BẢNG MÃ LỖI RICOH MP 6001, MP 7001, 8001

 

BẢNG MÃ LỖI RICOH MP 6001, MP 7001, 8001

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BẢNG MÃ HƯỚNG DẪN SỬA CHỮA (SC CODE) MÁY PHOTOCOPY
RICOH AFICIO MP 6001, RICOH AFICIO MP7001, RICOH AFICIO MP 8001.
SC Code NGUYÊN NHÂN KHẮC PHỤC
101 Exposure Lamp Error
At trigger on, the lamp was not detected on.
• SBU board defective • SIOB board defective • IPU board defective • BCU board defective • Exposure lamp defective • Lamp stabilizer defective • Lamp stabilizer harness damaged, disconnected • Standard white plate dirty, disconnected or has condensation • DF white belt dirty • DF glass dirty or has condensation • Scanner mirror dirty, out of position or has condensation • Lens dirty, out of position
120 Scanner home position error 1
The scanner HP sensor does not detect the OFF condition during initialization or copying.
• BCU, SIOB defective • Scanner motor defective • Scanner HP sensor defective. • Harness between BCU, SIOB, scanner motor disconnected. • Harness between scanner HP sensor and BCU disconnected. • Scanner wire, timing belt, pulley, or carriage installed incorrectly.
121 Scanner home position error 2
The scanner HP sensor does not detect the ON condition during initialization or copying.
• BCU, SIOB defective • Scanner motor defective • Scanner HP sensor defective • Harness between BCU, SIOB, scanner motor disconnected • Harness between scanner HP sensor and BCU disconnected • Scanner wire, timing belt, pulley or carriage installed incorrectly.
141 Black level detection error
The black level cannot be adjusted within the target during auto gain control.
• Harness between SBU – SIOB is disconnected. • Harness between SIOB – BCU is disconnected. • Defective SBU • Defective BCU
142 White level detection error
The white level cannot be adjusted to the second target level within the target during auto gain control.
• Dirty exposure lamp or optics section • SBU board defective • SIOB defective • IPU board defective • BCU board defective • Harnesses are disconnected. • Exposure lamp defective • Lamp stabilizer defective • Scanner motor defective
143 SBU auto gain error
The white level cannot be adjusted to the first target level within the target during auto gain control.
• SBU board defective • SIOB board defective • IPU board defective • BCU board defective • Scanner motor defective • Exposure lamp defective • Exposure lamp stabilizer defective • Harness between exposure lamp and lamp stabilizer is disconnected • Harness between lamp stabilizer – SIOB is disconnected • Harness between SBU - SIOB is disconnected • Harness between SIOB - BCU is disconnected • Harness between SBU – IPU is disconnected • Harness between IPU - BCU is disconnected • White plate is installed incorrectly or is dirty • Scanning mirrors of the exposure unit are dirty or out of position
144 SBU transmission error
After the SBU switches on, the BCU detects one of the following conditions on the SBU: • 1 s after power on, the SYDO signal does not go high, even after 1 retry. • 1 s after power on, the SYDO signal goes high, but the SBU ID could not be read after 3 attempts.
• SBU defective • SIOB defective • BCU defective • Harness between the SBU - SIOB is disconnected • Harness between the SIOB - BCU is disconnected • Harness between the SIOB – PSU is disconnected
161-001 IPU error
The error result of self-diagnostic by the ASIC on the BICU is detected.
• Defective BICU • Defective connection between BICU and SBU
161-002 IPU error
The machine detects an error during an access to the Ri.
• Defective BICU board
161-003 IPU error
The IPU fails to configure or initialize the DRAM.
• Defective BICU board
165 Copy data security unit error B829
The copy data security option is installed by not operating correctly.
• Copy data security card corrupted • The board is not installed or the board is defective
181 Inverter Fan Error
When the exposure lamp is triggered on, the inverter fan motor does not rotate.
• SIOB defective • BCU defective • Inverter fan motor defective • Harness between the inverter fan motor - SIOB is disconnected • Harness between the SIOB – BCU is disconnected • Harness between the SIOB – PSU is disconnected
182 Scanner Fan Error: Right Side
The fan located on the right side of the exposure unit is not rotating.
• Check the fan connections • Fan defective • Check SBU connection • SBU defective
185 CIS transmission error
Error caused during ASIC register's automatic initialization on the CIS, or during transmission between the CIS – DF.
• Harness between the CIS – DF is disconnected • CIS defective
186 CIS LED error
LED on the CIS causes error • During initializing, the ration of the average between leading-edge area and rearedge is beyond the permissible level (0.7 – 1.43). • During scanning, the shading data peak is under 32(8bit).
• Harness CN210 and CN220 on ADF are disconnected. • Otherwise, replace CIS.
187 CIS BK level error
The BK level scanned by CIS is abnormal. The BK level average of R, G or B is/are not from 2 to 62. 0 < Calibrated BK data level < 255(10bit).
• Turn off the machine. • Make sure CN210 and CN220 are connected firmly. • Turn on the machine.
188 CIS white level error
The shading data peak detected from the CIS is abnormal.
• CIS defective
189 CIS gray balance adjustment error
The adjustment error occurs during the test after adjusting the gray balance.
• CIS defective
195 Machine serial number error
The number registered for the machine serial number does not match.
1. Confirm the correct serial number of the machine in the specifications. Important: When SC195 occurs, the serial number must be input. Contact your technical supervisor.
202 Polygon mirror motor error 1: Timeout at ON
The polygon mirror motor unit did not enter "Ready" status within 20 sec. after the motor was turned on,
• The polygon mirror motor PCB connector is loose, broken, or defective • Polygon mirror motor PCB defective • Polygon mirror motor defective • IPU defective
203 Polygon mirror motor error 2: Timeout at OFF
The polygon mirror motor did not leave "Ready" within 3 sec. after the motor was switched off. (The XSCRDY signal did not go HIGH (inactive) within 3 sec.)
• The polygon mirror motor PCB connector is loose, broken, or defective • Polygon mirror motor PCB defective • Polygon mirror motor defective • IPU defective
204 Polygon mirror motor error 3: XSCRDY signal error
The polygon mirror motor "Ready" signal goes inactive (HIGH) while images are being produced or the synchronization signal is being output.
• Polygon mirror motor PCB connector loose, broken, defective • Polygon mirror motor PCB defective • Polygon mirror motor defective
205 Polygon mirror motor error 4: Unstable timeout
The "Ready" signal (XSCRDY) was detected as unstable for more than 20 sec. while the polygon mirror motor was operating at normal speed.
• Electrical noise on the line with the motor signals • Polygon mirror motor PCB connector loose, broken, defective • Polygon mirror motor PCB defective • IPU defective
220 Laser synchronization detection error
The 1st laser synchronization detection unit could not detect the line synchronization signal (DETP0) within 500 ms while the polygon mirror motor was operating at normal speed. Note: The unit polls for the signal every 50 ms. This SC is issued after the 10th attempt fails to detect the signal.
• Laser synchronization board connector loose, broken, defective • Laser synchronization detection board is not installed correctly (out of alignment) • Laser synchronization board defective • IPU defective  
221 Laser Synchronization Detector Error: K Leading Edge (Not LD0)
While the polygon motor is rotating normally, no synchronizing detection signal is output for black, leading edge for any LD other than LD0.
• Harness between the laser synchronizing detector and I/F unit is disconnected, defective • Check all connections between LD unit, LDB, IPU • LD unit • LDB defective • IPU defective  
230 FGATE ON error: K
The PFGATE ON signal does not assert within 5 seconds after processing the image in normal job or MUSIC for start position [K].
• Defective ASIC • Poor connection between controller and BICU. • Defective BICU  
231 FGATE OFF error: K
• The PFGATE ON signal still asserts within 5 seconds after processing the image in normal job or MUSIC for end position [K]. • The PFGATE ON signal still asserts when the next job starts.
See SC 230 for troubleshooting details.  
240 LD error: K
The BICU detects LDB error a few times consecutively when LDB unit turns on after LDB initialization.
• Worn-out LD • Disconnected or broken harness of the LD  
300 Charge corona output error
The feedback voltage from the charge corona unit is detected too high 9 times.
• Charge corona power pack defective • Charge corona harness disconnected • Poor charge corona unit connection  
303 Charge corona grid leak
When the high voltage is output to the corona grid, feedback voltage exceeds the prescribed value 9 times.
• Charge corona power pack defective • Charge corona harness disconnected • Poor charge corona unit connection  
304 Charge grid circuit open
When high voltage goes to the corona grid, feedback voltage is more than the set value 9 times. This feedback voltage is used to update PWM for output control.
• Charge corona unit defective or disconnected • Charge corona harness defective • Charge corona power pack is defective.  
305 Charge corona wire cleaner error 1
The charge cleaner pad does not arrive at the home position: Motor locked within 4 s after switching on, or does not lock within 30 s. Motor locked within 10 s after reversing, or does not lock within 30 s.
• Charge corona wire cleaner motor defective • Motor driver defective  
306 Charge corona wire cleaner error 2
Charge corona motor is disconnected. (The current at the charge corona motor is detected less than 83 mA.)
• Charge corona wire cleaner motor connector is defective or disconnected.  
310 Potential sensor calibration error 1
During drum potential sensor calibration, the drum potential sensor output voltage does not meet specification when test voltages (–100V, –800V) are applied to the drum.
• Potential sensor defective • Potential sensor harness disconnected • Potential sensor connector defective or disconnected • IOB defective • OPC connector defective • Development power pack defective  
311 Potential sensor calibration error 2
During drum potential sensor calibration, the drum potential sensor output voltage does not meet specification when test voltages (–100V, –800V) are applied to the drum.
• Potential sensor defective • Potential sensor harness disconnected • Potential sensor connector defective or disconnected • IOB defective • OPC connector defective • Development power pack defective  
312 Potential sensor calibration error 3
During drum potential sensor calibration when adjusting the drum potential (VD), the drum potential sensor detects VD higher than VG (grid voltage). -or- When adjusting VD (drum surface potential of black areas after exposure), even after 5 adjustments of VG (charge corona grid potential), VD could not be set in the target range (–800±10 + VL + 130V)
• Potential sensor defective • Potential sensor harness disconnected • Potential sensor connector defective or disconnected • IOB defective • OPC connector defective • Development power pack defective • Charge corona unit worn out, dirty  
314 Potential sensor calibration error 4
During drum potential sensor calibration when adjusting the drum potential (VH) for LD power adjustment, the first time the VH pattern is made, the drum potential sensor detects that VH is more than 500V: VH > –500 + VL + 130 V
• Potential sensor defective • Potential sensor harness disconnected • Potential sensor connector defective or disconnected • IOB defective • OPC connector defective • LD defective  
315 Potential sensor calibration error 5
During drum potential sensor calibration, when -100V is applied to the drum, the output value is out of the prescribed range.
• Potential sensor defective • Potential sensor harness disconnected • Potential sensor connector defective or disconnected • IOB defective • OPC connector defective • Development power pack defective  
316 Potential sensor calibration error 6
During drum potential sensor calibration, when -800V is applied to the drum, the output value is out of the prescribed range.
• Potential sensor defective • Potential sensor harness disconnected • Potential sensor connector defective or disconnected • IOB defective • OPC connector defective • Development power pack defective  
317 Potential sensor calibration error 7
During drum potential sensor calibration, when VL is adjusted, the pattern surface potential VL pattern is not within range 0V to -400V. (VL is the potential after exposing a white pattern.)
• Potential sensor defective • Potential sensor harness disconnected • Potential sensor connector defective or disconnected • IOB defective • OPC connector defective • Charge corona power pack defective • Development power pack defective  
340 TD sensor output error
TD sensor output voltage (Vt), measured during each copy cycle, is detected 10 times at one of the following levels: Vt = 0.5 volts or lower Vt = 4.0 volts or higher
• TD sensor defective • TD sensor harness disconnected • TD sensor connector disconnected or defective • IOB defective • Toner bottle motor defective Note: When the TD sensor is defective, the toner supply is controlled using pixel count and the ID sensor.  
341 TD sensor adjustment error 1
During the TD sensor auto adjustment, the TD sensor output voltage (Vt) is 2.5 volts or higher even though the control voltage is set to the minimum value (PWM = 0). When this error occurs, SP2-906-1 reads 0.00V. Note: This SC is released only after correct adjustment of the TD sensor has been achieved. Switching the machine off and on will cancel the SC display, but does not release ID sensor toner supply.
• TD sensor defective • TD sensor harness disconnected • TD sensor connector disconnected or defective • IOB defective • Toner bottle motor defective Note: When the TD sensor is defective, the toner supply is controlled using pixel count and the ID sensor.  
342 TD sensor adjustment error 2
During the TD sensor auto adjustment, the TD sensor output voltage (Vt) does not enter the target range (3.0 ± 0.1V) within 20 s. When this error occurs, the display of SP2-906-1 reads 0.00V. Note: This SC is released only after correct adjustment of the TD sensor has been achieved. Switching the machine off and on will cancel the SC display, but does not release ID sensor toner supply.
• TD sensor defective • TD sensor harness disconnected • TD sensor connector disconnected or defective • IOB defective  
345 Development output abnormal
The high voltage applied to the development unit is detected 10 times higher than the upper limit (45%) of PWM.
• Development power pack defective • Development bias leak due to poor connection, defective connector  
350 ID sensor error 1
One of the following ID sensor output voltages was detected twice consecutively when checking the ID sensor pattern. Vsp greater than or equals 2.5V Vsg less than 2.5 Vsp = 0V Vsg = 0
• ID sensor defective • ID sensor harness disconnected • ID sensor connector defective • IOB defective • ID sensor pattern not written correctly • Incorrect image density • Charge power pack defective • ID sensor dirty  
351 ID sensor error 2
The ID sensor output voltage is 5.0V and the PWM signal input to the ID sensor is 0 when checking the ID sensor pattern.
• ID sensor defective • ID sensor harness disconnected • ID sensor connector defective • IOB defective • ID sensor pattern not written correctly • Incorrect image density • Charge power pack defective • ID sensor dirty  
352 ID sensor error 3
For 2 s during the ID sensor pattern check, the ID sensor pattern edge voltage is not 2.5V or the pattern edge is not detected within 800 ms.
• ID sensor defective • ID sensor harness disconnected • ID sensor connector defective • IOB defective • ID sensor pattern not written correctly • Incorrect image density • Charge power pack defective • ID sensor dirty  
353 ID sensor error 4
One of the following ID sensor output voltages is detected at ID sensor initialization. Vsg less than 4.0V when the maximum PWM input (255) is applied to the ID sensor. Vsg greater than or equal to 4.0V when the minimum PWM input (0) is applied to the ID sensor.
• ID sensor defective • ID sensor harness disconnected • ID sensor connector defective • IOB defective • ID sensor pattern not written correctly • Incorrect image density • Charge power pack defective • ID sensor dirty  
354 ID sensor error 5
Vsg falls out of the adjustment target (4.0 ±0.2V) during Vsg checking.
• ID sensor defective • ID sensor harness disconnected • ID sensor connector defective • IOB defective • ID sensor pattern not written correctly • Incorrect image density • Charge power pack defective • ID sensor dirty  
355 ID sensor error 6
The Vp value, which measures the reflectivity of the ID sensor pattern, was not in the range of -70V to -400V.
• Potential sensor defective • Potential sensor harness defective • Potential sensor disconnected • IOB defective • OPC unit connector defective • Charge corona power pack defective • Charge corona wire dirty, broken  
401 Transfer output abnormal
When the transfer is output, the feedback voltage remains higher than 4V for 60 ms.
• Transfer power pack defective • Transfer current terminal, transfer power pack disconnected, damaged connector  
402 Transfer output abnormal release detection
When the transfer is output, there is hardly any feedback voltage within 60 ms even with application of 24% PWM.
• Transfer power pack defective • Transfer unit harness disconnected • Transfer connector loose, defective  
430 Quenching lamp error
At the completion of auto process control initialization, the potential of the drum surface detected by the potential sensor is more than -400V, the prescribed value.
• Quenching lamp defective • Quenching lamp harness disconnected • Quenching lamp connector loose, defective  
440 Main motor lock
The main motor lock signal remains low for 2 seconds while the main motor is on.
• Drive mechanism overloaded • Motor driver board defective  
441 Development motor lock
The development motor lock signal remains high for 2 seconds while the development motor is on.
• Drive mechanism overloaded due to toner clumping in the wasted toner path • Motor driver board defective  
490 Main fan error
The main fan motor lock signal goes high for 5 s while the fan is on.
• Fan motor overloaded due to obstruction • Fan connector disconnected  
495 Toner recycling unit error
Encoder pulse does not change for 3 s after the main motor switches on.
• Waste toner transport has stopped due to motor overload • Toner end sensor detective, disconnected  
496 Toner collection bottle error
The toner collection bottle set switch remains off when the front door is closed.
• No toner collection bottle set • Poor connection of the switch connector  
497 Toner collection motor error
The toner collection motor connector set signal remains off for 1 s.
• Toner pump motor defective • Motor connector loose, disconnected  
501 Tray 1 lift malfunction
• The lift sensor is not activated within 10 s after the tray lift motor starts lifting the bottom plate. • When the tray lowers, the tray lift sensor does not go off within 1.5 s. • Tray overload detected when the tray is set. • The lower limit sensor of the LCT does not detect the lower limit within 10 s.
• Tray lift motor defective, disconnected • Paper or other obstacle trapped between tray and motor • Pick-up solenoid disconnected, blocked by an obstacle • Too much paper loaded in tray Note • At first, the machine displays a message asking the operator to reset the tray. • This SC will not display until the operator has pulled the tray out and pushed it in 3 times. • If the operator turns the machine off/on before the 3rd opening and closing of the tray, the 3-count is reset.  
502 Tray 2 lift malfunction
• The lift sensor is not activated within 10 s after the tray lift motor starts lifting the bottom plate. • When the tray lowers, the tray lift sensor does not go off within 1.5 s. • Tray overload detected when the tray is set.
• Tray lift motor defective or disconnected • Paper or other obstacle trapped between tray and motor • Pick-up solenoid disconnected or blocked by an obstacle • Too much paper loaded in tray Note • At first, the machine displays a message asking the operator to reset the tray. • This SC will not display until the operator has pulled the tray out and pushed it in 3 times. • If the operator turns the machine off/on before the 3rd opening and closing of the tray, the 3-count is reset.  
503 Tray 3 lift malfunction
• The lift sensor is not activated within 10 s after the tray lift motor starts lifting the bottom plate. • When the tray lowers, the tray lift sensor does not go off within 1.5 s. • Tray overload detected when the tray is set.
• Tray lift motor defective or disconnected • Paper or other obstacle trapped between tray and motor • Pick-up solenoid disconnected or blocked by an obstacle • Too much paper loaded in tray Note • At first, the machine displays a message asking the operator to reset the tray. • This SC will not display until the operator has pulled the tray out and pushed it in 3 times. • If the operator turns the machine off/on before the 3rd opening and closing of the tray, the 3-count is reset.  
504 Tray 4 lift malfunction
• The lift sensor is not activated within 10 s after the tray lift motor starts lifting the bottom plate. • When the tray lowers, the tray lift sensor does not go off within 1.5 s. • Tray overload detected when the tray is set.
• Tray lift motor defective or disconnected • Paper or other obstacle trapped between tray and motor • Pick-up solenoid disconnected or blocked by an obstacle • Too much paper loaded in tray Note • At first, the machine displays a message asking the operator to reset the tray. • This SC will not display until the operator has pulled the tray out and pushed it in 3 times. • If the operator turns the machine off/on before the 3rd opening and closing of the tray, the 3-count is reset.  
507 LCT feed motor malfunction
One of the following conditions is detected: • The LD signal from the feed motor is detected abnormal for 50 ms after the motor switches on. • At power on, the motor is detected loose or disconnected.
• Feed motor defective • Feed motor connector disconnected • Obstacle interfering with mechanical movement of motor  
510 LCT tray malfunction
One of the following conditions is detected: • When the bottom plate is lifted, the upper limit sensor does not come on for 18 s. • When the bottom plate is
lowered, the lower limit sensor does not come on for 18 s.
• After lift begins, the upper limit sensor does not switch on before the pick-up solenoid switches on. • The paper end sensor switches on during lift and the upper limit
sensor does not switch on for 2.5 s, and a message prompts user to reset paper.
• Tray lift motor defective or connector disconnected • Lift sensor defective or disconnected • Pick-up solenoid defective or disconnected • Paper end sensor defective  
515 Tandem rear fence motor error
One of the conditions is detected: • The return sensor does not switch on within 10 s. after the rear fence motor switches on. • The HP sensor does not switch on 10 s. after the rear fence motor switches on. • The HP sensor and return sensor switch on at the same time.
• Rear fence motor defective or poor connection • Paper or other obstacle interfering with operation of the sensors • Paper or other obstacle trapped between tray and motor • Motor mechanical overload due to obstruction • Return sensor or HP sensor defective or dirty Note • This problem will not issue the SC code on the operation panel. • The machine will prompt the operator to reset tray by opening and closing it. • If the problem persists, the machine will display again and the tray cannot be used.  
520 Duplex jogger motor error 1
When the jogger fence moves to the home position, the jogger HP sensor does not turn on even if the jogger fence motor has moved the jogger fence 153.5 mm.
• Paper or other obstacle has jammed mechanism • Sensor connector disconnected or defective • Sensor defective  
521 Duplex jogger motor error 2
When the jogger fence moves from the home position, the jogger fence HP sensor does not turn off even if the jogger motor has moved the jogger fence 153.5 mm.
• Paper or other obstacle has jammed mechanism • Sensor connector disconnected or defective • Sensor defective  
531 Fusing exit motor error
The PLL lock signal was low for 2 s during motor operation.
• Motor lock caused by physical overload • Motor drive PCB defective  
541 Fusing thermistor open
The fusing temperature detected by the center thermistor was below 0°C for 7 s.
• Thermistor open • Thermistor connector defective • Thermistor damaged, or out of position • Fusing temperature –15% less than the standard input voltage  
542 Fusing temperature warm-up error
One of the following occurred: • After power on, or after closing the front door, the hot roller does not reach the 100°C control temperature within 25 s. • 5 sec. after temperature rise started, temperature remained below 21°C after 5 samplings. • Fusing unit did not attain reload temperature within 48 s. of the start of fusing temperature control.
• Fusing lamp disconnected • Thermistor warped, out of position • Thermostat not operating  
543 Fusing lamp overheat error 1 (software)
Central thermistor detected a temperature of 240°C at the center of the hot roller. Fusing temperature control software error
• PSU defective • IOB defective • BICU defective  
544 Fusing lamp overheat error 1 (hardware)
The center thermistor or an end thermistor detected a temperature of 250°C on the hot roller.
• PSU defective • IOB defective • BICU defective  
545 Fusing lamp overheat error 2
After hot roller reaches warmup temperature, the fusing lamps remained on at full capacity for 11 samplings (1.8 s. duration) while the hot roller was not rotating.
• Thermistor damaged, or out of position • Fusing lamp disconnected  
547 Zero cross signal malfunction
One of the following conditions is detected 10 times: • When the main switch is on, the frequency measured by the number of zero cross signals for 500 ms is larger than 66Hz or smaller than 45 Hz. • The interval between one zero cross signal and the next is 7.5 ms or shorter 3 times consecutively for 500 ms.
• Noise on the ac power line  
551 Fusing thermistor error 1
The end thermistor (contact type) was less than 0C (32F) for more than 7 seconds.
• Thermistor disconnected • Thermistor connector defective  
552 Fusing thermistor error 2
The end thermistor (contact type) could not detect: • 100°C 25 seconds after the start of the warmup cycle. • A change in temperature more than than 16 degrees for 5 seconds. • The reload temperature with 56 seconds after the start of the fusing temperature control cycle.
• Fusing lamp disconnected • Thermistor bent, damaged • Thermistor position incorrect  
553 Fusing thermistor error 3
The end thermistor (contact type) was at 240°C (464°F) for more than 1 second. The temperature is read 10 times every second. (at 0.1 s intervals).
• PSU defective • IOB control board defective • BICU control board defective  
555 Fusing lamp error
After the start of the warmup cycle, a fusing lamp was at full power for 1.8 s but the hot roller did not turn.
• Thermistor bent, out of position • Fusing lamp disconnected • Circuit breaker opened  
557 Zero cross signal error
High frequency noise was detected on the powe r line.
• No action required. The SC code is logged and the operation of the machine is not affected.  
559 Fusing jam: 3 counts
At the fusing exit sensor the paper was detected late for three pulse counts (lag error), and SP1159 was on.
• If this SC occurs, the machine cannot be used until the service technician cancels the SC code. • This SC occurs only if SP1159 has been set to "1" (On). (Default: 0 (Off)).  
569 Fusing pressure release motor error
During copying, the HP sensor could not detect the actuator, tried again 3 times and could not detect.
• Motor lock because of too much load • Motor driver defective • HP sensor defective, disconnected, connector defective, harness damaged  
590 Toner collection motor error
The toner collection motor sensor output does not change for 3 s while the toner collection motor is on.
• Motor lock due to obstruction • Motor driver board defective • Motor connection loose, defective • Toner collection motor sensor disconnected, sensor defective • Rotational transmission shaft (o6 x 30) missing  
599 1-bin Exit Motor Error (Japan Only)
The transport lock sensor output does not change within 300 ms after the motor switches on.
• Motor overload • Motor driver defective  
620 BICU/ADF communication/timeout error
After 1 data frame is sent to the finisher MBX, an ACK signal is not received within 100 ms, and is not received after 3 retries
• Serial line connection unstable • External noise on the line  
621 BICU/Finisher communication/break error
During communication with the finisher MBX, the BICU received a break (Low) signal from the finisher.
• Serial line connection unstable • External noise on the line  
623 BICU/Tray 1 to 4 communication/timeout error
After 1 data frame is sent to the trays, an ACK signal is not received within 100 ms, and is not received after 3 retries.
• Serial line connection unstable • External noise on the line  
625 VBCU-DTMB (DMC1) communication error
Communication between the VBCU and DMC (main) was interrupted. An ACK/NAK signal was not received within 100 ms after a data frame was sent and three retries failed.
• Check the DTMB harness connections at the DTMB and VBCU • DTMB defective • PSU defective • VBCU defective • 5V power supply defective  
626 BICU, LCT communication/timeout error
After 1 data frame is sent to the LCT, an ACK signal is not received within 100 ms, and is not received after 3 retries.
• Serial line connection unstable • External noise on the line  
627 BICU, LCT communication/break reception error
During communication with the LCT, the BICU received a break (Low) signal.
• Serial line connection unstable • External noise on the line  
628 Fan folder communication error 1
The main machine issued a timeout three failed attempts to communicate with the fan folder unit. Possible causes: • There was no answer from the fan folder within 100 ms in response to data sent from the main machine. • The fan folder unit was switched off while folding was in progress. • The main machine received an illegal command from the fan folder. • 60 sec. after the main machine fed the document to the fan folder, the fan folder failed to notify the main machine that the folded document has exited the fan folder.
• Fan folder not connected to main machine • Fan folder main control unit connector loose, broken, defective • Fan folder main control unit defective  
629 Fan folder communication error 2: Cross Folder
There was no answer from the fan folder within 100 ms in response to data sent from the main machine.
• Fan folder not connected to main machine • Fan folder main control unit connector loose, broken, defective • Fan folder main control unit defective  
632 Charge Unit Device Error 1    
633 Charge Unit Device Error 2    
634 Charge Unit Device Error 3    
635 Charge Unit Device Error 4    
636-01 SD Card Error: Expanded authentication module error
There is no expanded authentication module in the machine. The SD card or the file of the expanded authentication module is broken. There is no DESS module in the machine.
• No expanded authentication module • Defective SD card • No DESS module  
636-02 SD Card Error: Version error
The version of the expanded authentication module is not correct.
• Incorrect module version  
641 Engine-to-controller communication error
The controller sent a frame to the main machine engine but there was no response as demanded by RAPI protocol. The frame was sent 3 times at 100 ms intervals. This SC was issued after the 3rd attempt failed.
• Examine the connection between the controller and the engine board. • Replace the engine board if the error is frequent.  
650 NRS Modem Communication Error
One of the following factors could be the cause of this error: • In the User Tools, check the settings for the dial-up user name and dial-up password. • Modem has been disconnected. • Modem board disconnected.
Check the following for a machine that is using Cumin (NRS modem): • An error was returned during the dialup connection • A network was detected at startup • At startup, the machine detected that the NIB was disabled, or did not detect a modem board  
651 Illegal Remote Service Dial-up
An expected error occurred when Cumin-M dialed up the NRS Center.
• Software bug • No action is required because only the count is logged  
670 Engine Startup Error
At power on or after the machine leaves the energy conservation mode: • ENGRDY signal does not assert • IPURDY signal does not assert After power on and the prescribed time has elapsed: • No EC response from the engine • No PC response from the engine • No SC response from the engine During machine operation mode: • Write to Rapi drive failure (could not locate destination on the PCI) • After the /ENGRDY signal asserts with no effect.
• BICU O Controller Board disconnected • BICU board defective • Controller board defective • Mother board defective • Software error; switch off/on, if that fails, change the engine firmware • PSU-E or PSU-C defective  
671 Illegal Engine Board
An illegal engine board was detected by the firmware at power on.
• Replace BICU  
672 Controller Startup Error
The line between the controller board and the operation panel does not open correctly when the machine is powered on, or after the machine was powered on communication between the controller and operation panel is suspended. The controller board and operation panel could not exchange the handshake (FDH) and acknowledge (FEH) signals within 15 s of the operation panel reset after power on, or after 2 retries there was no response to the transmission line confirmation command issued every 30 s from the operation panel to the controller board.
• Controller board defective • Controller board installed incorrectly • Operation panel harness connection loose or incorrect  
701 ADF bottom plate motor error
• Bottom plate position sensor does not detect the plate after the bottom plate lift motor switches on to lift the plate. • Bottom plate HP sensor does not detect the plate after the bottom plate motor reverses to lower the plate.
• Bottom plate position sensor defective • Bottom plate HP sensor defective • Bottom plate motor defective • ADF main board defective  
705 ARDF bottom plate lift motor
The bottom plate HP sensor does not detect the home position of the bottom plate after the bottom plate lift motor switches on and lowers the bottom plate. The bottom plate position sensor does not detect the position of the plate after the lift motor switches on and raises the bottom plate.
• ARDF feed motor disconnected, defective • Bottom plate HP sensor disconnected, defective • ARDF main board defective  
720 Finisher transport motor error
The encoder pulse of the finisher transport motor does not change state (high/low) within 600 ms and does not change after 2 retries.
• Finisher transport motor defective • Transport motor harness disconnected, or defective • Finisher main board defective  
721 Finisher jogger motor error
• The finisher jogger HP sensor remains de-activated for more 1,000 pulses when returning to home position. • The finisher jogger HP sensor remains activated for more than 1,000 pulses when moving away from home position
• Jogger HP sensor defective • Jogger mechanism overload • Jogger motor defective (not rotating) • Finisher main board defective • Harness disconnected or defectiv  
724 Finisher staple hammer motor error (D460)
The staple hammer motor did not return to the home position within the prescribed time (340 ms).
• Staple hammer HP sensor loose, broken, defective • Electrical overload on the stapler drive PCB elect • Staple hammer motor defective • Finisher main board defective  
725 Exit guide motor
The status of the exit guide sensor did not change at the prescribed time during operation of the exit guide.
Exit guide open sensor loose, broken, defective. Exit guide motor defective Finisher main board defective  
726 Front shift jogger motor error (B703)
The sides fences do not retract within the prescribed time after the shift jogger motor switches on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Shift jogger motor disconnected, defective • Shift jogger motor overloaded due to obstruction • Shift jogger HP sensor disconnected, defective  
727 Rear shift jogger motor (B703)
The side fences do not retract within the prescribed time after the shift jogger motor switches on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
Motor harness disconnected, loose, defective
Motor defective
Motor overload
HP defective
 
728 Shift jogger retraction motor error (B703)
The side fences do not retract within the prescribed time after the retraction motor switches on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Motor harness disconnected, loose, defective • Motor defective • Motor overload • HP defective  
740 Finisher corner stapler motor error
The stapler motor does not switch off within the prescribed time after operating. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Staple jam • Number of sheets in the stack exceeds the limit for stapling • Stapler motor disconnected, defective  
741 Finisher corner stapler rotation motor error
The stapler does not return to its home position within the specified time after stapling. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Stapler rotation motor disconnected, defective • Stapler rotation motor overloaded due to obstruction • Stapler rotation HP sensor disconnected, defective  
742 Finisher stapler movement motor error
The stapler HP sensor is not activated within the specified time after the stapler motor turned on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Stapler movement motor disconnected, defective • Stapler movement motor overloaded due to obstruction • Stapler HP sensor disconnected, defective  
743 Booklet stapler motor error 1
The front stapler unit saddle-stitch motor does not start operation within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Front motor disconnected, defective • Front motor overloaded due to obstruction  
744 Booklet stapler motor error 2
The rear stapler unit saddle-stitch motor does not start operation within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Rear motor disconnected, defective • Rear motor overloaded due to obstruction  
745 Feed-Out Belt Motor Error (D373/B830)
The stack feed-out belt HP sensor does not activate within the specified time after the stack feed-out belt motor turns on. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
If the motor is operating 1. Stack feed-out HP sensor harness loose, broken, defective 2. Stack feed-out HP sensor defective If the motor is not operating: 1. Feed-out motor blocked by an obstruction 2. Feed-out motor harness loose, broken, defective 3. Feed-out motor defective 4. Booklet finisher main board defective  
746 Stack Plate Motor Error 1: Front Motor (B830)
The stack plate HP sensor (front) does not activate within 500 ms after the motor turns on. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
If the motor is operating 1. Front stack plate HP sensor harness loose, broken, defective 2. Front stack plate HP sensor defective If the motor is not operating: 1. Motor blocked by an obstruction 2. Motor harness loose, broken, defective 3. Motor defective 4. Booklet finisher main board defective  
747 Stack Plate Motor Error 2: Center Motor (B830)
The stack plate HP sensor (center) does not activate within 500 ms after the motor turns on. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
If the motor is operating 1. Center stack plate HP sensor harness loose, broken, defective 2. Center stack plate HP sensor defective If the motor is not operating: 1. Motor blocked by an obstruction 2. Motor harness loose, broken, defective 3. Motor defective 4. Booklet finisher main board defective  
748 Stack Plate Motor Error 3: Rear Motor (B830)
The stack plate HP sensor (rear) does not activate within 500 ms after the motor turns on. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
If the motor is operating 1. Rear stack plate HP sensor harness loose, broken, defective 2. Rear stack plate HP sensor defective If the motor is not operating: 1. Motor blocked by an obstruction 2. Motor harness loose, broken, defective 3. Motor defective 4. Booklet finisher main board defective  
750 Finisher tray 1 (upper tray lift) motor error
The upper tray paper height sensor does not change its status with the specified time after the tray raises or lowers. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Tray lift motor disconnected, defective • Upper tray paper height sensor disconnected, defective • Finisher main board connection to motor loose • Finisher main board defective  
753 Return roller motor error
Occurs during the operation of the lower tray pressure motor.
• Motor harness disconnected, loose, defective • Motor overloaded • Home position sensor harness disconnected, loose, defective • Home position defective  
755 Shift Motor Error: 3K Finisher (B830)
The shift tray half-turn sensors: Failed twice to detect the shift tray at the home position at the specified time. -or- Failed twice to detect that the shift tray had left the home position.
If the motor is operating 1. Half-turn sensor 1, 2 harnesses loose, broken, defective 2. One of the half-turn sensors is defective If the motor is not operating: 1. Motor blocked by an obstruction 2. Motor harness loose, broken, defective 3. Motor defective 4. Finisher main board defective  
760 Finisher punch motor error
The punch HP sensor is not activated within the specified time after the punch motor turned on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Punch HP sensor disconnected, defective • Punch motor disconnected, defective • Punch motor overload due to obstruction  
761 Finisher folder plate motor error
The folder plate moves but is not detected at the home position within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Folder plate HP sensor disconnected, defective • Folder plate motor disconnected, defective • Folder plate motor overloaded due to obstruction  
763 Punch movement motor error
Occurs during operation of the punch unit. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Motor harness disconnected, loose, defective • Motor defective  
764 Paper position sensor slide motor error
Occurs during operation of the punch unit. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Motor harness disconnected, loose, defective • Motor defective  
765 Folding unit bottom fence lift motor
The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Motor harness disconnected, loose, defective • Motor defective  
766 Clamp roller retraction motor error
The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Motor harness disconnected, loose, defective • Motor defective  
767 Stack junction gate motor error
Occurs during operation of the punch unit. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Motor harness disconnected, loose, defective • Motor overload • Motor defective  
770 Cover interposer tray bottom plate motor error
After the motor starts to raise the bottom plate, the bottom plate position sensor does not detect the plate at the specified time (3 s). After the motor starts to lower the bottom plate, the bottom plate HP sensor does not detect the bottom plate.
• Bottom plate position sensor, disconnected, defective • Bottom plate HP sensor disconnected, defective  
775 Jogger Top Fence Motor: 3K Finisher B830
The top fence HP sensor detected that: The top fence did not arrive at the home position within the specified number of pulses. -or- The top fence failed to leave the home position within the specified number of pulses.
If the jogger top fence motor is operating: 1. Top fence HP sensor harness loose, broken, defective 2. Top fence HP sensor defective If the jogger top fence motor is not operating: 1. Motor blocked by an obstruction 2. Motor harness loose, broken, defective 3. Motor defective 4. Finisher main board defective  
776 Jogger Bottom Fence Motor (B830)
The bottom fence HP sensor detected that: The bottom fence did not arrive at the home position at the specified time. -or- The bottom fence failed to leave the home position at the specified time.
If the jogger bottom fence motor is operating: 1. Bottom fence HP sensor harness loose, broken, defective 2. Bottom fence HP sensor defective If the jogger bottom fence motor is not operating: 1. Motor blocked by an obstruction 2. Motor harness loose, broken, defective 3. Motor defective 4. Finisher main board defective  
778-1 Horizontal Transport Motor Error Multi Folder (D454)
The motor drive PCB detected an error at the motor.
• Motor harness or connector loose, broken, defective • Motor or motor drive board defective  
778-2 Top Tray Exit Motor Multi Folder (D454)
The motor drive PCB detected an error at the motor.
• Motor harness or connector loose, broken, defective • Motor or motor drive board defective  
778-3 Top Tray JG Motor Multi Folder (D454)
The top tray JG HP sensor did not detect the top tray junction gate at (or out of) its home position. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• Top tray JG HP sensor dirty • Sensor harness or connector loose, broken, defective • Top tray JG motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
778-4 Entrance JG Motor Multi Folder (D454)
The entrance junction gate HP sensor did not detect the entrance junction gate at (or out of) its home position. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• Entrance JG HP sensor dirty • Sensor harness or connector loose, broken, defective • Entrance JG motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
779 Z-fold stopper 1 Motor error
The bottom fence HP sensor detected that: The bottom fence did not arrive at the home position at the specified time. -or- The bottom fence failed to leave the home position at the specified time.
• Motor overcurrent • Motor driver overheat • Motor harness loose  
780 Z-Fold feed motor error
The feed motor does not attain the prescribed speed within the specified time.
• Feed motor disconnected, defective • Feed motor overloaded due to obstruction • Feed motor lock  
781 Z-Fold lower stopper motor
The lower stopper motor does not attain the prescribed speed within the specified time.
• Lower stopper motor disconnected, defective • Lower stopper motor overloaded due to obstruction • Lower stopper HP sensor disconnected, defective  
782 Z-Fold upper stopper motor
The upper stopper was not detected at the home position after the motor remained on long enough to move it 128.7 mm.
• Upper stopper motor disconnected, defective • Upper stopper motor overloaded due to obstruction • Upper stopper HP sensor disconnected, defective  
783-1 2nd Stopper Motor Error Multi Folder (D454)
The 2nd stopper HP sensor did not detect the 2nd stopper in (or out of) its home position within the prescribed time. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• 2nd stopper HP sensor dirty • Sensor harness or connector loose, broken, defective • 2nd stopper motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
783-10 Fold Plate Motor Error Multi Folder (D454)
The fold plate HP sensor did not detect the fold plate in (or out of) its home position within the prescribed time. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• Fold plate HP sensor dirty • Sensor harness or connector loose, broken, defective • Fold plate motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
783-11 Jogger Fence Motor Multi Folder (D454)
The jogger fence HP sensor did not detect the jogger fence in (or out of) its home position within the prescribed time. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• Jogger fence HP sensor dirty • Sensor harness or connector loose, broken, defective • Jogger fence motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
783-12 Positioning Roller Motor Error Multi Folder (D454)
The positioning roller HP sensor did not detect the positioning roller in (or out of) its home position within the prescribed time. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• Positioning roller HP sensor dirty • Sensor harness or connector loose, broken, defective • Positioning roller motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
783-13 FM2 Direct-Send JG Motor Multi Folder (D454)
The direct-send JG HP sensor did not detect the direct-send JG in (or out of) its home position within the prescribed time. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• FM2 direct-send JG HP sensor dirty • Sensor harness or connector loose, broken, defective • FM2 direct-send JG motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
783-14 FM6 Pawl Motor Multi Folder (D454)
The FM6 pawl HP sensor did not detect the FM6 pawl in (or out of) its home position. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• FM6 pawl HP sensor dirty • Sensor harness or connector loose, broken, defective • FM6 pawl motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
783-2 3rd Stopper Motor Error Multi Folder (D454)
The 3rd stopper HP sensor did not detect the 3rd stopper in (or out of) its home position within the prescribed time. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• 3rd stopper HP sensor dirty • Sensor harness or connector loose, broken, defective • 3rd stopper motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
783-3 1st Fold Motor Error Multi Folder (D454)
The motor drive PCB detected an error at the motor.
• Motor harness or connector loose, broken, defective • Motor or motor drive board defective  
783-4 2nd Fold Motor Error Multi Folder (D454)
The motor drive PCB detected an error at the motor.
• Motor harness or connector loose, broken, defective • Motor or motor drive board defective  
783-5 Crease Motor Error Multi Folder (D454)
The motor drive PCB detected an error at the motor.
• Motor harness or connector loose, broken, defective • Motor or motor drive board defective  
783-6 Dynamic Roller Transport Motor Error Multi Folder (D454)
The motor drive PCB detected an error at the motor.
• Motor harness or connector loose, broken, defective • Motor or motor drive board defective  
783-7 Reg. Roller Transport Motor Error Multi Folder (D454)
The motor drive PCB detected an error at the motor.
• Motor harness or connector loose, broken, defective • Motor or motor drive board defective  
783-8 Dynamic Roller Lift Motor Error Multi Folder (D454)
The dynamic roller HP sensor did not detect the dynamic roller in (or out of) its home position within the prescribed time. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• Dynamic roller HP sensor dirty • Sensor harness or connector loose, broken, defective • Dynamic roller lift motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
783-9 Registration Roller Release Motor Error Multi Folder (D454)
The registration roller HP sensor did not detect the registration roller in (or out of) its home position within the prescribed time. The 1st occurrence causes a jam, and the 2nd occurrence causes this SC code.
• Registration roller HP sensor dirty • Sensor harness or connector loose, broken, defective • Registration roller release motor harness or connector loose, broken, defective • Sensor defective • Motor or motor drive board defective  
784 Z-fold timing unit fold timing sensor adjustment error
The A/D (Digital/ Analog) input value did not change even after
the D/A (Digital/ Analog) output value changed.
• Fold timing sensor connector loose, broken, defective • Fold timing sensor defective • Fold timing sensor, mylar covered with paper dust • Mylar disconnected.  
785 Z-fold leading edge sensor adjustment error
The A/D input value did not change even after the D/A output value changed.
• Leading edge sensor connector loose, broken, defective • Leading edge sensor defective • Leading edge sensor, mylar covered with paper dust • Mylar disconnected.  
786 Z-fold EEPROM error
The write operation to the Z-folding EEPROM failed after 2 attempts
• EEPROM defective  
789 Z-fold top tray exit motor error
The motor driver detects an error.
• Motor overcurrent • Motor driver overheat  
790 Finisher staple trimming hopper full
The staple waste hopper is full of cut staples.
• If the hopper is full, empty the hopper • If the hopper is not full, the hopper full sensor is disconnected, defective  
816 Energy save I/O subsystem error
The energy save I/O subsystem is defective or this system detects the controller board error.
• Reboot the machine. • Replace the controller board.  
817 Monitor Error
This is a file detection and electronic file signature check error when the boot loader attempts to read the self-diagnostic module, system kernel, or root system files from the OS Flash ROM, or the items on the SD card in the controller slot are false or corrupted.
• OS Flash ROM data defective; change the controller firmware • SD card data defective; use another SD card  
819 Fatal kernel error
Due to a control error, a RAM overflow occurred during system processing. One of the following messages was displayed on the operation panel.
• System program defective • Controller board defective • Optional board defective • Replace controller firmware  
820 Self-diagnostic Error: CPU
0008 Self-diagnostic Error: CPU: System Call Exception 
0612 Self-diagnostic Error: CPU: ASIC Interrupt Error
• System program defective • Controller board defective • Optional board defective • Replace controller firmware Note: For more details about this SC code error, execute SP5990 to print an SMC report so you can read the error code. The error code is not displayed on the operation panel  
821 Self-diagnostic error: ASIC
The Write & Verify check of the ASIC returned an error. Note: The main ASIC module on the controller board controls the bus of the ROM device.
• Replace the controller board  
822 Self-diagnostic error: HDD    
823 Self-diagnostic error: NIB    
824 Self-diagnostic error 4: NVRAM
One or more of the following conditions exist: • NVRAM not present. • NVRAM damaged • NVRAM socket damaged
• NVRAM defective • Controller board defective • NVRAM backup battery exhausted • NVRAM socket damaged Note: In every case, the controller board must be replaced.  
829 Self-diagnostic Error: Optional RAM
The optional RAM returned an error during the self-diagnostic test.
• Replace the optional memory board • Controller board defective  
833 Self-diagnostic error 8: Engine I/F ASIC    
834 Self-diagnostic error 9: Optional Memory RAM DIMM    
838 Self-diagnostic Error: Clock Generator
A verify error occurred when setting data was read from the clock generator via the I2C bus.
• Replace the controller board  
851 IEEE 1394 I/F error
Driver setting incorrect and cannot be used by the 1394 I/F.
• NIB (PHY), LINK module defective; change the Interface Board • Controller board defective  
853 Wireless LAN Error 1
During machine start-up, the machine can get access to the board that holds the wireless LAN, but not to the wireless LAN card (802.11b or Bluetooth).
• Wireless LAN card missing (was removed)  
854 Wireless LAN Error 2
The board that holds the wireless LAN card can be accessed, but the wireless LAN card (802.11b/Bluetooth) itself could not be accessed while the machine was operating.
• Wireless LAN card has been removed.  
855 Wireless LAN Error 3
An error is detected for the wireless LAN card (802.11b or Bluetooth).
• Wireless LAN card defective • Wireless card connection not tight  
856 Wireless LAN Error 4
An error is detected for the wireless LAN board (802.11b or Bluetooth).
• Wireless LAN card board defective. • PCI connector loose (External controller interface board).  
857 USB I/F Error 1
The USB driver is unstable and generated an error. The USB I/F cannot be used.
• USB board or controller board defective  
858 Data Encryption Error 1
These are errors of the HDD Data Encryption Option D377.
• Replace the controller board  
859 Data Encryption Error 2
These are errors of the HDD Data Encryption Option D377.
   
860 HDD startup error at power on
HDD is connected but a driver error is detected. The driver does not respond with the status of the HDD within 30 s.
• HDD is not initialized • Level data is corrupted • HDD is defective  
861 HDD Error 2: HDD Startup
The hard disks were detected at power on, but the disks were not detected within 30s after recovery from the energy conservation mode.
• Cable between the hard disks and controller board disconnected or loose • Hard disk power connector loose • One of the hard disks is defective • Controller defective  
862 Bad sector overflow
There more 100 bad sectors in image storage area of the HDD.
• HDD defective • Format HDD with SP4911-2  
863 HDD data read failure
The data written to the HDD cannot be read normally, due to bad sectors generated during operation
• HDD defective Note: If the bad sectors are generated at the image partition, the bad sector information is written to NVRAM, and the next time the HDD is accessed, these bad sectors will not be accessed for read/write operation.  
864 HDD data CRC error
During HDD operation, the HDD cannot respond to a CRC error query. Data transfer did not execute normally while data was being written to the HDD.
• HDD defective  
865 HDD access error
HDD responded to an error during operation for a condition other than those for SC863, 864.
• HDD defective.  
866 SC card error 1: Confirmation
The machine detects an electronic license error in the application on the SD card in the controller slot immediately after the machine is turned on. The program on the SD card contains electronic confirmation license data. If the program does not contain this license data, or if the result of the check shows that the license data in the program on the SD card is incorrect, then the checked program cannot execute and this SC code is displayed.
• Program missing from the SD card • Download the correct program for the machine to the SD card  
867 SD card error 2: SD card removed
The SD card in the boot slot when the machine was turned on was removed while the machine was on.
• Insert the SD card, then turn the machine off and on.  
868 SD card error 3: SC card access
An error occurred while an SD card was used.
• SD card not inserted correctly • SD card defective • Controller board defective Note: If you want to try to reformat the SC card, use SD Formatter Ver 1.1.  
870 Address Book Data Error
Address book data stored on the hard disk was detected as abnormal when it was accessed from either the operation panel or the network. The address book data cannot be read from the HDD or SD card where it is stored, or the data read from the media is defective.
• Software defective, switch off/on, and change the controller firmware if the problem is not solved. • HDD defective Recommended Recovery • Execute SP5846 050 (UCS Settings – Initialize all Directory Info.) to initialize all address book data. • Initialize the user information with SP5832 006 (HDD Formatting – User Information 1) and SP5832 007 (HDD Formatting – User Information 2) • Replace the HDDs. • Boot the machine from the SD card.  
872 HDD mail RX data error
An HDD error was detected immediately after power on. The HDD may be defective or the machine was accidentally powered off while the HDD was being accessed.
• Reformat the HDD with SP5832-7 (Mail RX Data) • Replace the HDD  
873 HDD mail send data error
An error was detected on the HDD immediately after the machine was turned on, or power was turned of while the machine used the HDD.
• Do SP5832-007 (Format HDD – Mail TX Data) to initialize the HDD. • Replace the HDD.  
874 Delete All Error 1: HDD
A data error was detected for the HDD/NVRAM after the "Delete All" option was used. Note: The source of this error is the Data Overwrite Security Unit running from an SD card.
• Turn the main switch off/on and try the operation again. • Install the Data Overwrite Security Unit again. For more, see section "MFP Options" in "Installation". • HDD defective.  
875 Delete All Error 2: Data area
An error occurred while the machine deleted data from the HDD Note: The source of this error is the Data Overwrite Security Unit running from an SD card.
• Turn the main switch off/on and try the operation again.  
876 Log data abnormal
An error was detected in the handling of the log data at power on or during machine operation. This can be caused by switching the machine off while it is operating.
• Software error. Update the firmware • NVRAM defective • HDD defective  
877 Data Overwrite Security SD card error
An error occurred, preventing successful execution of the Data Overwrite Security function, even though it has been set up and enabled.
• DOS card is not inserted completely into the SD card slot • DOS card has been removed from the SD card slot. • DOS card is damaged. Note: • If the SD card has been removed (or was not installed correctly), switch the machine off, insert the SD card, then switch on the machine again. • If the SD card has been damaged, procure a new SD card, replace the NVRAM, then do the DOS option installation.  
878 TPM electronic authentication error
The system hash value registered in TPM and the value registered in USB flash memory are not same during system booting.
• The system module was updated through the prescribed update root, so the controller board became defective. • USB flash memory did not work correctly.  
880 Media Link Board Error
A request for access to the Media Link Board was not answered within the specified time.
• Media Link Board defective.  
900 Electrical Total Counter Error
The total counter contains data that is not a number.
• NVRAM disturbed unexpectedly. • NVRAM defective NVRAM data corrupted.  
901 Mechanical total counter error
The mechanical counter is not connected.
• Mechanical total counter defective • Mechanical total counter connector not connected  
910 External Controller Error 1    
911 External Controller Error 2    
912 External Controller Error 3    
913 External Controller Error 4    
914 External Controller Error 5    
919 External Controller Error 6
While EAC (External Application Converter), the conversion module, was operating normally, the receipt of a power line interrupt signal from the FLUTE serial driver was detected, of BREAK signal from the other station was detected.
• Power outage at the EFI controller. • EFI controller was rebooted. • Connection to EFI controller loose.  
920 Printer Error 1
An internal application error was detected and operation cannot continue.
• Software defective, switch off/on, or change the controller firmware if the problem is not solved. • Insufficient memory  
921 Printer Error 2
When the printer application started, the font to use could not be found on the SD card.
• The font is not on the SD card  
925 Net File Function Error    
953 Scanner image setting error
The settings required for image processing using the scanner are not sent from the IPU.
• Software defective  
954 Printer image setting error
The settings required for image processing using the printer controller are not sent from the IPU.
• Software defective  
955 Memory setting error
The settings that are required for image processing using the memory are not sent from the IPU.
• Software defective  
964 Printer ready error
The print ready signal is not generated for more than 17 seconds after the IPU received the print start signal.
• Software defective  
984 Print image data transfer error
After a data transfer begins from the controller to the engine via the PCI bus, the transfer does not end within 15 s.
• Controller (SIMAC) board defective • BICU defective • BICU/controller disconnected  
985 Scanned image data transmission error
After a data transfer begins from the engine to the controller via the PCI bus, the transfer does not end within 3 s.
• Controller (SIMAC) board defective • BICU defective • BICU/controller disconnected  
986 Software error 1
The write parameter received by the write module at the beginning of the setting table is NULL.
• Controller (SIMAC) board defective • BICU defective • BICU/controller disconnected  
990 Software Performance Error 1
An unexpected operation was encountered by the software.
• Software crash, reboot the machine • If the HDDs have just been replaced, be sure to download the stamp data (SP 5853). • With SP5990 004(SMC Report – Logging Data), print the most recent information for SC990. • The SC990 information displays the file name, line number, and value. Report this information to your technical supervisor. For example: Funciton.c LINE: 123 VAL: 0  
991 Software Error
The software performs an unexpected function and the program cannot continue. Recovery processing allows the program to continue.
• Software defective, re-boot  
992 Undefined Error (No SC Code)
An error not controlled by the system occurred (the error does not come under any other SC code).
• Software defective • Turn the machine power off and on. The machine cannot be used until this error is corrected. • Re-install firmware  
994 Operation Panel Management Records Exceeded
An error occurred because the number of records exceeded the limit for images managed in the service layer of the firmware. This can occur if there are too many application screens open on the operation panel.
No action required because this SC does not interfere with operation of the machine.  
997 Application Selection Error
An application did not start after pressing the appropriate key on the operation panel.
• Software bug; change the firmware for the application that failed • A RAM or DIMM option required by the application is not installed or not installed correctly.  
998 Application start error
No applications start within 60 seconds after the power is turned on.
• Loose connection of RAM-DIMM, ROM-DIMM • Defective controller • Software problem