| Code |
Description |
Causes |
| C0030 |
Fax control PWB system problem |
Defective fax control PWB. |
| Processing with the fax software was disabled due to a hardware or software problem. |
| |
|
|
| C0070 |
Abnormal detection of fax control PWB incompatibility |
Defective fax software. |
| In the initial communication with the fax control PWB, any normal communication command is not transmitted. |
Defective fax control PWB. |
| C0100 |
Backup memory (EEPROM) device problem (Main PWB) |
Defective main PWB. |
| Reading from or writing to EEPROM cannot be performed. |
Device damage of EEPROM. |
| C0110 |
Backup memory (EEPROM) data problem (Main PWB) |
Data damage of EEPROM. |
| Reading data from EEPROM is abnormal. |
| C0150 |
Backup memory (EEPROM) device problem (Engine PWB) |
Defective engine PWB. |
| No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively. |
Device damage of EEPROM. |
| C0160 |
Backup memory (EEPROM) data problem (Engine PWB) |
Data damage of EEPROM. |
| Reading data from EEPROM is abnormal. |
| C0170 |
Copy counts problem |
Data damage of EEPROM. |
| A checksum error is detected in the main and sub backup memories for the copy counters. |
Defective main PWB. |
| C0180 |
Machine number mismatch error |
Data damage of EEPROM. |
| Machine number of main PWB and engine PWB does not match. |
| C0320 |
Power CPU communication problem |
Defective engine PWB. |
| A communication error is detected 10 times in succession. |
| C0620 |
FAX image DIMM problem DIMM is not installed correctly. |
DIMM installed incorrectly. |
| DIMM cannot be accessed. |
Defective main PWB. |
| C0630 |
DMA problem |
Poor contact in the connector terminals. |
| DMA transmission of image data does not complete within the specified period of time. |
Defective main PWB. |
| C0640 |
Hard disk drive problem |
Poor contact in the connector terminals. |
| The hard disk cannot be accessed. |
Defective hard disk. |
| |
Defective main PWB. |
| |
|
|
| C0650 |
FAX image DIMM check problem |
DIMM installed incorrectly. Original DIMM not installed. |
| Incorrect DIMM is installed. If DIMM from another Fax System is installed. |
Defective main PWB. |
| C0800 |
Image processing problem |
Defective main PWB. |
| JAM05 is detected twice. |
| C0820 |
Fax control PWB CG ROM checksum error (optional fax) |
Defective fax software. |
| A checksum error occurred with the CG ROM data of the fax control PWB. |
Defective fax control PWB. |
| C0830 |
Fax control PWB flash program area checksum error (optional fax) |
Defective fax software. |
| A checksum error occurred with the program of the fax control PWB. |
Defective fax control PWB. |
| C0840 |
Faults of RTC |
Defective main PWB. |
| The time is judged to go back based on the comparison of the RTC time and the current time or five years or more have passed. |
The battery is disconnected from the main PWB. |
| C0860 |
Fax control PWB software switch checksum error (optional fax) |
Defective fax software. |
| A checksum error occurred with the software switch value of the fax control PWB. |
Defective fax control PWB. |
| C0870 |
Fax control PWB to main PWB high capacity data transfer problem |
Poor contact in the connector terminals. |
| High-capacity data transfer between the fax control PWB and the scanner MIP PWB was not normally performed even if the data transfer was retried 10 times. |
Defective PWB. |
| C0880 |
Program archive problem (optional fax) |
Defective fax software. |
| When power is turned on, the compressed program in the Flash ROM on the fax control PWB was not successfully decompressed. |
Defective fax control PWB. |
| C0890 |
Fax control PWB CG FONT archive problem (optional fax) |
Defective fax software. |
| When power is turned on, the compressed CG font in the Flash ROM on the fax control PWB was not successfully decompressed. |
Defective fax control PWB. |
| C0920 |
Fax file system error |
Defective fax control PWB. |
| The backup data is not retained for file system abnormality of flash memory of the fax control PWB. |
| C1010 |
Lift motor 1 error |
Poor contact in the connector terminals. |
| After cassette 1 is inserted, lift limit switch 1 does not turn on within 12 s. This error is detected four times successively. |
Broken gears or couplings of lift motor 1. |
| |
Defective lift motor 1. |
| |
Defective lift switch 1. |
| |
Poor contact in the connector terminals. |
| |
Defective PWB. |
| C1020 |
Lift motor 2 error |
Poor contact in the connector terminals. |
| After cassette 2 is inserted, lift limit switch 2 does not turn on within 12 s. This error is detected four times successively. |
Broken gears or couplings of lift motor 2. |
| |
Defective lift motor 2. |
| |
Defective lift switch 2. |
| |
Poor contact in the connector terminals. |
| |
Defective PWB |
| C1030 |
PF lift motor 1 error (optional paper feeder) |
Poor contact in the connector terminals. |
| After cassette 3 is inserted, PF lift switch 1 does not turn on within 12 s. This error is detected two times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 500 ms or more two times successively. However, the first 1 s after PF lift motor 1 is turned on is excluded from detection. |
Broken gears or couplings of PF lift motor 1. |
| |
Defective PF lift motor 1. |
| |
Defective PF lift switch 1. |
| C1040 |
PF lift motor 2 error (optional paper feeder) |
Poor contact in the connector terminals. |
| After cassette 4 is inserted, PF lift switch 2 does not turn on within 12 s. This error is detected two times successively. During driving the motor, the lift overcurrent protective monitor signal is detected for 500 ms or more two times successively. However, the first 1 s after PF lift motor 2 is turned on is excluded from detection. |
Broken gears or couplings of PF lift motor 2. |
| |
Defective PF lift motor 2. |
| |
Defective PF lift switch 2. |
| C1100 |
PF lift motor 1 error (optional 3000sheet paper feeder) |
Poor contact in the connector terminals. |
| A motor over-current signal is detected continuously for 1 s or longer. |
PF lift motor 1 does not rotate correctly (the motor is overloaded). |
| C1110 |
PF lift motor 2 error (optional 3000sheet paper feeder) |
Poor contact in the connector terminals. |
| A motor over-current signal is detected continuously for 1 s or longer. |
PF lift motor 2 does not rotate correctly (the motor is overloaded). |
| C1120 |
PF left lift position problem (optional 3000-sheet paper feeder) |
Poor contact in the connector terminals. |
| Level switch 1 does not turn on within 30 s of PF lift motor 2 turning on. |
Defective level switch 1. |
| |
Defective PF lift motor 2. |
| |
The PF left lift does not rise properly. |
| C1130 |
PF right lift position problem (optional 3000-sheet paper feeder) |
Poor contact in the connector terminals. |
| Level switch 2 does not turn on within 30 s of PF lift motor 1 turning on. |
Defective level switch 2. |
| |
Defective PF lift motor 1. |
| |
The PF right lift does not rise properly. |
| C1400 |
Rotary guide motor error |
Poor contact in the connector terminals. |
| Rotary guide sensor does not turn on. |
Broken gear s or couplings of rotary guide motor. |
| |
Defective rotary guide motor. |
| |
Defective rotary guide sensor. |
| |
Poor contact in the connector terminals. |
| |
Defective PWB. |
| C1800 |
Paper feeder communication error (optional paper feeder) |
Poor contact in the connector terminals. |
| A communication error from paper feeder is detected 10 times in succession. |
Defective PWB. |
| C1900 |
Paper feeder EEPROM error (optional paper feeder) |
Poor contact in the connector terminals. |
| When writing the data, the write data and the read data is not continuously in agreement three times. |
Defective engine PWB. |
| |
Defective paper feeder. |
| C1950 |
Transfer belt unit EEPROM error |
Poor contact in the connector terminals. |
| No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively. |
Defective transfer belt speed PWB (inner transfer belt unit). |
| C2101 |
Developing motor K error |
Poor contact in the connector terminals. |
| The rated speed achievement signal does not turn to L within 2 s since developing motor K is activated. The rated speed achievement signal is at the H level for 1 s continuously after developing motor K is stabilized. |
Defective drive transmission system. |
| |
Defective developing motor K. |
| |
Defective engine PWB. |
| C2102 |
Developing motor MCY error |
Poor contact in the connector terminals. |
| The rated speed achievement signal does not turn to L within 2 s since developing motor MCY is activated. The rated speed achievement signal is at the H level for 1 s continuously after developing motor MCY is stabilized. |
Defective drive transmission system. |
| |
Defective developing motor MCY. |
| |
Defective engine PWB. |
| |
|
|
| C2201 |
Drum motor K steady-state error |
Poor contact in the connector terminals. |
| Drum motor K does not keep the steady-state speed for 5 s successively since the motor is stabilized. |
Defective drum motor K. |
| |
Defective PWB. |
| C2202 |
Drum motor C steady-state error |
Poor contact in the connector terminals. |
| Drum motor C does not keep the steady-state speed for 5 s successively since the motor is stabilized. |
Defective drum motor C. |
| |
Defective PWB. |
| C2203 |
Drum motor M steady-state error |
Poor contact in the connector terminals. |
| Drum motor M does not keep the steady-state speed for 5 s successively since the motor is stabilized. |
Defective drum motor M. |
| |
Defective PWB. |
| C2204 |
Drum motor Y steady-state error |
Poor contact in the connector terminals. |
| Drum motor Y does not keep the steady-state speed for 5 s successively since the motor is stabilized. |
Defective drum motor Y. |
| |
Defective PWB. |
| C2211 |
Drum motor K startup error |
Poor contact in the connector terminals. |
| Drum motor K is not stabilized within 5 s since the motor is activated. |
Defective drum motor K. |
| |
Defective PWB. |
| C2212 |
Drum motor C startup error |
Poor contact in the connector terminals. |
| Drum motor C is not stabilized within 5 s since the motor is activated. |
Defective drum motor C. |
| |
Defective PWB |
| C2213 |
Drum motor M startup error |
Poor contact in the connector terminals. |
| Drum motor M is not stabilized within 5 s since the motor is activated. |
Defective drum motor M. |
| |
Defective PWB |
| C2214 |
Drum motor Y startup error |
Poor contact in the connector terminals. |
| Drum motor Y is not stabilized within 5 s since the motor is activated. |
Defective drum motor Y. |
| |
Defective PWB |
| C2231 |
Drum motor K main sensor error |
Poor contact in the connector terminals. |
| No signal is input to the sensor for 1.5 s continuously. |
Defective drum motor K. |
| |
Defective PWB. |
| C2232 |
Drum motor C main sensor error |
Poor contact in the connector terminals |
| No signal is input to the sensor for 1.5 s continuously. |
Defective drum motor C. |
| |
Defective PWB. |
| C2233 |
Drum motor M main sensor error |
Poor contact in the connector terminals. |
| No signal is input to the sensor for 1.5 s continuously. |
Defective drum motor M. |
| |
Defective PWB. |
| C2234 |
Drum motor Y main sensor error |
Poor contact in the connector terminals. |
| No signal is input to the sensor for 1.5 s continuously. |
Defective drum motor Y. |
| |
Defective PWB. |
| |
|
|
| C2241 |
Drum motor K sub sensor error |
Poor contact in the connector terminals. |
| No signal is input to the sensor for 1.5 s continuously. |
Defective drum motor K. |
| |
Defective PWB. |
| C2242 |
Drum motor C sub sensor error |
Poor contact in the connector terminals. |
| No signal is input to the sensor for 1.5 s continuously. |
Defective drum motor C |
| |
Defective PWB. |
| C2243 |
Drum motor M sub sensor error |
Poor contact in the connector terminals. |
| No signal is input to the sensor for 1.5 s continuously. |
Defective drum motor M. |
| |
Defective PWB. |
| C2244 |
Drum motor Y sub sensor error |
Poor contact in the connector terminals. |
| No signal is input to the sensor for 1.5 s continuously. |
Defective drum motor Y. |
| |
Defective PWB. |
| C2261 |
Drum motor K device sensor error |
Poor contact in the connector terminals |
| The device alarm signal is input. |
Defective drum motor K. |
| |
Defective PWB. |
| C2262 |
Drum motor C device error |
Poor contact in the connector terminals. |
| The device alarm signal is input. |
Defective drum motor C. |
| |
Defective PWB |
| C2263 |
Drum motor M device error |
Poor contact in the connector terminals. |
| The device alarm signal is input. |
Defective drum motor M. |
| |
Defective PWB. |
| C2264 |
Drum motor Y device error |
Poor contact in the connector terminals. |
| The device alarm signal is input. |
Defective drum motor Y. |
| |
Defective PWB. |
| C2271 |
Drum position sensor K error |
Poor contact in the connector terminals. |
| While the drum rotates two turns, no signal is input to the sensor. |
Defective drum position sensor K. |
| |
Defective PWB. |
| C2272 |
Drum position sensor C error |
Poor contact in the connector terminals. |
| While the drum rotates two turns, no signal is input to the sensor. |
Defective drum position sensor C. |
| |
Defective PWB. |
| C2273 |
Drum position sensor M error |
Poor contact in the connector terminals. |
| While the drum rotates two turns, no signal is input to the sensor. |
Defective drum position sensor M. |
| |
Defective PWB. |
| C2274 |
Drum position sensor Y error |
Poor contact in the connector terminals. |
| While the drum rotates two turns, no signal is input to the sensor. |
Defective drum position sensor Y. |
| |
Defective PWB. |
| |
|
|
| C2300 |
Fuser motor error |
Poor contact in the connector terminals. |
| After the motor drive ON signal is output and 1 s elapses, the rated speed reach signal is not input continuously for 2 s. |
Defective drive transmission system. |
| |
Defective fuser motor. |
| |
Defective engine PWB. |
| C2351 |
Cleaning motor K error |
Poor contact in the connector terminals. |
| After the motor drive ON signal is output and 1 s elapses, the rated speed reach signal is not input continuously for 2 s. |
Defective drive transmission system. |
| |
Defective cleaning motor K. |
| |
Defective engine PWB. |
| C2352 |
Cleaning motor MCY error |
Poor contact in the connector terminals. |
| After the motor drive ON signal is output and 1 s elapses, the rated speed reach signal is not input continuously for 2 s. |
Defective drive transmission system. |
| |
Defective cleaning motor K. |
| |
Defective engine PWB. |
| C2400 |
Eject motor error |
Poor contact in the connector terminals. |
| After the motor drive ON signal is output and 1 s elapses, the rated speed reach signal is not input continuously for 2 s. |
Defective drive transmission system. |
| |
Defective eject motor. |
| |
Defective engine PWB. |
| C2500 |
MP motor error |
Poor contact in the connector terminals. |
| After the motor drive ON signal is output and 1 s elapses, the rated speed reach signal is not input continuously for 2 s. |
Defective drive transmission system. |
| |
Defective MP motor. |
| |
Defective engine PWB. |
| C2550 |
Paper conveying motor error |
Poor contact in the connector terminals. |
| After the motor drive ON signal is output and 1 s elapses, the rated speed reach signal is not input continuously for 2 s. |
Defective drive transmission system. |
| |
Defective paper conveying motor. |
| |
Defective PWB. |
| C2600 |
PF paper conveying motor error (optional paper feeder) |
Poor contact in the connector terminals. |
| The lock signal of the motor is detected above 450 ms. |
Defective drive transmission system. |
| |
Defective paper PF conveying motor. |
| |
Defective PWB. |
| C2700 |
Color release motor error |
Poor contact in the connector terminals. |
| After driving of the color release motor starts, the error signal is not at the H level for 4 s continuously. After driving of the color release motor starts, the release signal does not turn to the L level within 5 s. |
Defective color release motor |
| |
Defective engine PWB. |
| C2810 |
Waste toner motor error |
Poor contact in the connector terminals |
| After driving of the waste toner motor starts, the error signal is not at the H level for 2 s continuously. |
Defective drive transmission system. |
| |
Defective waste toner motor. |
| |
Defective engine PWB |
| C2950 |
Motor control PWB communication error |
Poor contact in the connector terminals. |
| A communication error from motor control PWB is detected 10 times in succession. |
Defective PWB. |
| C3100 |
Scanner carriage problem |
Poor contact in the connector terminals. |
| The home position is not correct when the power is turned on or at the start of copying using the table. |
Defective home position switch. |
| |
Defective scanner motor. |
| |
The mirror frame, exposure lamp, or scanner wire is defective. |
| |
Defective PWB. |
| C3200 |
Exposure lamp problem |
Poor contact in the connector terminals. |
| When input value at the time of exposure lamp illumination does not exceed the threshold value between 5 s. |
Defective exposure lamp or inverter PWB. |
| |
Incorrect shading position. |
| |
Defective PWB |
| C3210 |
CIS lamp problem |
Poor contact in the connector terminals. |
| When input value at the time of CIS illumination does not exceed the threshold value between 5 s. |
Defective DP driver PWB |
| |
Defective DP inverter PWB. |
| |
Defective CIS. |
| C3300 |
Optical system (AGC) problem |
Poor contact in the connector terminals. |
| After AGC, correct input is not obtained at CCD. |
Defective exposure lamp or inverter PWB. |
| |
Defective PWB. |
| C3310 |
CIS AGC problem |
Defective DP driver PWB. |
| After AGC, correct input is not obtained at CIS. |
CIS output problem. |
| |
Defective DP inverter PWB. |
| C3500 |
Communication error between scanner and ASIC |
Poor contact in the connector terminals. |
| An error code is detected. |
Defective PWB. |
| C3900 |
Backup memory read/write problem (ISC PWB) |
Defective backup RAM or PWB. |
| Read and write data does not match. |
| C3910 |
Backup memory data problem (ISC PWB) |
Defective backup RAM or PWB. |
| Data in the specified area of the backup memory does not match the specified values. |
| C4000 |
Polygon motor synchronization problem |
Poor contact in the connector terminals. |
| The rated speed achievement signal won’t turn to L in 48 s since the polygon motor is activated. |
Defective polygon motor. |
| |
Defective engine PWB. |
| C4010 |
Polygon motor steady-state problem |
Poor contact in the connector terminals. |
| The rated speed achievement signal turns to H every other 24 s after the polygon motor is stabilized. |
Defective polygon motor. |
| |
Defective engine PWB. |
| C4100 |
BD initialization problem |
Poor contact in the connector terminals. |
| When power is turned on, ASIC of engine PWB detects a BD error for 1 s after the polygon motor is activated. |
Defective APC PWB BK (inner laser scanner unit) |
| |
Defective engine PWB. |
| C4200 |
BD steady-state problem |
Poor contact in the connector terminals. |
| Defective laser scanner unit. |
| Defective engine PWB. |
| C5101 |
Main high-voltage K error |
Installation defectiveness on charger roller unit K. |
| Abnormality of charger roller K is detected when Vpp adjustment. |
Defective charger roller unit K |
| C5102 |
Main high-voltage C error |
Installation defectiveness on charger roller unit C. |
| Abnormality of charger roller C is detected when Vpp adjustment. |
Defective charger roller unit C |
| |
|
|
| C5103 |
Main high-voltage M error |
Installation defectiveness on charger roller unit M. |
| Abnormality of charger roller M is detected when Vpp adjustment. |
Defective charger roller unit M. |
| C5104 |
Main high-voltage Y error |
Installation defectiveness on charger roller unit Y. |
| Abnormality of charger roller Y is detected when Vpp adjustment. |
Defective charger roller unit Y. |
| C5301 |
Cleaning lamp K error |
Poor contact in the connector terminals. |
| Defective cleaning lamp K. |
| Defective PWB. |
| C5302 |
Cleaning lamp C error |
Poor contact in the connector terminals. |
| Defective cleaning lamp C. |
| Defective PWB. |
| C5303 |
Cleaning lamp M error |
Poor contact in the connector terminals. |
| Defective cleaning lamp M. |
| Defective PWB. |
| C5304 |
Cleaning lamp Y error |
Poor contact in the connector terminals. |
| Defective cleaning lamp Y. |
| Defective PWB. |
| C6000 |
Fuser heater 1 break Fuser thermistor 1 detects a temperature lower than the Ready indication temperature for 90 s during warming up. Fuser thermistor 1 deduced less than 130 C/266F for 5 s during stand-by. Fuser thermistor 1 does not reach 75C/ 167F even after 30 s during warming up. |
Defective fuser heater 1. |
| Defective fuser thermostat 1. |
| Installation defectiveness on fuser thermistor 1. |
| Defective PWB. |
| C6010 |
Abnormally high fuser thermistor temperature |
Defective PWB. |
| The fuser Abnormally high signal is detected for 60 s or more. |
| C6020 |
Abnormally high fuser thermistor 1 temperature The fuser temperature exceeds 240 C/464 F for 1 s. |
Installation defectiveness on fuser thermistor 1 |
| Defective PWB |
| C6030 |
Fuser thermistor 1 break error During warming up, fuser thermistor 1 does not detect temperature rise of 1 C/1.8F for 10 s. When the difference of temperature of fuser thermistor 1 and 2 becomes 100C/212F or more. |
Defective fuser heater 1. |
| Installation defectiveness on fuser thermistor 1. |
| Defective PWB. |
| C6040 |
Fuser heater error |
Defective fuser heater 1. |
| Fuser thermistor 1 detects temperature change of 20C/36F or more for 160 ms 100 times or more since the power is turned on. |
Installation defectiveness on fuser thermistor 1. |
| |
Defective PWB |
| C6050 |
Abnormally low fuser thermistor 1 temperature |
Defective fuser heater 1. |
| During printing, the temperature at the heat roller lower than 100C/212F is detected continuously for 1 s. |
Defective PWB |
| |
|
|
| C6100 |
Fuser heater 2 break |
Defective fuser heater 2. |
| Fuser thermistor 2 detected less than 100C/212F for 120 s during driving. Fuser thermistor 2 deduced less than 150C/302F for 300 s during driving. Fuser thermistor 2 deduced less than 100C/212F for 5 s during driving. |
Defective fuser thermostat 2. |
| |
Installation defectiveness on fuser thermistor 2. |
| |
Defective PWB. |
| C6120 |
Abnormally high fuser thermistor 2 temperature |
Installation defectiveness on fuser thermistor 2. |
| The fuser temperature exceeds 190C/ 374F for 1 s. |
Defective PWB |
| C6130 |
Fuser thermistor 2 break error Fuser thermistor 2 detects a temperature of 30 C/86F or lower for 45 s. |
Installation defectiveness on fuser thermistor 2. |
| Defective fuser heater 2. |
| Defective PWB. |
| C6200 |
Fuser heater 1 edge break |
Defective fuser heater 1. |
| During warming up, fuser thermistor 1 does not detect temperature rise of 1C/ 1.8F for 10 s. Fuser thermistor 1 does not reach 90F even after 30 s during warming up. |
Defective fuser thermostat 1. |
| |
Installation defectiveness on fuser thermistor 1. |
| |
Defective PWB. |
| C6220 |
Abnormally high fuser thermistor 1 edge temperature |
Installation defectiveness on fuser thermistor 1. |
| The fuser temperature exceeds 250C/ 482F for 1 s. |
Defective PWB. |
| C6230 |
Fuser thermistor 1 edge break error Fuser thermistor 1 detects a temperature of 40C/104F or lower for 30 s. |
Defective fuser heater 1. |
| Installation defectiveness on fuser thermistor 1. |
| Defective PWB. |
| C6400 |
Zero-cross signal error |
Poor contact in the connector terminals. |
| While fuser heater ON/OFF control is performed, the zero-cross signal is not input within 3 s. |
Defective PWB. |
| C6410 |
Fuser unit type mismatch problem |
Fuser unit connector inserted incorrectly. |
| Absence of the fuser unit is detected. |
Different type of the fuser unit is installed. |
| C7000 |
Toner motor problem |
Poor contact in the connector terminals. |
| After driving of the toner motor starts, the error signal is not at the H level for 500 ms continuously. |
Broken the gear |
| |
Defective toner motor M/C/Y/K. |
| |
Defective engine PWB. |
| C7100 |
Toner container motor error |
Poor contact in the connector terminals. |
| The rated speed achievement signal does not turn to L within 2 s since toner container motor is activated. The rated speed achievement signal is at the H level for 1 s continuously after toner container motor is stabilized. |
Defective drive transmission system. |
| |
Defective toner container motor |
| |
Defective engine PWB. |
| C7101 |
Toner sensor K problem |
Defective developing unit K. |
| Sensor output value of 60 or less or 944 or more continued for 3 s. |
Defective PWB. |
| C7102 |
Toner sensor C problem Sensor output value of 60 or less or 944 or more continued for 3 s. |
Defective developing unit C. |
| Defective PWB. |
| |
|
|
| C7103 |
Toner sensor M problem Sensor output value of 60 or less or 944 or more continued for 3 s. |
Defective developing unit M. |
| Defective PWB. |
| C7104 |
Toner sensor Y problem |
Defective developing unit Y. |
| Sensor output value of 60 or less or 944 or more continued for 3 s. |
Defective PWB |
| C7200 |
Broken internal thermistor wire |
Poor contact in the connector terminals |
| An abnormal value is detected in the input data to inner temperature sensor 1. |
Defective laser scanner unit. |
| |
Defective engine PWB. |
| C7210 |
Short-circuited internal thermistor |
Poor contact in the connector terminals. |
| An abnormal value is detected in the input data to inner temperature sensor 1. |
Defective laser scanner unit. |
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Defective engine PWB. |
| C7240 |
Broken internal thermistor 2 wire |
Poor contact in the connector terminals. |
| An abnormal value is detected in the input data to inner temperature sensor 2. |
Defective engine PWB |
| C7250 |
Short-circuited internal thermistor 2 |
Poor contact in the connector terminals. |
| An abnormal value is detected in the input data to inner temperature sensor 2. |
Defective engine PWB. |
| C7401 |
Developing unit K type mismatch problem |
Developing unit connector inserted incorrectly. |
| Absence of the developing unit K is detected. |
Different type of the developing unit is installed. |
| C7402 |
Developing unit C type mismatch problem |
Developing unit connector inserted incorrectly. |
| Absence of the developing unit C is detected. |
Different type of the developing unit is installed. |
| C7403 |
Developing unit M type mismatch problem |
Developing unit connector inserted incorrectly. |
| Absence of the developing unit M is detected. |
Different type of the developing unit is installed. |
| C7404 |
Developing unit Y type mismatch problem |
Developing unit connector inserted incorrectly. |
| Absence of the developing unit Y is detected. |
Different type of the developing unit is installed |
| C7411 |
Drum unit K type mismatch problem |
Drum unit connector inserted incorrectly. |
| Absence of the drum unit K is detected. |
Different type of the drum unit is installed. |
| C7412 |
Drum unit C type mismatch problem |
Drum unit connector inserted incorrectly. |
| Absence of the drum unit C is detected. |
Different type of the drum unit is installed. |
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| C7413 |
Drum unit M type mismatch problem |
Drum unit connector inserted incorrectly. |
| Absence of the drum unit M is detected. |
Different type of the drum unit is installed. |
| C7414 |
Drum unit Y type mismatch problem |
Drum unit connector inserted incorrectly. |
| Absence of the drum unit Y is detected. |
Different type of the drum unit is installed. |
| C7420 |
Transfer belt unit type mismatch problem |
Transfer belt unit connector inserted incorrectly. |
| Absence of the transfer belt unit is detected. |
Different type of the transfer belt unit is installed. |
| C7601 |
ID sensor 1 error |
Poor contact in the connector terminals. |
| An abnormal value is detected in the input data to ID sensor 1. |
Defective engine PWB. |
| C7602 |
ID sensor 2 error |
Poor contact in the connector terminals. |
| An abnormal value is detected in the input data to ID sensor 2. |
Defective engine PWB. |
| C7800 |
Broken external thermistor wire |
Poor contact in the connector terminals. |
| An abnormal value is detected in the input data to the outer temperature sensor. |
Defective PWB. |
| C7901 |
Drum K EEPROM error |
Poor contact in the connector terminals. |
| No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively. |
Defective drum PWB K. |
| C7902 |
Drum C EEPROM error |
Poor contact in the connector terminals. |
| No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively. |
Defective drum PWB C. |
| C7903 |
Drum M EEPROM error |
Poor contact in the connector terminals. |
| No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively. |
Defective drum PWB M. |
| C7904 |
Drum Y EEPROM error No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively. |
Defective drum PWB Y. |
| C7911 |
Developing unit K EEPROM error |
Poor contact in the connector terminals. |
| No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively. |
Defective developing PWB K. |
| C7912 |
Developing unit C EEPROM error |
Poor contact in the connector terminals. |
| No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively. |
Defective developing PWB C. |
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| C7913 |
Developing unit M EEPROM error |
Poor contact in the connector terminals. |
| No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively. |
Defective developing PWB M. |
| C7914 |
Developing unit Y EEPROM error |
Poor contact in the connector terminals. |
| No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively. |
Defective developing PWB Y. |
| C7950 |
High voltage control PWB error |
Poor contact in the connector terminals. |
| A communication error from high voltage control PWB is detected 10 times in succession |
Defective PWB. |
| C8020 |
Punch motor problem (optional 3000sheet document finisher) The error signal of the punch motor is detected for more than 500 ms while the punch motor is operating. |
Poor contact in the connector terminals. |
| Defective punch motor. |
| Defective PWB. |
| C8030 |
Tray upper limit detection problem (optional document finisher) |
The tray upper limit sensor, paper surface sensor 1/2 connector makes poor contact. |
| When the tray elevation motor raises a tray, the ON status of the tray upper limit sensor is detected. |
Defective tray upper limit sensor, paper surface sensor 1/2. |
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Defective finisher main PWB. |
| C8040 |
Belt problem (optional document finisher) |
The belt sensor, belt solenoid connector makes poor contact. |
| The belt sensor does not turn on/off within specified time of the belt solenoid turning on. |
Defective belt sensor. |
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Defective belt solenoid. |
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Defective finisher main PWB. |
| C8050 |
Paper conveying belt motor 1 problem (optional 3000-sheet document finisher) Paper conveying belt home position sensor 1 does not turn off within 1.5 s. Paper conveying belt home position sensor 1 does not turn on within 2.5 s. Jam 88 is indicated. |
Poor contact in the connector terminals. |
| Defective paper conveying belt home position sensor 1. |
| Defective paper conveying belt motor 1. |
| Defective PWB. |
| C8060 |
Paper conveying belt motor 2 problem (optional 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| Paper conveying belt home position sensor 2 does not turn off within 1.5 s. Paper conveying belt home position sensor 2 does not turn on within 1.5 s. |
Defective paper conveying belt home position sensor 2. |
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Defective paper conveying belt motor 2. |
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Defective PWB |
| C8070 |
Inner tray communication error (optional 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| Communication with the inner tray is not possible although the connection is detected. |
Defective PWB. |
| C8140 |
Main tray problem (optional 3000sheet document finisher) |
Poor contact in the connector terminals. |
| The main tray is not detected by the main tray upper limit detection sensor or the main tray paper upper surface detection sensor within 20 s since the tray has started ascending. The main tray upper limit detection sensor or the main tray paper upper surface detection sensor is not detected to be turned off in 20 s after the main tray has descended. The main tray low limit detection sensor is not detected to be turned on in 20 s after the main tray has descended. During main tray ascent, the main tray upper limit detection sensor or the main tray paper upper surface detection sensor stays on for more than 2 s. Tray elevation motor problem (optional document finisher) The tray low limit sensor or paper surface sensor 1/2 cannot be detected to be on within 10 s since the tray elevation motor is activated. |
Defective main tray motor. |
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Defective main tray upper limit detection sensor/main tray paper upper surface detection sensor/main tray lower limit detection sensor. |
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Defective finisher main PWB. |
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The tray elevation motor connector makes poor contact. |
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The tray elevation motor malfunctions. |
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The tray lower limit sensor, paper surface sensor 1/2 connector makes poor contact. |
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Defective tray lower limit sensor, paper surface sensor 1/2. |
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Defective finisher main PWB. |
| C8170 |
Side registration motor 1 problem (optional 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| When operation returned to a home position is performed at the time of initial operation and a home position is not detected even if 3 s passed. Jam 88 is indicated. |
Defective side registration motor 1. |
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Defective PWB. |
| C8180 |
Side registration motor 2 problem (optional 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| When operation returned to a home position is performed at the time of initial operation and a home position is not detected even if 3 s passed. Jam 88 is indicated. |
Defective side registration motor 2. |
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Defective PWB |
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| C8210 |
Stapler moving motor 1 error (optional 3000-sheet document finisher) When operation returned to a home position is performed at the time of initial operation and a home position is not detected even if 1.5 s passed. Stapler problem (optional document finisher) Jam 82 is indicated. |
Poor contact in the connector terminals. |
| Defective stapler moving motor 1. |
| Defective finisher main PWB. |
| The stapler connector makes poor contact. |
| The stapler is blocked with a staple. |
| The stapler is broken. |
| Defective finisher main PWB. |
| C8220 |
Stapler moving motor 2 error (optional 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| When operation returned to a home position is performed at the time of initial operation and a home position is not detected even if 3.5 s passed. |
Defective stapler moving motor 2. |
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Defective staple relay PWB. |
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Defective finisher main PWB. |
| C8230 |
Stapler motor problem (optional 3000sheet document finisher) |
Poor contact in the connector terminals. |
| Jam 82 is indicated. |
Defective stapler motor. |
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Defective staple relay PWB. |
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Defective finisher main PWB. |
| C8300 |
Center-folding unit communication error (optional center-folding unit of 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| Communication with the center-folding unit is not possible although the connection is detected. |
Defective centerfold set switch. |
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Defective centerfold main PWB. |
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Defective finisher main PWB. |
| C8310 |
Centerfold side registration motor 2 problem (optional center-folding unit of 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| The home position is not detected when initial operation even if 1 s passed. |
Defective centerfold side registration motor 2. |
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Defective PWB |
| C8320 |
Centerfold paper conveying belt motor problem (optional center-folding unit of 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| The home position is not detected when initial operation even if 2.5 s passed. |
Defective centerfold paper conveying belt motor 1/2. |
| Adjustment motor 2 problem (optional document finisher) The adjustment sensor 2 does not turn on/off within specified time of the adjustment motor 2 turning on. |
Defective PWB |
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The adjustment sensor 2, adjustment motor 2 connector makes poor contact. |
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Defective adjustment sensor 2. |
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Defective adjustment motor 2. |
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Defective finisher main PWB. |
| C8330 |
Blade motor problem (optional center-folding unit of 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| The home position is not detected when initial operation even if 1.5 s passed |
Defective blade motor. |
| Adjustment motor 1 problem (optional document finisher) The adjustment sensor 1 does not turn on/off within specified time of the adjustment motor 1 turning on. |
Defective PWB |
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The adjustment sensor 1, adjustment motor 1 connector makes poor contact. |
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Defective adjustment sensor 1. |
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Defective adjustment motor 1. |
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Defective finisher main PWB. |
| C8340 |
Centerfold staple motor problem (optional center-folding unit of 3000sheet document finisher) |
Poor contact in the connector terminals. |
| Jam 89 is indicated. |
Defective centerfold staple motor. |
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Defective PWB. |
| C8350 |
Centerfold side registration motor 1 problem (optional center-folding unit of 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| The home position is not detected when initial operation even if 1 s passed. |
Defective centerfold side registration motor 1. |
| Roller motor problem (optional document finisher) |
Defective PWB. |
| The roller sensor does not turn on/off within specified time of the roller motor turning on. |
The roller sensor, roller motor connector makes poor contact. |
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Defective roller sensor. |
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Defective roller motor. |
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Defective finisher main PWB. |
| C8360 |
Centerfold main motor problem (optional center-folding unit of 3000sheet document finisher) |
Poor contact in the connector terminals. |
| The motor lock signal is detected above 1 s during driving the centerfold main motor. |
Defective centerfold main motor. |
| Slide motor problem (optional document finisher) |
Defective PWB. |
| The slide sensor does not turn on/off within specified time of the slide motor turning on. |
The slide sensor, slide motor connector makes poor contact. |
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Defective slide sensor |
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Defective slide motor. |
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Defective finisher main PWB. |
| C8440 |
Sensor adjusting problem (optional document finisher) |
The paper entry sensor connector makes poor contact. |
| The sensor cannot be adjusted within the specified range. |
Defective paper entry sensor. |
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The optical path of the paper entry sensor is blocked by foreign matter. |
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Defective finisher main PWB. |
| C8460 |
EEPROM problem (optional document finisher) |
Defective EEPROM or finisher main PWB. |
| Reading from or writing to EEPROM cannot be performed. |
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| 8500 |
Mailbox communication error (optional mailbox of 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| Communication with the mailbox is not possible although the connection is detected. |
Defective PWB. |
| C8510 |
Mailbox drive motor problem (optional mailbox of 3000-sheet document finisher) The motor lock signal is detected above 500 ms during driving the mailbox drive motor. |
Poor contact in the connector terminals. |
| Defective mailbox drive motor |
| Defective PWB. |
| C8800 |
Document finisher communication error (optional 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| A communication error from document finisher is detected 10 times in succession. |
Defective PWB. |
| C8900 |
Backup memory data problem (optional 3000-sheet document finisher) |
Poor contact in the connector terminals. |
| Read and write data does not match 3 times in succession. |
EEPROM installed incorrectly. |
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Defective finisher main PWB. |
| C8910 |
Backup memory data problem (optional of 3000-sheet document finisher) |
Poor contact in the connector terminals |
| Read and write data does not match 3 times in succession. |
Defective punch PWB. |
| C8930 |
Backup memory data problem (optional center-folding unit of 3000sheet document finisher) |
Poor contact in the connector terminals |
| Read and write data does not match 3 times in succession. |
EEPROM installed incorrectly. |
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Defective centerfold main PWB. |
| C9000 |
DP communication problem (optional DP) |
Poor contact in the connector terminals. |
| A communication error is detected. |
Defective PWB. |
| C9010 |
Coin vender communication error |
Poor contact in the connector terminals. |
| A communication error from coin vender is detected 10 times in succession. |
Data setting failure. |
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Defective coin vender control PWB. |
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Defective main PWB. |
| C9040 |
DP lift motor going up error (optional DP) |
Loose connection of the DP lift motor connector. |
| The tray upper limit switch does not turn on within 2 s of DP lift motor turning on. |
Malfunction of the DP lift motor. |
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Loose connection of the tray upper limit switch connector. |
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Malfunction of the tray upper limit switch. |
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Defective DP driver PWB. |
| C9050 |
DP lift motor going down error (optional DP) |
Loose connection of the DP lift motor connector. |
| The tray lower limit switch does not turn on within 2 s of DP lift motor turning on. |
Malfunction of the DP lift motor. |
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Loose connection of the tray lower limit switch connector. |
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Malfunction of the tray lower limit switch. |
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Defective DP driver PWB. |
| C9060 |
DP EEPROM error (optional DP) |
Defective DP main PWB. |
| Read and write data does not match. Data in the specified area of the backup memory does not match the specified values. |
Device damage of EEPROM. |
| C9070 |
Communication problem between DP and SHD (optional DP) |
Loose connection of the SHD PWB. |
| A communication error is detected. |
Defective SHD PWB. |
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| C9080 |
Communication problem between DP and CIS (optional DP) |
Loose connection of CIS. |
| A communication error is detected. |
Defective CIS. |
| C9500 ... C9550 |
Contact the Service Administrative Division. |
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| F000 |
Operation panel PWB communication error |
Firmware upgrade error |
| Defective main PWB. |
| Defective main operation panel PWB. |
| F040 |
Engine PWB communication error |
Firmware upgrade error |
| Defective main PWB. |
| Defective engine PWB. |
| F041 |
Scanner PWB communication error |
Defective main PWB. |
| Defective ISM PWB. |
| F050 |
Engine ROM checksum error |
Defective engine PWB |
| F090 |
Fax control PWB communication error |
Defective main PWB. |