| 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. |
| C0060 |
Main PWB type mismatch error |
Defective PWB. |
| 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. |
| C0120 |
MAC address data error |
Defective main PWB. |
| For data in which the MAC address is invalid. |
| C0150 |
Backup memory (EEPROM) device problem (Engine PWB) |
Defective engine PWB. |
| Reading from or writing to EEPROM cannot be performed. |
Device damage of EEPROM. |
| C0160 |
Backup memory (EEPROM) data problem (Engine PWB) |
Data damage of EEPROM. |
| Reading data from EEPROM is abnormal. Read and write data does not match 5 times continuously. |
| C0170 |
Copy counts problem |
Data damage of EEPROM. |
| A checksum error is detected in the main and engine backup memories for the copy counters. |
Defective 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. |
| The engine PWB and the power CPU are unable to communicate with each other. |
| C0420 |
Optional paper feeder communication problem |
Poor contact in the connector terminals. |
| The engine PWB and the paper feeder are unable to communicate with each other. |
Defective PWB. |
| C0620 |
FAX image DIMM problem |
DIMM installed incorrectly. |
| DIMM is not installed correctly. 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. |
| Improper DIMM is installed. |
DIMM of another machine is installed. |
| |
Defective main PWB. |
| C0800 |
Image processing problem |
Defective main PWB. |
| JAM05 is detected twice. |
| C0830 |
Fax control PWB flash program area checksum error |
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. |
| 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. |
| 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 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. |
| |
Poor contact in the connector terminals. |
| |
Defective lift switch 1. |
| |
Defective engine PWB. |
| C1020 |
Lift motor 2 error |
Poor contact in the connector terminals. |
| After cassette 2 is inserted, lift 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. |
| |
Poor contact in the connector terminals. |
| |
Defective lift switch 2. |
| |
Defective engine 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 four times successively. |
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 four times successively. |
Broken gears or couplings of PF lift motor 2. |
| |
Defective PF lift motor 2. |
| |
Defective PF lift switch 2. |
| C2000 |
Main motor problem |
Poor contact in the connector terminals. |
| Stable OFF is detected for 1 s continuously after main motor stability. |
Defective drive transmission system. |
| |
Defective main motor. |
| |
Defective engine PWB. |
| C2200 |
Drum motor problem |
Poor contact in the connector terminals. |
| Stable OFF is detected for 1 s continuously after drum motor stability. |
Defective drive transmission system. |
| |
Defective drum motor. |
| |
Defective engine PWB. |
| C2500 |
Paper feed motor error |
Poor contact in the connector terminals. |
| Stable OFF is detected for 1 s continuously after paper feed motor stability. |
Defective drive transmission system. |
| |
Defective paper feed motor. |
| |
Defective engine PWB. |
| C2600 |
PF paper drive motor error (optional paper feeder) |
Poor contact in the connector terminals. |
| The lock signal of the motor is detected above 500 ms. |
Defective drive transmission system |
| |
Defective PF paper drive motor. |
| |
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. |
| |
Incorrect shading position. |
| |
Defective PWB. |
| C3300 |
Optical system (AGC) problem |
Poor contact in the connector terminals. |
| After AGC, correct input is not obtained at CCD. |
Defective exposure lamp. |
| |
Defective PWB. |
| C3500 |
Communication error between scanner and SHD An error code is detected. |
Poor contact in the connector terminals. |
| Defective PWB. |
| C3900 |
Backup memory read/write problem (scanner PWB) |
Defective backup RAM or PWB. |
| Read and write data does not match. |
| C3910 |
Backup memory data problem (scanner 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 polygon motor does not reach the stable speed within 20 s of the START signal turning on. |
Defective polygon motor. |
| |
Defective engine PWB. |
| C4010 |
Polygon motor steady-state problem |
Poor contact in the connector terminals. |
| Stable OFF is detected for 5 s continuously after polygon motor stability. |
Defective polygon motor. |
| |
Defective engine PWB. |
| C4200 |
BD initialization problem |
Poor contact in the connector terminals. |
| ASIC detects a BD error A for 4 s after the polygon motor rotation has been stabilized. |
Defective polygon motor. |
| |
Defective engine PWB. |
| C6000 |
Fuser heater break |
Defective fuser heater 1 or 2. |
| Fuser thermistor 1 detected less than 40°C/104°F for 14 s during warm-up and ready in. Fuser thermistor 2 detected less than 70°C/158°F for 14 s during warm-up and ready in. |
Installation defectiveness on fuser thermistor 1 or 2. |
| |
Defective fuser thermostat. |
| |
Defective PWB. |
| C6020 |
Abnormally high fuser thermistor center temperature |
Installation defectiveness on fuser thermistor 2. |
| Fuser thermistor 2 is detected 230°C/ 446°F or more for 40 ms. |
Defective fuser thermistor 2. |
| |
Defective engine PWB. |
| C6050 |
Abnormally low fuser thermistor center temperature |
Defective fuser heater 1 or 2. |
| Fuser thermistor 1 is detected 100°C/ 212°F less then 1 s continuously during copying. |
Installation defectiveness on fuser thermistor 2. |
| |
Defective PWB. |
| C6120 |
Abnormally high fuser thermistor edge temperature |
Installation defectiveness on fuser thermistor 1. |
| Fuser thermistor 1 is detected 240°C/ 464°F or more for 40 ms. |
Defective fuser thermistor 1. |
| |
Defective engine PWB. |
| C6150 |
Abnormally low fuser thermistor edge temperature |
Defective fuser heater 1 or 2. |
| Fuser thermistor 1 is detected 80°C/ 176°F less than 1 s continuously during copying. |
Installation defectiveness on fuser thermistor 1. |
| |
Defective PWB. |
| C6400 |
Zero-cross signal error |
Defective PWB |
| While fuser heater ON/OFF control is performed, the zero-cross signal is not input within 3 s. |
| C6420 |
Fuser unit fuse cut problem |
Poor contact in the connector terminals. |
| The fuse cannot be cut, When replacing the fuser unit, the fuse cannot be cut in 3 s after the fuse cut signal is turned on. |
Fuser unit connector inserted incorrectly. |
| C7000 |
Toner motor problem |
Poor contact in the connector terminals. |
| A motor over-current signal is detected continuously for 1 s or longer |
Broken the gear. |
| |
Defective toner feed motor. |
| |
Defective engine PWB. |
| C7200 |
Broken inner thermistor wire |
Poor contact in the connector terminals. |
| An abnormal value is detected in the input data to inner thermistor. |
Defective temperature sensor. |
| C7300 |
Toner hopper problem |
Poor contact in the connector terminals. |
| Toner emptiness is detected for 300 s, three times during the toner replenishment. |
Defective toner sensor. |
| C7400 |
Developing unit connector insertion problem |
Developing unit connector inserted incorrectly. |
| Absence of the developing unit is detected. |
Defective developing unit connector. |
| C7410 |
Drum unit connector insertion problem Absence of the drum unit is detected. |
Drum unit connector inserted incorrectly. |
| Defective drum unit connector. |
| C7800 |
Broken external thermistor wire |
Poor contact in the connector terminals. |
| The thermistor output value is 4.5 V or more. |
Defective humidity sensor |
| C7900 |
Drum EEPROM error |
Poor contact in the connector terminals. |
| Reading from or writing to EEPROM cannot be performed. |
Defective drum unit. |
| C7910 |
Developing unit EEPROM error |
Poor contact in the connector terminals |
| Reading from or writing to EEPROM cannot be performed. |
Defective developing unit. |
| 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. |
| |
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. |
| |
Defective belt solenoid. |
| |
Defective finisher main PWB. |
| C8140 |
Tray elevation motor problem (optional document finisher) |
The tray elevation motor connector makes poor contact. |
| 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. |
The tray elevation motor malfunctions. |
| |
The tray lower limit sensor, paper surface sensor 1/2 connector makes poor contact. |
| |
Defective tray lower limit sensor, paper surface sensor 1/2. |
| |
Defective finisher main PWB. |
| C8170 |
Finisher front side registration motor problem (optional built-in finisher) |
The front side registration motor connector makes poor contact. |
| When the front-side registration home-position sensor is turned on during initialization, the sensor did not turn on while it has moved by 106 pulses. When the front-side registration home-position sensor is turned off during initialization, the sensor did not turn on in 3 s. |
Defective front side registration motor. |
| |
The front side registration home position sensor connector makes poor contact. |
| |
Defective front side registration home position sensor. |
| |
Defective finisher control PWB. |
| C8180 |
Finisher rear side registration motor problem (optional built-in finisher) |
The rear side registration motor connector makes poor contact. |
| When the rear-side registration home-position sensor is turned on during initialization, the sensor did not turn on while it has moved by 106 pulses. When the rear-side registration home-position sensor is turned off during initialization, the sensor did not turn on in 3 s. |
Defective rear side registration motor. |
| |
The rear side registration home position sensor connector makes poor contact. |
| |
Defective rear side registration home position sensor. |
| |
Defective finisher control PWB. |
| C8190 |
Finisher trailing edge registration motor problem (optional built-in finisher) |
The trailing edge registration motor connector makes poor contact. |
| When the trailing edge registration home-position sensor is turned on during initialization, the sensor did not turn on while it has moved by 106 pulses. When the trailing edge registration home-position sensor is turned off during initialization, the sensor did not turn on in 3 s. |
Defective trailing edge registration motor |
| |
The trailing edge registration home position sensor connector makes poor contact. |
| |
Defective trailing edge registration home position sensor. |
| |
Defective finisher control PWB. |
| C8210 |
Stapler problem (optional document finisher) |
The stapler connector makes poor contact. |
| Jam 82 is indicated. |
The stapler is blocked with a staple. |
| Finisher stapler problem (optional built-in finisher) |
The stapler is broken. |
| The stapler home position sensor does not change state from nondetection to detection within 200 ms of the start of stapler motor counterclockwise (forward) rotation. During initialization, the stapler home position sensor does not change state from non-detection to detection within 600 ms of the start of stapler motor clockwise (reverse) rotation. |
Defective finisher main PWB. |
| |
The stapler connector makes poor contact. |
| |
The stapler is blocked with a staple. |
| |
The stapler is broken. |
| |
Defective finisher control PWB. |
| C8320 |
Adjustment motor 2 problem (optional document finisher) |
The adjustment sensor 2, adjustment motor 2 connector makes poor contact. |
| The adjustment sensor 2 does not turn on/off within specified time of the adjustment motor 2 turning on. |
Defective adjustment sensor 2. |
| |
Defective adjustment motor 2. |
| |
Defective finisher main PWB. |
| C8330 |
Adjustment motor 1 problem (optional document finisher) |
The adjustment sensor 1, adjustment motor 1 connector makes poor contact. |
| The adjustment sensor 1 does not turn on/off within specified time of the adjustment motor 1 turning on. |
Defective adjustment sensor 1 |
| |
Defective adjustment motor 1. |
| |
Defective finisher main PWB. |
| C8350 |
Roller motor problem (optional document finisher) |
The roller sensor, roller motor connector makes poor contact. |
| The roller sensor does not turn on/off within specified time of the roller motor turning on. |
Defective roller sensor. |
| |
Defective roller motor. |
| |
Defective finisher main PWB. |
| C8360 |
Slide motor problem (optional document finisher) |
The slide sensor, slide motor connector makes poor contact. |
| The slide sensor does not turn on/off within specified time of the slide motor turning on. |
Defective slide sensor. |
| |
Defective slide motor |
| |
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. |
| |
The optical path of the paper entry sensor is blocked by foreign matter. |
| |
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. |
| 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. |
| C9000 |
Optional DP communication problem |
Poor contact in the connector terminals. |
| A communication error is detected. |
Defective DP main 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. Data in the specified area of the backup memory does not match the specified values. |
Device damage of EEPROM. |
| C9500, C9510, C9520 |
Contact the Service Administrative Division. |
|
| F000 |
Operation panel PWB communication error |
Defective main PWB. |
| Defective operation panel PWB. |
| F040 |
Engine PWB communication error |
Defective main PWB. |
| Defective engine PWB. |
| F041 |
Scanner PWB communication error |
Defective main PWB. |
| Defective scanner PWB. |
| F050 |
Engine ROM checksum error |
Defective engine PWB. |
| F090 |
Fax control PWB communication error |
Defective main PWB |
| F278 |
Power supply in drive system error |
Main power switch was turned off without using the power key, or a power failure has occurred. |