SC385 ID Sensor VSG Adjustment Error
SC386 Data Transmission Time Out (Hard Disk
Write)
Amount of Toner on Sensor Pattern Too
Low During ID Pattern Measurement
Development Gamma Error (Black)
SC387 Development Gamma Error Yellow
Drum Potential Error
SC388 Data Transmission Time Out (Hard Disk
Read)
Development Gamma Error (Cyan)
SC389 Development Gamma Calculation Error
Development Gamma Error (Magenta)
SC390 CRC Error/TD Sensor Adjustment Error
Development Bias Output Error
SC391 Image Storage Address Error
Development Bias Leak
Charge AC Output Error
SC392 TD Sensor Initial Setting Error
SC395 Development Output Abnormal
SC400 Transfer Roller Leak Error
Image Transfer Belt Bias Error
SC401 Transfer Output Abnormal
SC401-
1
Transfer Roller Leak Detected
SC401-
2:
Transfer Roller Leak
Open Error
SC402 Transfer Roller Leak
Open Error
Image Transfer Belt Lubricant Brush
Current Leak
SC403 Transfer Belt Position Sensor Error
SC405 Transfer Belt Position Abnormal
SC406 Transfer Roller Position Abnormal
SC410 Paper Separation Current Leak
SC411 Separation Bias Leak Error
Paper Discharge Leak
SC420 Cleaning Motor Lock
SC422 PCC Leak
SC430 Quenching Lamp Error
SC440 Main Motor Lock/Drum Motor Lock
SC441 Development Motor Lock
Drum Peripheral Component Motor Lock
SC450 Paper Transfer Bias Current Leak
SC451 Paper Transfer Belt Motor Lock

SC452 Transfer Belt Mark Detection Error
SC455 Paper Transfer Belt Discharge Corona
Current Leak
SC456 Paper Transfer Unit Position Error
SC457 Image Transfer Belt Cleaning Unit Position
Error
SC460 Thermistor1 Temperature Error
SC461 Thermistor 2 Error
(-001:open circuit)
(-002:short circuit)
SC471 Transfer Belt H.P. Sensor Error
SC490 Toner Supply Motor Leak
Exhaust Fan Motor Lock
Main Fan Abnormal
Transfer Bias Paper Attraction Roller Bias
Leak Error
SC492 Cooling Fan Motor Lock
SC493: Exhaust Fan Motor Lock
SC494 Fuser Exhaust Fan Motor Lock
SC495 Toner Recycling Unit Error
Humidity Sensor
Temperature Detection Error
SC496 Toner Collection Bottle Error
Humidity Sensor Error
SC497 Toner Recycling Motor Error
Toner Collection Motor Error
SC500 Main Motor/Transport Motor Lock/Fusing
Motor Error
SC501 Drawer 1 Lift Motor Malfunction
1st Paper Tray Error
SC502 2nd (or 1st) Tray Lift Motor Malfunction
2nd Paper Tray Error
SC503 Drawer 3 (or 2nd) Lift Motor Malfunction
3rd Paper Tray Error
SC504 Drawer 4 (or 3rd) Lift Motor Malfunction
4th Paper Tray Error
SC505 LCC Tray Malfunction (Optional LCC)
SC506 Paper Tray Motor Lock
SC507 LCT Main/Feed Motor Lock
SC508 Rear Fence Drive Error
SC509 Drawer 3 LCT Right Fence Error
Side Fence Error
SC510 LCT Lower Limit Error
Paper Feed Motor Locks
SC511 LCC Motor Lock (Optional LCC

SC515 Drawer Left Guide Drive Motor M17 Error
Tandem Rear Fence Motor Error
SC516 Drawer 1 Side Guide Motor Error
SC520 Paper Tray Error/Duplexer Jogger Drive
Motor Error 1
SC521 Duplexer Jogger Drive Motor Error 2
SC522 Duplex-Side Fence Jogger HP Error
SC524 Duplex-End Fence Jogger HP Error
SC530 Bypass Feed Motor Lock/fusing Fan Motor
Error
SC531 Fuser/Duplexer Reversing Motor Lock
SC541 Fuser Thermistor Open
Hot Roller Thermistor Open
SC542 Fuser Temperature Warm-up Error
Hot Roller Warm up Error
SC543 Fuser Overheat Error 1 (Software)
Hot Roller Fusing Lamp Overheat
SC544 Fuser Overheat Error 1 (Hardware)
Fuser Low Temperature Abnormal
Hot Roller Fusing Lamp Lower Limit
Temperature Detected
SC545 Fuser Lamp Overheat Error 2
Fuser Ready Temperature Abnormal
Hot Roller Ready Temperature Abnormal
SC546 Fuser Ready Temperature Malfunction
Unstable Fusing Temperature
SC547 Zero Cross Signal Malfunction
Fusing/Hot Roller Temperature Does Not
Increase
SC548 Fusing Installation Error
Fusing Unit Set Error
SC550 Fusing Web End
SC551 Pressure Roller Thermistor Open
SC552 Pressure Roller Warm-up Error
SC553 Pressure Roller Overheat
SC554 Pressure Roller Low Temperature
Abnormal
SC555 Pressure Roller Ready Temperature
Abnormal
SC557 Pressure Roller Temperature Does not
Increase
SC558 Zero Cross Signal Abnormal
SC590 Exhaust/Fusing Fan Motor Error
Used Toner Collection Motor Error
SC591 Toner Supply Motor Error

SC592 Toner Bank Motor Error
SC599 Copy Exit Tray Motor Lock
SC600 Communication Error Between Main
Control And Operation Panel Boards
SC601 Communication Error Between BICU &
MCU/Main Control and Scanner Control
Boards
SC602 Communication Error Between BICU &
HDD Controller/Main Control and Transfer
Belt Motor Drive Boards
SC603 Communication Error within Main Control
Boards
SC604 Serial Signal Error in Main Control Board/
IDU Communication Error
SC605 Communication Error Between Main
Control and IPU Boards
SC610 Communication Time Out Between SBCU/
BICU & ADF
SC611 Communication Break Error Between the
CBCU/BICU & ADF
SC612 Communication Command Error Between
the BICU/SBCU & ADF
SC620 Communication Error Between BICU/
SBCU & RADF 1/Finisher/Communication
Error Between IOB & ADF
SC621 Communication Error Between BICU &
RADF 2
Communication Timeout Error between
SBCU & Finisher/Sorter Communication
Error
SC622 Communication Error Between BICU &
RADF 3/Main Control Board and Display
Editor
SC623 Communication Time Out Error Between
BICU & Paper Tray Unit1-3/Main Control
Board and Projector Unit
SC624 Communication Time Out Error Between
the BICU & LCT/Tray 1-3
SC625 Communication Error Between BICU &
Finisher 1/FPU
SC626: Communication Error Between
BICU & Finisher 2/LCT/Paper Tray Unit
SC627 Communication Break Error Between BICU
& LCT
SC630 CSS (RSS) Communication Error Between
Line Adapter & CSS Center/RDS
Communication Error
SC632 Key/Card Counter Device Error 1
SC633 Key/Card Counter Device Error 2