Ricoh photocopier/printers error codes can be divided into three levels (A, B,C). The “A” level codes have high risk and involve the fusing unit problems. The machine operation is disabled. Only a service engineer should reset and repair this error. The B level errors are caused by one or more specific units. The machine operates as usual, excluding the related units. The C level errors have no effect on machine operation except to display a warning on the control panel. Error levels can be checked in service manuals under “troubleshooting” section.
SC543, SC545 codes:
SC543, SC545 are most common errors in Ricoh products. These errors indicate a problem in fixing temperature or thermistor. It is strongly recommended to call an authorized technician to reset and fix this problem because defected parts must be replaced/repaired before reseting these errors otherwise it may result in fire or other damages.
Error Code List:
Ricoh error codes are generally categorized into 9 categories. Each category starts with a unique number starting from 1 to9. A brief description is given below:
(a). 1xx Series (Scanning Related Problems)
| SC 101 | Exporsure Lamp error |
| SC107 | Scanner Lamp Regulator Malfunction |
| SC120 | Scanner Home position Error |
| SC121 | Scanner home position error 2 |
| SC 122 | Scanner home position error 3 |
| SC 123 | Scanner home position error 4 |
| Sc 124 | Scanner Motor encoder signal error |
| SC 125 | Scanner motor speed error1 |
| SC 126 | Scanner motor speed error2 |
| SC 127 | Scanner motor encoder rotating direction error |
| Sc 128 | Scanner motor start error |
| SC 129 | Scanner motor speed control error |
| Sc 130 | SBU defective error/ Scanner start abnormal |
| SC 131 | F-Gate Asserted during shading |
| SC 142 | White level detection error |
| SC 143 | SBU Auto adjust error |
| SC 144 | SBU Connection error |
| SC 150 | Scanner ROM Mismatch |
| SC 170 | Scanner DA1 Abnormal/Video processing |
| SC 171 | Scanner DA2 abnormal |
| SC 173 | Scanner Lamp regulator adjustment error |
| SC 174 | Scanner DA2 abnormal |
| SC 181 | CIS Lamp abnormal |
| SC 183 | CIS auto adjustment error |
| SC 184 | CIS Transmission error |
| SC 191 | Bar Code Scanning error |
| SC 192 | Automated SBU adjustment error/Bar code number is different |
| SC 193 | Image Transfer Error |
| SC 194 | SBU White level detection |
| SC 195 | DF Gate Assert error |
| SC 196 | DF Gate Negate error |
| SC 197 | DF Gate Error |
| SC 198 | Memory card error |
| SC 199 | DF Scanning finish error |
Troubleshooting Tips:
SC101:Exposure Lamp error:
- Exposure Lamp defective
- Check exposure lamp connections and the stabilizer board.
- Dirty scanner mirror or scanner mirror out of positions.
- SBU board defective
SC143:SBU white/black level correction error:
- Exposure lamp defected.
- Dirty white plate.
- BICU Board defective
SC198:Memory address error:
- The firmware program of the engine and the controller do no match.
- Controller Board defective
(b) 2XX Series For Laser Unit Problems
Code | Possible Cause |
SC201 | Polygon Motor |
SC220 | Laser Sync Detect |
SC221 | Scan length detection |
SC240 | LD Power Supply Excessive |
SC260 | HP Sensor |
SC261 | HP Sensor not turning off |
SC285 | Line position Error |
In some models (AF 2015 etc) 2xx error series does not exist.
(c) 3xx and 4xx Series Image Development Problems.
|
Troubleshooting Tips:
SC302:Charge Roller Current leakage
- Clean the machine well.
- Charge roller damaged.
- Poor connection of the PCU
SC392:Toner density sensor initial setting is not performed correctly.
- No developer
- Developing roller does not turn.
- Development roller coupling gear is not correctly attached.
- Poor connection of PCU
- ID sensor defective
SC402: Transfer roller lead error 2
- High voltage supply board defective
- Transfer/Separation unit set incorrectlyTransfer roller damaged
(d) 5xx Series For Paper Feed and Fusing Problems
Code | Possible Causes |
| SC500 | Main motor/transport motor lock/Fusing motor error |
| SC501 | Drawer 1 lift motor malfunction |
| SC502 | 2nd or 1st tray lift motor malfunction |
| SC503 | Drawer3(or 2nd) lift motor error |
| SC504 | Drawer 4 or 3rd lift motor malfunction |
| SC505 | LCC Tray malfunction |
| SC506 | Paper tray motor lock |
| SC507 | LCT main/feed motor lock |
| SC508 | Rear fence drive motor |
| SC509 | Drawer 3 LCT right fence error |
| SC510 | LCT lower limit error |
| SC511 | LCC motor lock |
| SC515 | Drawer left guide drive motor error, Tandem rear fence motor error |
| SC516 | Drawer 1 side guide motor error |
| SC520 | Paper tray error/Duplexer jogger drive motor error |
| SC521 | Duplexer jogger driver 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 error |
| SC541 | Fuser thermistor open/ Hot Roller thermistor open |
| SC542 | Fuser Temperature warm-up error |
| SC543 | Fuser overheat error1 |
| SC544 | Hot roller fusing lamp lower limit temperature detected |
| SC545 | Fuser lamp overheat error 2 |
| SC546 | Fuser ready temperature malfunction |
| SC547 | Zero cross signal malfunction/ Fusing temperature does not increase |
| SC548 | Fusing installation 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 |
Troubleshooting Tips:
SC500:Too much load on the drive mechanism
- Some gears or other rotating parting has been jammed.
- Developing unit is over toned.
- Main motor or its driving board is defective.
Before replacing motors or sensors, first check the mechanical load.
SC 541:Fusing thermistor open:
- Machine is plugged into low line voltage.
- Fixing thermistor is defective or out of position.
- Some loose connection
- Power Supply board defective
SC590:Left exhaust fan motor error
- Loose connection of the exhaust fan motor.
- Too much dust in the fan causing too much load on the motor driver.
(e) 6XX: Communication errors
| Code | Possible Cause |
| SC600 | Communication Error Between Main Control and Operation Panel Boards |
| SC634 | Key/ Card Counter Device Error |
| SC636 | Communication Error Between BICU & Paper Feed Control PWA |
| SC696 | Communication Error Between Engine Boad and Finisher |
Troubleshooting Tips:
SC621:ADF connection error
- An incorrect ADF is installed on the machines.
- The connector of the ADF is removed while the machine is in the energy save mode.
(f) 7XX: Peripherals Problems
| Code | Possible Cause |
| SC700 | RADF Original Pickup Malfunction |
| SC702 | RADF Feed Motor Lock |
| SC703 | RADF Transport Motor Lock |
| SC704 | RADF Original Exit Motor Lock |
| SC705 | RADF Bottom Plate Motor |
| SC721 | Sorter Bin Motor |
| SC722 | Finisher/Sorter Jogger Motor |
| SC727 | Finisher Stapler Rotation error |
| SC728 | Finisher paper stack height error |
| SC733 | Finisher Lower Tray lift Motor |
| SC760 | ADF Gate Abnormal |
| SC770 | Display Editor Abnormal |
Troubleshooting Tips:
SC700:ADF pickup problem
- Home sensor is defective
- ADF board or pickup roller mechanism is defective.
SC733:Finisher lower tray lift motor
- stack height sensor or lower tray limit sensor may cause this problem
(g) 8XX: Controller Errors
| Code | Possible Cause |
| SC800 | Startup Without Video output End |
| SC804 | Startup Without Video Input End |
| SC818 | Watchdog Error, Software Malfunction |
| SC819 | Kernel Mismatch, Download Firmware again |
| SC820 | Self Diagnostic Error,Download Firmware again |
| SC855 | Wireless LAN card problem detected |
| SC857 | USB Interface Error Detected |
| SC868 | Incorrect Data is detected in the SD card |
| SC870 | Address Book Data stored on the hard disk was abnormal |
Troubleshooting Tips:
SC 826:Self diagnostic error:
NVRAM on the controller board is defective and must be replaced.
SC855:Wireless LAN card error
- Poor Connections between LAN card and the printer
- Defective controller board.
- Defective wireless LAN card.
Disclaimer:
Please note that this detail is just for information. Do not try to repair a machine if you are not a qualified technician. Technicians should also not take this information as a substitute of technician manuals.