Fix Ricoh M C250FWB SC300-00 Error | Charge Roller Fault
The SC300-00 error code indicates a high-voltage leak or output error in the charge roller circuit of the Ricoh M C250FWB. Dust buildup on high-voltage terminals or a misaligned drum unit are the most common root causes.
Common causes
- 1Toner dust buildup on high-voltage contact points.
- 2Worn-out primary charge roller (PCR).
- 3Misaligned or improperly installed drum unit.
- 4Faulty High Voltage Power Supply (HVPS) board.
Solutions
Resolving SC300-00 High-Voltage Errors
This code shields internal components when primary drum charging electrical feedback strays outside default limits.
Step-by-Step Fixes:
- Remove Print Cartridges: Open the front door and pull out the drum/toner cartridge assemblies.
- Clean High-Voltage Terminals: Locate the metal contacts inside the frame and on the cartridges; wipe them with a dry micro-fiber cloth.
- Firm Reseating: Reinstall all units ensuring they snap into their locked positions.
Steps to follow
- 1
Power off and open front cover
Turn off the printer and open the front access door to reach the imaging units.
- 2
Clean electrical contacts
Extract the imaging cartridges and gently clean all exposed metal contacts using a lint-free dry cloth.
- 3
Reseat cartridges and test
Reinsert the cartridges securely, close the door, and power on the device to check.
Videos
Frequently asked questions
Yes, as long as the printer is switched off and you use a dry, soft cloth without liquid cleaners.
The affected color drum unit or high-voltage power board may need hardware replacement.