Fix Ricoh Error SC990: Controller Board Error
critical Severity: critical
If your Ricoh printer is displaying error SC990, do not worry – this is a known issue with a proven fix. This error typically indicates controller board error that can usually be resolved without a service call. Follow the steps below to clear this error.
What Causes Ricoh Error SC990?
This error can be triggered by one or more of the following issues:
- Main controller board failure
- Firmware corruption
- Memory failure on the controller board
How to Fix Ricoh Error SC990
Follow these steps in order. After each step, check whether the error has cleared before proceeding to the next one.
- Step 1: Power cycle the printer
- Step 2: If persistent, the controller board may need replacement
- Step 3: Contact Ricoh authorized service
- Step 4: A firmware reinstallation may resolve software-related causes
Affected Ricoh Printer Models
The following Ricoh printer models are known to display error SC990:
Related Ricoh Error Codes
If you are troubleshooting error SC990, these related error codes may also be relevant:
- SC542 – Fuser Heater Error
- SC543 – Fuser Overheat Error
- SC544 – Fuser Temperature Sensor Error
- SC670 – Main Drive Motor Error
- SC400 – Transfer Belt Error
Frequently Asked Questions
What is SC990?
SC990 indicates a failure on the main controller board. This is a serious hardware error that typically requires professional service.
Can SC990 be caused by a power surge?
Yes, power surges can damage the controller board. Using a surge protector or UPS with your printer is recommended to prevent such damage.
Error still not resolved?
If the steps above did not fix the error, the issue may require professional service. Contact the manufacturer support line or visit an authorized service center near you.