Ricoh Printer Error Codes: What They Mean and How to Fix Them

Ricoh printers are known for their reliability and performance, but like any sophisticated device, they can sometimes display error codes that interrupt normal operations. Understanding these codes is the first step toward resolving issues quickly and avoiding unnecessary downtime. In this article, we’ll cover some of the most common Ricoh printer error codes, their meanings, and practical solutions.

1. SC541 – Fusing Temperature Warm-Up Error

What It Means:
This error indicates that the printer’s fuser unit failed to heat up to the required temperature within a specific time.

How to Fix It:

• Turn off the printer and let it cool for 10–15 minutes.

• Turn it back on and see if the error clears.

• If the error persists, the fuser unit or thermistor may need to be replaced. Contact a Ricoh service technician.

2. SC542, SC543, SC544 – Fusing Temperature Errors (Overheating or Not Heating)

What It Means:
These codes relate to various fuser temperature malfunctions, such as overheating or sensor failures.

How to Fix It:

• Power cycle the printer.

• Ensure proper ventilation and that the machine isn’t overheating due to external heat sources.

• If recurring, service is required to check or replace the fuser, thermistor, or heating lamp.

3. SC899 – Software/Application Error

What It Means:
The printer encountered a software crash or an incompatible print job, often related to corrupted files or network data.

How to Fix It:

• Cancel all print jobs from the printer and the computer.

• Reboot the printer.

• Update the printer firmware to the latest version.

• Avoid printing from problematic applications (e.g., corrupted PDFs or outdated drivers).

4. SC990 – Controller Self-Diagnostic Error

What It Means:
This error typically occurs due to a controller board issue or faulty firmware.

How to Fix It:

• Turn off the printer and disconnect it from the network.

• Turn it back on and test with a basic local print job.

• If the error returns, reinstall or update the firmware. A hardware inspection may be necessary.

5. SC101 – Scanner Lamp or Scanner Unit Error

What It Means:
The scanner unit failed to initialize properly, possibly due to a faulty lamp or obstruction.

How to Fix It:

• Turn off the printer, wait for a minute, and restart.

• Check the scanner area for any physical obstructions or debris.

• If the problem continues, the scanner lamp or related components may need repair or replacement.

6. SC320 – Polygon Mirror Motor Error

What It Means:
The laser unit’s polygon mirror motor did not reach the required speed, affecting image formation.

How to Fix It:

• Power cycle the printer.

• If the error remains, the laser unit or motor may be defective and will need replacement by a technician.

7. SC202 – Laser Synchronization Error

What It Means:
This error means the laser beam synchronization failed.

How to Fix It:

• Restart the device.

• Check for firmware updates.

• If unresolved, the laser sync detector or laser unit may be faulty.

General Fixes for Minor or Unknown Errors

If you encounter a code not listed above or a non-critical error, try the following steps:

• Reboot the printer: Always start by turning the printer off and on.

• Reset the error code:

  1. Turn off the printer.

  2. Hold down the “Clear/Stop” button while turning the machine back on.

  3. When the service menu appears, enter SP5-810-001 and set it to 0 to reset some errors (use only if trained or under guidance).

• Check cables and connections to ensure the machine is properly communicating with your computer or network.

• Update drivers and firmware from Ricoh’s official support site.

When to Call for Service

If basic troubleshooting doesn’t resolve the issue, or the same error keeps appearing, it’s best to contact an authorized Ricoh service technician. Continuing to operate a malfunctioning printer could lead to more serious damage.

Conclusion

Ricoh printer error codes are designed to alert users to specific issues, helping with quick identification and resolution. While many problems can be fixed with a simple reboot or driver update, some require professional attention. Understanding these codes empowers users to maintain printer uptime and minimize disruptions in the office.