SC300Ricoh SP 3710DNHas video

Ricoh SP 3710DN Error SC300: High Voltage Charge Fix

Error code SC300 indicates a charge output voltage leakage or failure detected at the primary charge roller in the PCU (Photoconductor Unit).

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Common causes

  • 1Toner buildup on high-voltage bias contacts.
  • 2Damaged primary charge roller inside the PCU.
  • 3High-Voltage Power Supply (HVPS) board fault.
  • 4Incorrectly seated image drum module.

Solutions

Troubleshooting Error SC300

This error occurs when the main high-voltage feedback signal falls out of normal range.

Action Items:

  1. Reseat the Drum/Toner Assembly: Remove and firmly reinsert the PCU assembly to ensure all electrical terminals engage correctly.
  2. Clean High-Voltage Contacts: Dust off toner contamination from the internal high-voltage contacts using a dry micro-fiber cloth.
  3. Replace Drum Unit: If cleaning does not clear the error, the charge roller inside the PCU may be worn or defective.

Steps to follow

  1. 1

    Turn Off Power

    Switch off the printer and open the front access door.

  2. 2

    Remove Imaging Unit

    Pull out the drum and toner cartridge assembly.

  3. 3

    Clean Metal Contacts

    Clean the metal contact points on both the unit and inside the machine frame.

  4. 4

    Reinstall and Restart

    Reinsert the unit firmly, close doors, and switch on the printer.

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Frequently asked questions

Only if the drum unit contacts were disturbed during installation; SC300 specifically targets high-voltage charge generation.

Ricoh SP 3710DN Error SC300: High Voltage Charge Fix | Vimazdev