C0120 Error Code Related to a Drum EEPROM Error
Below you will find information related to the C0120 Error Code. This error happens when the machine has a problem communicating with drum unit. Also, below you will find links to order in a replacement drum unit and at the bottom of the article you will find a link to the replacement instructions that will help with some of the troubleshooting tips listed below.
Service Manual Advice for the C0120 Error Code
C0120 Drum EEPROM error
Description : Reading from or writing to EEPROM cannot be performed.
1. Poor contact in the connector terminals.
Check the connection of connector on the engine PWB and the continuity across the connector terminals.
Repair or replace if necessary.
2. Defective drum unit.
Replace the drum unit.
Click on the link below to find the Drum unit replacement instructions.