Ricoh Aficio MPC3503SP Error Codes
Drum transfer motor: Lock Lock signals are observed at 2 sec intervals during motor ON, and a High level is detected at least 20 times.
• Motor defective • Connector disconnected • Harness broken • IOB defective • Unit torque increased
• Replace the motor • Reconnect the connector • Replace the harness • Replace the IOB • Check the load on the motor (PCDU, Image transfer unit, Paper transfer unit, Waste toner bottle). • Replace the PCDU, Image transfer unit, Paper transfer unit or Waste toner bottle.