No.

Type

Error Name/Error Condition/Major Cause/Solution

SC491

D

Bias leak

An error signal is detected for 0.2 seconds when changing the development unit.
  • HVP harness damaged and short circuited
  • Defective the HVP
  • AIO terminal damaged and short circuited
  1. Turn the power OFF and ON.
  2. Replace the main board.
  3. Replace the transfer roller.
  4. Replace the interface harness of the HVP.
  5. Replace the HVP.