Trouble type • C5102: Transport motor failure to turn

• C5103: Transport motor turning at abnormal timing

Rank B

Trouble detection condition • C5102: The motor lock signal remains HIGH for a predetermined continuous period of time while the motor

is turning.

• C5103: The motor lock signal remains LOW for a predetermined continuous period of time while the motor

remains stationary.

Trouble isolation -

Relevant electrical parts • Transport motor (M1)

• MFP board (MFPB)

(2) Procedure

1. Check the connector between M1-MFPB CN8E for proper connection and correct as necessary.

2. Check the loading status of the transfer belt drive, and correct the error as necessary.

3. M1 operation check

• Control signal: MFPB CN8E-3 (REM), MFPB CN8E-6 (LOCK)

• Location of electrical component: 2-C

4. Replace M1.

5. Replace MFPB.