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According to the service manual,
Code: C5102
Code
C5102
Description
Transport motor's failure to turn
• The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
Remedy
1 Check the M1 connector for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 Check the PRCB connector for proper connection and correct as necessary. 4 M1 operation check. 5 Change M1. 6 Change PRCB.
The technical sites say that there is probably a paper jam. If the jam is cleared but the error persists, the transport motor will probably need to be replaced. This motor has a pretty high failure rate. A qualified copier technician should be able to change it out in 30-60 minutes.
Transport motor dealing with the duplexer which helps with making double side copies, your right side of the machine the cover has to opening outer open section is causing the problem check it and have a tech come out and check it.
hi tracey, 5102 is a main motor failure, it is possible for there to be paper jammed tight in the fuser unit, if not this will pretty much be guaranteed to be the main motor
Main motor malfunction
- The main motor (M1) lock signal remains HIGH for a continuous 1-sec. a period at any time 1 sec. after the main motor has started turning.
Remedy
1 Check the connector between M1-PRCB CN6 for proper connection and correct as necessary.
2 Check M1 for correct drive coupling and correct as necessary.
3 M1 operation check.
4 Change PRCB.
5 Change DCPU.
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If this error code show at power up, this mean the main motor has failed and need to be replaced, but if you already did that this mean you may need and the board PWB-M.
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