How Can We Help?
C720B (bizhub C750i)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
Trouble type | C720B: 1st transfer pressure clutch failure |
Rank | C |
Trouble detection condition | After starting the clutch, an error is detected for the malfunction detection signal. |
Trouble isolation | – |
Relevant electrical parts | -1st transfer pressure clutch (CL5) -Expansion control board (EXCB) |
Procedure
- Check the connector between CL5-relay CN118-EXCB CN14EX for proper connection and correct as necessary.
- Check the connector of CL5 for proper drive coupling and correct as necessary.
- CL5 conduction check.
- Control signal: EXCB CN14EX-9 (REM)
- Location of electrical component: 17 to 18-P
- Replace CL5. (Part# A64JM20000)
- Replace EXCB. (Part# ACKNH02101)