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C3104 (bizhub 750i)
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Contents
Trouble type | C3104: Fusing shutter failure |
Rank | B |
Trouble detection condition | -The fusing shutter home sensor (PS47) is not turned OFF (unblocked) even after the lapse of a predetermined period of time after the fusing shutter motor (M15) is activated when the shutter is completely opened. -The fusing shutter home sensor (PS47) is not turned ON (blocked) even after the lapse of a predetermined period of time after the fusing shutter motor (M15) is activated when the shutter is completely closed. |
Trouble isolation | – |
Relevant electrical parts | -Fusing shutter motor (M15) -Fusing shutter home sensor (PS47) -Expansion control board (EXCB) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the connector between M15-relay CN164-EXCB CN14EX for proper connection and correct as necessary.
- Check the connector of M15 for proper drive coupling and correct as necessary.
- Check the connector between PS47-relay CN9-EXCB CN13EX for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- PS47 I/O check, sensor check
- Control signal: EXCB CN13EX-12 (ON)
- Location of electrical component: 16-X
- M15 load check
- Check code: 45
- Multi code: 10, 11
- Control signal: EXCB CN14EX-15 to 18
- Location of electrical component: 18-P
- Replace M15. (Part# A7PUM10700)
- Replace EXCB. (Part# AC74H00501)
- Replace CPUB. (Part# ACV7H02P02)
- Replace BASEB . (Part# ACV7H02101)