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C6753 (bizhub 4750i/4050i)
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Contents
| Trouble type | C6753: ASIC clock input error (back side) |
| Rank | C |
| Trouble detection condition | When starting the machine, verification on reading and writing the predetermined value for CPU (image processing section) on CPU board (CPUB) was conducted, and verification failure was detected. |
| Trouble isolation | Scanner |
| Relevant electrical parts | -DF CIS module (DF CIS) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the connector between DF CIS-DFCISRYB CN1 for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- Replace the DF CIS module assy. (Part# AAJNR70900)
- Replace CPUB. (Part# ACT9H01003)
- Replace BASEB.
4750i (Part# ACT9H02013)
4050i (Part# ACT9H02002)