S-1 (bizhub 4750i/4050i)

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Contents

Malfunction type	CCD gain adjustment failure
Malfunction code	S-1
Malfunction detection timing	It is detected that the CCD clamp gain adjustment value is faulty.
Relevant parts	-CIS module (IR CIS) -Base board (BASEB)

Procedure

1. Correct the harness connection between IR CIS-BASEB CN6 if faulty.
2. Correct the harness connection between CISRYB CN2-BASEB CN6 if faulty.
3. Check for possible extraneous light and correct as necessary.
4. Replace IR CIS. (Part# AAJNR71200)
5. Replace BASEB.
   4750i (Part# ACT9H02013)
   4050i (Part# ACT9H02002)

(Link to the Field Service Manual)