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C6102 (bizhub 4750i/4050i)
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Contents
| Trouble type | C6102: Drive system home sensor malfunction |
| Rank | B |
| Trouble detection condition | – The scanner home sensor (PS21) is unable to detect the scanner located at its home position. – The scanner home sensor (PS21) is unable to detect a scanner even when the scanner motor (M9) has been driven to move the scanner over the maximum travelling distance. – The scanner home sensor (PS21) detects the scanner when the scanner has moved the maximum travelling distance from the position, at which it blocks the scanner home sensor (PS21). |
| Trouble isolation | Scanner |
| Relevant electrical parts | -Scanner home sensor (PS21) -Scanner motor (M9) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Correct or change the scanner drive (pulley, gear, belt) if it is faulty.
- Correct the scanner motor set screw if loose.
- Adjust [Image Position: Leading Edge] and [Sub Scan Zoom Adj.].
- Check the connector between M9-BASEB CN9E for proper connection and correct as necessary.
- Check the connector between PS21-BASEB CN8E for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- PS21 I/O check, sensor check
- Control signal: BASEB CN8E-6 (ON)
- Location of electrical component: 23-K
- M9 operation check
- Control signal: BASEB CN9E-1 to 4
- Location of electrical component: 22-K
- Replace CPUB. (Part# ACT9H01003)
- BASEB F10E or F16E conduction check.
- Replace BASEB.
4750i (Part# ACT9H02013)
4050i (Part# ACT9H02002)