C0103 (bizhub 4750i/4050i)

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Contents

Trouble type	C0103: Tray 2 drive motor malfunction (When PF-P20 or PF-P21 is installed)
Rank	B
Trouble detection condition	The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning.
Trouble isolation	Tray 2
Relevant electrical parts	<When PF-P20 or PF-P21 is installed> -Tray 2 drive motor (M1/2) -Tray 2 PC control board (PCCB/2) -CPU board (CPUB) -Base board (BASEB)

Procedure

1. Check the connector between M1/2-PCCB/2 CN4 for proper connection and correct as necessary.
2. Check the connector between PCCB/2 CN1-relay CN24-BASEB CN21E for proper connection and correct as necessary.
3. Check the connector of M1/2 for proper drive coupling and correct as necessary.
4. Check CPUB for proper installation and correct as necessary.
5. M1/2 load check
   • Check code: 28
   • Multi code: 1, 2
   • Control signal: PCCB/2 CN4-1 to 7
   • Location of electrical component: 18-P
6. Replace M1/2. (M1 Part# A011M10001)
7. PCCB/2 F1 conduction check
8. Replace PCCB/2. PF-P21 (Part# AAJUH00100)
9. Replace CPUB. (Part# ACT9H01003)
10. Replace BASEB.
    4750i (Part# ACT9H02013)
    4050i (Part# ACT9H02002)

(Link to the Field Service Manual)