C8103 (bizhub 750i)

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Contents

Trouble type	C8103: Lift up mechanism trouble (Upward movement)
Rank	B
Trouble detection condition	The DF lift-up upper limit sensor (PS2) is not turned ON (blocked) after a lapse of a given time after the DF lift-up motor (M5) moves up (is turned forward).
Trouble isolation	DF
Relevant electrical parts	-DF lift-up motor (M5) -DF lift-up upper limit sensor (PS2) -DF control board (DFCB)

Procedure

1. Check the connector between M5-DFCB CN9 for proper connection and correct as necessary.
2. Check the connector of M5 for proper drive coupling and correct as necessary.
3. Check the connector between PS2-DFCB CN5A for proper connection and correct as necessary.
4. PS2 I/O check, sensor check
   • Control signal: DFCB CN5A-6 (ON)
   • Location of electrical component: DF 8-J
5. M5 load check
   • Check code: 60
   • Multi code: 97, 98
   • Control signal: DFCB CN9-1 to 5
   • Location of electrical component: DF 5-C
6. Replace M5. (Part# AAMPR70700)
7. DFCB ICP5 conduction check
8. Replace DFCB. (Part# AAMPH00105)

(Link to the Field Service Manual)