C8101 (bizhub 558/458)
Contents
Trouble type | C8101: Before reading pressure welding alienation mechanism |
Rank | B |
Trouble detection condition | • During a pressure motion being performed, the document reading sensor (PS6) output does not change from H to L. • During a retraction motion being performed, the document reading sensor (PS6) output does not change from L to H. |
Trouble isolation | – |
Relevant electrical parts | • Reading roll release motor (M4) • Document reading sensor (PS6) • DF control board (DFCB) |
Procedure
- Check the connector between M4-DFCB J18 for proper connection and correct as necessary.
- Check the connector of M4 for proper drive coupling and correct as necessary.
- Check the connector between PS6-DFCB J10 for proper connection and correct as necessary.
- PS6 I/O check, sensor check
- Control signal: DFCB J10-3 (ON)
- Location of electrical component: DF-704 2-G
- M4 operation check
- Control signal: DFCB J18-4 to 5
- Location of electrical component: DF-704 1-G
- Replace M4. (Part# A3CEPP5700)
- Replace DFCB. (Part# A85GPP0M00)
NOTICE
- Link to the wiring diagram (DF-704)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.21.1 (Link to the Field Service Manual)