C6104 (bizhub C368/C308/C258)

Contents

Trouble type	C6104: Back side cleaning home sensor abnormality (initial) (When DF-704 is installed)
Rank	B
Trouble detection condition	• The CIS cleaning sensor (PS7) does not change from H to L even after the lapse of a given period of time after the home position detecting operation is started at the initial operation. • The CIS cleaning sensor (PS7) does not change from L to H even after the lapse of a given period of time after the home position detecting operation is started at the initial operation.
Trouble isolation	Scanner
Relevant electrical parts	• CIS cleaning sensor (PS7) • CIS cleaning motor (M5) • DF control board (DFCB)

 Procedure

1. Check if the opening and closing guide is firmly closed.
2. Check the connector between M5-DFCB J9 for proper connection and correct as necessary.
3. Check the connector of M5 for proper drive coupling and correct as necessary.
4. Check the connector between PS7-DFCB J13 for proper connection and correct as necessary.
5. PS7 I/O check, sensor check
   • Control signal: DFCB J13-3 (ON)
   • Location of electrical component: DF-704 1-G
6. M5 operation check
   • Control signal: DFCB J9-1 to 4
   • Location of electrical component: DF-704 6-G
7. Replace M5.(Part# A3CEPP4A01)
8. 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.3.18.5 (Link to the Field Service Manual)