C9404 – (bizhub 364e/284e/224e)
Contents
| Trouble type | CIS LED lighting abnormally | |
| Trouble code | C9404 | |
| Rank | A | |
| Detection timing | <When DF-701 is installed> After a scan job is completed, the machine detected that the average output of the CIS LED is greater than the specified value. | |
| Trouble isolation | Scanner | |
| Relevant electrical parts | • CIS module (CIS) • CIS power supply (CISPU) • Dual scan image processing board (DSIPB) • MFP board (MFPB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connection between SCDB-LU201, and correct if necessary. | – | – |
| 2 | Check the connector between SCDB PJ2-PRCB CN43 for proper connection and correct as necessary. | – | – |
| 3 | Check the connector between CCDB PJ3-MFPB PJ01 for proper connection and correct as necessary. | – | – |
| 4 | Replace the LED exposure unit (Part# A61FM31100) | – | – |
| 5 | Replace CCDB (Part# A61FR72100) | – | – |
| 6 | SCDB F1 conduction check | – | – |
| 7 | Replace SCDB (Part# A5C1H01A11) | – | – |
| 8 | Replace PRCB (Part# A61FH00101) | – | – |
| 9 | Replace MFPB (Part# A61FH02005) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.80. C9401, C9402)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.13.1 (Link to the Field Service Manual)