C5603 (bizhub C554/C454)
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Contents
| Trouble type | Expansion control board communication error |
| Trouble code | C5603 |
| Rank | C |
| Detection timing | Communication error is detected in expansion control board. |
| Trouble isolation | – |
| Relevant electrical parts | -Expansion control board (EXCB) -Front side board (FRB) -PH unit -Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Reboot the machine. | – | – |
| 2 | Check the connector between EXCB-PRCB for proper connection and correct as necessary. | – | – |
| 3 | Check the connector between FRB CN5-PH unit for proper connection and correct as necessary. | – | – |
| 4 | Check the connector between FRB CN2-PRCB CN8 for proper connection and correct as necessary. | – | – |
| 5 | Replace EXCB (Part# A2XKH00502) | – | – |
| 6 | Replace FRB (Part# A161H00501) | – | – |
| 7 | Replace PH unit (C554 Part# A2XKR70422 / C454 Part# A4FJR70122) | – | – |
| 8 | Replace PRCB (C554 Part# A2XKH00104 / C454 A4FJH00104) |
K3.10.12 (Link to the Field Service Manual)