C5304 (bizhub 754e/654e)
Contents
| Trouble type | IH power supply cooling fan’s failure to turn |
| Trouble code | C5304 |
| Rank | B |
| Detection timing | The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning. |
| Trouble isolation | – |
| Relevant electrical parts | • IH power supply cooling fan (FM10) • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between FM10-relay CN293-PRCB CN5 for proper connection and correct as necessary. | – | – |
| 2 | Check the fan for possible overload and correct as necessary. | – | – |
| 3 | FM10 operation check | PRCB CN5-1 (DRIVE)PRCB CN5-3 (LOCK) | 9-K |
| 4 | Replace FM10 (Part# 4556M10000) | – | – |
| 5 | PRCB ICP24 conduction check | – | – |
| 6 | Replace PRCB (Part# A55VH00105) | – | – |
- Link to the wiring diagram (N.1. bizhub 754e/654e)
- Link to the layout drawings for related parts by each trouble code (S.84. C5304)
Document Information ID D0001104795 Revise ID R000003
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.10.2 (Link to the Field Service Manual)