C2350 (bizhub 554e/454e)
Contents
| Trouble type | Toner suction fan’s failure to turn |
| Trouble code | C2350 |
| 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 | • Toner suction fan (FM11) • Extension control board (EXCB) • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connectors between FM11-relay CN62-PRCB CN23 for proper connection, and correct as necessary. | – | – |
| 2 | Check the connectors between PRCB CN10-EXCB CN1 for proper connection, and correct as necessary. | – | – |
| 3 | Check the fan for possible overload and correct as necessary. | – | – |
| 4 | FM11 operation check | PRCB CN23-7 (REM)PRCB CN23-9 (LOCK) | 5-C |
| 5 | Replace FM11 (Part# 9313100072) | – | – |
| 6 | EXCB ICP1 conduction check | – | – |
| 7 | Replace EXCB (Part# A5AYH00501) | – | – |
| 8 | PRCB ICP20 conduction check | – | – |
| 9 | Replace PRCB (554e Part# A61EH00101 / 454e Part# A61DH00101) | – | – |
- Link to the wiring diagram (N.1. bizhub 554e/454e)
- Link to the layout drawings for related parts by each trouble code (S.57. C2350)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.7.1 (Link to the Field Service Manual)