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C5355 (bizhub C759/C659)
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Contents
| Trouble type | C5355: Toner cartridge cooling fan failure to turn |
| Rank | B |
| Trouble detection condition | The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning. |
| Trouble isolation | – |
| Relevant electrical parts | -Toner cartridge cooling fan (FM8) -Process drive board (PDB) |
Procedure
- Check the connector between FM8-relay CN328-PDB CN10 for proper connection and correct as necessary.
- Check the fan for possible overload and correct as necessary.
- FM8 load check
- Check code: 42
- Multi code: 24
- Control signal: PDB CN10-10 (DRIVE), PDB CN10-12 (LOCK)
- Location of electrical component: 19-X
- Replace FM8. (Part# 4556M10000)
- PDB F4 conduction check
- Replace PDB. (Part# A8JEH00400)
L.3.12.5 (Link to the Field Service Manual)