How Can We Help?
C3425 (bizhub 650i/550i/450i)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| Trouble type | C3425: Fusing warm-up trouble |
| Rank | A |
| Trouble detection condition | -Detected temperature of the heating roller temperature sensor (TEMS) does not go up a given range of temperature even after a lapse of given period of time at warm up. -The temperature detected by the heating roller temperature sensor (TEMS) does not shift from the pre-standby state even after the lapse of a predetermined period of time after the completion of warm-up. |
| Trouble isolation | – |
| Relevant electrical parts | -Fusing unit -Heating roller temperature sensor (TEMS) -DC power supply (DCPU) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the fusing unit for correct installation (whether it is secured in position).
- Check the open/close operation of the right door.
- Check the connector between the fusing unit-relay CN95, CN96-BASEB CN4E for proper connection and correct as necessary.
- Check the connector between BASEB CN2E-DCPU CN7 for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- Replace the fusing unit.
650i (Part# AA7NR70200)
450i/550i (Part# AA7RR70700) - Replace CPUB.
650i/550i(Part# AC74H02P03)
450i (Part# AC76H02P02) - Replace BASEB. (Part# AC74H02101)
- Replace DCPU. (bizhub 650i/550i / bizhub 450i)
bizhub 650i/550i (Part# AA7NR71600)