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C3425 (bizhub C360i/C300i/C250i)

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Trouble typeC3425: Fusing warm-up trouble
RankA
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 unitHeating roller temperature sensor (TEMS)
• DC power supply (DCPU)
• CPU board (CPUB)
• Base board (BASEB)

Procedure

  1. Check the fusing unit for correct installation (whether it is secured in position).
  2. Check the open/close operation of the right door.
  3. Check the connector between the fusing unit-relay CN95, CN96-BASEB CN4E for proper connection and correct as necessary.
  4. Check the connector between BASEB CN2E-DCPU CN9 for proper connection and correct as necessary.
  5. Check CPUB for proper installation and correct as necessary.
  6. Replace the fusing unit. (Part# AA2JR70300)
  7. Replace CPUB. (Part# AA2JH02N06)
  8. Replace BASEB. (Part# AA2JH02005)
  9. Replace DCPU. (Part# AA2JR70600)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

L.3.9.4 (Link to the Field Service Manual)

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