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C3825 (bizhub C4050i/C3350i)

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Trouble typeC3825: Fusing abnormally low temperature detection (Main of the heating roller)
RankA
Trouble detection conditionC3825: The heating roller temperature sensor (TEMS) continues to detect a temperature lower than a predetermined one for a predetermined period of time.
Trouble isolation–
Relevant electrical parts• Fusing unit
• C3825: Heating roller temperature sensor (TEMS)
• DC power supply (DCPS)
• 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 CN3-BASEB CN10E for proper connection and correct as necessary.
  4. Check the connector between the fusing unit-relay CN2-DCPS CN2 for proper connection and correct as necessary.
  5. Check CPUB for proper installation and correct as necessary.
  6. Replace the fusing unit. (Part# AAJRR70300)
  7. Replace CPUB. (Part# A93EH01004)
  8. Replace BASEB. (Part# A93EH02007)
  9. DCPS F102 or FU181 conduction check.
  10. Replace DCPS. (Part# AAJRR70600)

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

L.3.8.5 (Link to the Field Service Manual)

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