C2563 (bizhub C4050i/C3350i)

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Trouble typeC2563: Yellow TCR sensor failure
RankB
Trouble detection conditionAlarm signals for each TCR sensor is detected more than the predetermined number of times.This detection is used for detecting disconnection of TCR sensor connector.
Trouble isolation–
Relevant electrical parts• Imaging unit/C,M,Y,K 
• CPU board (CPUB) 
• Base board (BASEB)

Procedure

  1. Reinstall the imaging unit.
  2. Check the connector between the imaging unit/Y-relay CN7-BASEB CN14E for proper connection and correct as necessary. (C2563)
  3. Check CPUB for proper installation and correct as necessary.
  4. Replace the corresponding imaging unit.
  5. Replace CPUB. (Part# A93EH01004)
  6. Replace BASEB. (Part# A93EH02007)

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

L.3.7.8 (Link to the Field Service Manual)