C2561, C2562, C2563, C2564 (C4751i)

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ByEric Ditges
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Contents

Trouble typeC2561: Cyan TCR sensor failureC2562: Magenta TCR sensor failureC2563: Yellow TCR sensor failureC2564: Black 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 partsImaging unit/C,M,Y,KCPU board (CPUB)Base board (BASEB)

Procedure

  1. Reinstall the imaging unit.
  2. Check the connector between the imaging unit/C-relay CN5-BASEB CN14E for proper connection and correct as necessary. (C2561)
  3. Check the connector between the imaging unit/M-relay CN8-BASEB CN14E for proper connection and correct as necessary. (C2562)
  4. Check the connector between the imaging unit/Y-relay CN7-BASEB CN14E for proper connection and correct as necessary. (C2563)
  5. Check the connector between the imaging unit/K-relay CN6-BASEB CN14E for proper connection and correct as necessary. (C2564)
  6. Check CPUB for proper installation and correct as necessary.
  7. Replace the corresponding imaging unit.
  8. Replace CPUB.
  9. Replace BASEB.

(Link to the Field Service Manual)