C255C (bizhub 4700i)

Posted
ByAdministrator Administrator
You are here:

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

Contents

Trouble typeC255C: Black TCR sensor adjustment failure
RankB
Trouble detection conditionTCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Trouble isolation–
Relevant electrical parts-Imaging unit/K
-CPU board (CPUB)
-Base board (BASEB)

Procedure

  1. Reinstall the imaging unit.
  2. Check the connector between the imaging unit/K-relay CN6-BASEB CN14E for proper connection and correct as necessary.
  3. Check CPUB for proper installation and correct as necessary.
  4. Replace the imaging unit. IUP36K (Part# AAJV01E)
  5. Replace CPUB. (Part# ACTAH01003)
  6. Replace BASEB. (Part# ACTAH02014)

(Link to the Field Service Manual)