How Can We Help?

C2256 (bizhub C650i/C550i/C450i)

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 typeC2256: Developing motor turning at abnormal timing
RankB
Trouble detection conditionThe control circuit detects motor turning while the motor remains stationary.
Trouble isolation
Relevant electrical parts-Developing motor (M27)
-CPU board (CPUB)
-Base board (BASEB)

Procedure

  1. Check the connector between M27-BASEB CN19E for proper connection and correct as necessary.
  2. Check the connector of M27 for proper drive coupling and correct as necessary.
  3. Check CPUB for proper installation and correct as necessary.
  4. M27 load check
    • Check code: 50
    • Multi code: 1, 2, 3, 4 (bizhub C650i), 1, 3, 4 (bizhub C550i), 1, 2, 4 (bizhub C450i)
    • Control signal: BASEB CN19EB-6 to 10
    • Location of electrical component: 2-C
  5. Replace M27. (Part# AA2JM11000)
  6. Replace CPUB. (C450i Part# AA7RH02P02 / C550i Part# AA7PH02P01 / C650i Part# AA7NH02P03)
  7. Replace BASEB. (Part# AA7NH02102)

L.3.9.4 (Link to the Field Service Manual)

Table of Contents