How Can We Help?

C720B (bizhub C4000i/C3300i)

Posted
ByAdministrator Administrator
You are here:

Contents

Trouble typeC720B: 1st transfer pressure clutch failure
RankC
Trouble detection conditionAfter starting the clutch, an error is detected for the malfunction detection signal.
Trouble isolation–
Relevant electrical parts• 1st transfer pressure clutch (CL1)
• Base board (BASEB)

Procedure

  1. Check the connector between CL1-relay CN13-BASEB CN18E for proper connection and correct as necessary.
  2. Check the connector of CL1 for proper drive coupling and correct as necessary.
  3. CL1 conduction check
    • Control signal: BASEB CN18E-4 (ON)
    • Location of electrical component: 2-C
  4. Replace the main drive unit. (Part# AAJRR71000)
  5. Replace BASEB. (Part# AAJRH02005)

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

L.3.11.7 (Link to the Field Service Manual)

Table of Contents