C2259 (bizhub 958/808)

Contents

Trouble type	C2259: Developing motor/K failure to turn
Rank	B
Trouble detection condition	The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning.
Trouble isolation	–
Relevant electrical parts	• Developing unit • Developing motor/K (M19) • MFP board (MFPB)

 Procedure

1. Check the connector between M19-MFPB CN10E for proper connection and correct as necessary.
2. Check the connector of M19 for proper drive coupling and correct as necessary.
3. M19 operation check
   • Control signal: MFPB CN10E-15 to 19
   • Location of electrical component: 5-K, 7-K
4. Replace M19. (Part# A796M10001)
5. Replace the developing unit. (Part# A8H403D)
6. MFPB F9E conduction check
7. Replace MFPB. (Part# A796H02003)

NOTICE

• Link to the wiring diagram (bizhub 958/808/758, bizhub PRO 958)

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

K.3.8.7 (Link to the Field Service Manual)