C1127 (bizhub 754e/654e)
Contents
| Trouble type | Punch oscillating motor’s drive malfunction | |
| Trouble code | C1127 | |
| Rank | B | |
| Detection timing | <When FS-535+PK-521 is installed> The PK punch home sensor (PS303) is not turned ON even after the set period of time has elapsed while the punch oscillating motor (M302) is energized. | |
| Trouble isolation | Punch | |
| Relevant electrical parts | • Punch oscillating motor (M302) • PK punch home sensor (PS303) • Punch control board (PKCB) • FS control board (FSCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M302-relay CN342-relay CN341-PKCB CN37 for proper connection, and correct as necessary. | – | – |
| 2 | Check the connector of M302 for proper drive coupling, and correct as necessary. | – | – |
| 3 | Check the connector between PS303-relay CN342-relay CN341-PKCB CN34 for proper connection, and correct as necessary. | – | – |
| 4 | PS303 I/O check, sensor check | PKCB CN37-2 (ON) | PK-521 5-C |
| 5 | M302 operation check | PKCB CN34-1 to 6 | PK-521 5-C |
| 6 | Replace M302 (Part# A11TM10100 ) | – | – |
| 7 | Replace PKCB (Part# A2YRH10103 ) | – | – |
| 8 | Replace FSCB (Part# A2Y1H10002 ) | – | – |
- Link to the wiring diagram (N.2.8 Punch kit PK-521)
- Link to the layout drawings for related parts by each trouble code (S.27. C1127)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
(Link to the Field Service Manual) K.3.6.18