66-23 (bizhub C759/C659)
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Contents
| JAM type | Misfeed at DF transport section | |
| JAM code | 66-23 | |
| JAM detection timing | The registration sensor (PS5) is not turned OFF even after the lapse of a given period of time after the paper has turned OFF the after separate sensor (PS4). | |
| – | Paper jam of a sheet of paper left at the DF transfer section results, if the registration sensor (PS5) is turned ON when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. | |
| Misfeed processing location | -Transportation cover -Opening and closing guide  | |
| Relevant parts | -Registration motor (M2) -Take-up motor (M1) -Registration sensor (PS5) -After separate sensor (PS4) -Before read sensor (PS6) -DF control board (DFCB)  | 
Procedure
| Step | Action | Control signal | Location of electrical component | 
|---|---|---|---|
| 1 | Initial check items | – | – | 
| 2 | PS5 I/O check, sensor check | DFCB CN6-17 (ON) | DF 9-J | 
| 3 | PS4 I/O check, sensor check | DFCB CN6-5 (ON) | DF 7-J | 
| 4 | PS6 I/O check, sensor check | DFCB CN11-2 (ON) | DF 1-C | 
| 5 | M1 load check -Check code: 60 -Multi code: 1, 2, 3  | DFCB CN3-1 to 4 | DF 12-C | 
| 6 | M2 load check -Check code: 60 -Multi code: 17, 18, 19, 20  | DFCB CN3-5 to 8 | DF 11-C | 
| 7 | DFCB ICP3 or ICP15 conduction check. | – | – | 
| 8 | Replace DFCB. (Part# A782H0010A) | – | – | 
L.1.9.2 (Link to the Field Service Manual)
