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66-13, 66-33 (bizhub 4750i/4050i)
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Contents
| JAM type | Misfeed at DF document transport section | |
| JAM code | 66-13, 66-33 | |
| JAM detection timing | 66-13: The document registration sensor (PS17) is not turned ON (unblocked) even after the lapse of a given period of time after the leading edge of the paper has turned ON the after separate sensor (PS16). | |
| 66-33: The document before read sensor (PS18) is not turned ON even after the lapse of a given period of time after the leading edge of the paper has turned ON (unblocked) the document registration sensor (PS17). | ||
| – Paper jam of a sheet of paper left at the DF document transport section results, if the document registration sensor (PS17) is turned ON (unblocked) when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. | ||
| Misfeed processing location | Left cover | |
| Relevant parts | -Document main motor (M8) -Document paper feed clutch (CL8) -Document registration clutch (CL9) -After separate sensor (PS16) -Document registration sensor (PS17) -Document before read sensor (PS18) -DF control board (DFCB) |
Procedure
| Step | Action | Control signal | Location of electrical component |
|---|---|---|---|
| 1 | Initial check items | – | – |
| 2 | PS16 I/O check, sensor check | DFCB CN3-2 (ON) | 21-P |
| 3 | PS17 I/O check, sensor check | DFCB CN2-8 (ON) | 23-P |
| 4 | PS18 I/O check, sensor check | DFCB CN6-2 (ON) | 21-P |
| 5 | CL8 load check • Check code: 60 • Multi code: 145 | DFCB CN4-2 (ON) | 21-X |
| 6 | CL9 load check • Check code: 60 • Multi code: 146 | DFCB CN4-4 (ON) | 21-X |
| 7 | M8 load check • Check code: 60 • Multi code: 1, 5 | DFCB CN5-1 to 4 | 21-X |
| 8 | Replace DFCB. (Part# A93EH00901) | – | – |