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12-01, 12-05, 12-40 (bizhub 950i/850i)
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Contents
| JAM type | Misfeed at tray 2 paper feed section | |
| JAM code | 12-01, 12-05, 12-40 | |
| JAM detection timing | 12-01 | After the tray 2 starts to feed paper, the tray 2 vertical transport sensor (PS12) is not turned ON even after the lapse of a given period of time after the leading edge of the paper has turned ON the tray 2 paper feed sensor (PS13). |
| 12-05 | The leading edge of the paper is not turned ON the tray 2 paper feed sensor (PS13) even after the lapse of a given period of time after the tray 2 starts to feed paper. | |
| 12-40 | For paper fed from the tray 2, the image write start signal permit continues to be disabled for a predetermined period of time after the timing of the image write start signal output. | |
| – | Paper jam of a sheet of paper left at the tray 2 paper feed section results, if the tray 2 vertical transport sensor (PS12) is turned ON when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. | |
| – | Paper jam of a sheet of paper left at the tray 2 paper feed section results, if the main power switch is turned ON, the tray 2 vertical transport sensor (PS12) is turned ON. | |
| – | Paper jam of a sheet of paper left at the tray 2 paper feed section results, if a sheet of paper is determined to exist at a position detected when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. | |
| Misfeed processing location | Right bottom door | |
| Relevant parts | -Paper feed motor (M22) -Tray 2 vertical transport motor (M7) -Tray 2 paper feed clutch (CL2) -Tray 2 vertical transport sensor (PS12) -Tray 2 paper feed sensor (PS13) -Paper feed/transport drive board (PFTDB) -Base board (BASEB) | |
Procedure
| Step | Action | Control signal | Location of electrical component |
|---|---|---|---|
| 1 | Initial check items | – | – |
| 2 | PS12 I/O check, sensor check | PFTDB CN12-10 (ON) | 1-P |
| 3 | PS13 I/O check, sensor check | PFTDB CN12-7 (ON) | 1-P |
| 4 | CL2 load check -Check code: 20 -Multi code: 2 | PFTDB CN12-1 (REM) | 1-P |
| 5 | M22 load check -Check code: 28 -Multi code: 5, 6, 7, 8 | PFTDB CN10-1 to 4 | 18-P |
| 6 | M7 load check -Check code: 28 -Multi code: 13, 14, 15, 16 | PFTDB CN10-9 to 12 | 18-P |
| 7 | PFTDB F23, F26, or F27 conduction check. | – | – |
| 8 | Replace PFTDB. | – | – |
| 9 | Replace BASEB. | – | – |