If a paper jam occurs, the machine displays the location where the jam occurs on the operation panel.
SP7-504 and SP7-505 (for ADF) show how many jams occurred at each location.
Jam Code  | Description  | SP No. | Indication on the operation panel  | 
|---|---|---|---|
| 001 | Initial jam at power on | 7-504-001 7-505-001(for ADF)  | B, C, Z, Y1, Y2, P | 
003  | Paper is not fed from 1st tray.  | 7-504-003 | A  | 
004  | Paper is not fed from 2nd tray.  | 7-504-004 | Y1  | 
005  | Paper is not fed from 3rd tray.  | 7-504-005 | Y2  | 
008  | Paper is not fed from the bypass tray.  | 7-504-008 | A  | 
009  | Paper is jammed at the duplex unit.  | 7-504-009 | Z  | 
012  | Paper is not fed from the vertical transport sensor 1.  | 7-504-012 | Y1  | 
017  | Registration sensor does not detect paper, and paper exit sensor turns on.  | 7-504-017 | A  | 
018  | Fusing entrance sensor does not detect paper.  | 7-504-018 | B  | 
019  | Fusing exit sensor does not detect paper.  | 7-504-019 | C  | 
020  | Paper exit sensor does not detect paper.  | 7-504-020 | C  | 
021  | 1-bin tray exit sensor does not detect paper.  | 7-504-021 | C  | 
025  | Duplex exit sensor does not detect paper.  | 7-504-025 | Z  | 
026  | Duplex entrance sensor does not detect paper.  | 7-504-026 | Z  | 
052  | Vertical transport sensor 1 does not turn off.  | 7-504-052 | Y1  | 
053  | Vertical transport sensor 2 does not turn off.  | 7-504-053 | Y2  | 
057  | Registration sensor does not turn off.  | 7-504-057 | B  | 
060  | Paper exit sensor does not turn off.  | 7-504-060 | C  | 
061  | 1-bin tray exit sensor does not turn off.  | 7-504-061 | C  | 
065  | Duplex exit sensor does not turn off.  | 7-504-065 | Z  | 
| 066 | Duplex entrance sensor does not turn off. | 7-504-066 | Z | 
004  | ADF registration sensor does not turn off.  | 7-505-004 | P  | 
013  | ADF feed sensor does not detect paper.  | 7-505-013 | P  | 
054  | ADF registration sensor does not turn off.  | 7-505-054 | P  | 
063  | ADF feed sensor does not turn off.  | 7-505-063 | P  | 
| 099 | Double-feed detected. | - | Message is displayed on the operation panel. | 
| 100 | ADF drive motor is defective. | 7-505-100 | P |