Table 2-13 Manual sensor diagnostic tests (continued)
Sensor or switch Replacement Part number Description
SR7 Fuser pressure release sensor
NOTE: M651 and M680.
WG8-5696-000CN Photo interrupter
SR7 Tray 4 paper presence sensor
NOTE: 2x500-sheet feeder, and 2,500-
sheet HCI.
RM2-0341-000CN Paper pickup assembly
SR9 Primary-transfer-roller disengagement
sensor
WG8-5696-000CN Photo interrupter
SR10 Tray 5 paper surface sensor 2
NOTE: 2x500-sheet feeder, and 2,500-
sheet HCI.
RM2-0341-000CN Paper pickup assembly
SR11 Developer alienation sensor CC493-67915 Main drive assembly
SR14 Loop sensor 1 RM1-5654-000CN; 110V
RM1-5655-000CN; 220V
Fuser assembly
SR15 Loop sensor 2 RM1-5654-000CN; 110V
RM1-5655-000CN; 220V
Fuser assembly
SR20 TOP sensor (top-of-page) RM2-5777-000CN Registration assembly
SR22 Duplex re-pickup sensor RM2-5777-000CN Registration assembly
NPLED RM2-5777-000CN Registration assembly
SW5 Front door switch WC2-5637-000CN Switch, push
NOTE: Open/closed detection switch.
SW5 Right door switch WC2-5637-000CN Switch, push
NOTE: Open/closed detection switch.
ENWW Tools for troubleshooting 151
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