Ricoh M281 Series Service Manual page 568

Product Overview
7.1.2 PARTS LAYOUT
MP 501/601 Switches & Sensors
No.
1 ARDF registration sensor
2 ARDF original timing sensor
3 ARDF open/close sensor
4 ARDF original sensor
5 ARDF position sensor
6 Fusing thermistor 2 (Center)
7 Fusing thermistor 1 (End)
8 Fusing sensor
D255/D256/M281/M282
Name No.
13 Interlock switch
14 Paper feed tray size switch
15 Main power switch PCB
16 Paper feed tray limit sensor
17 Bypass paper end sensor
18 Registration sensor 2
19 Duplex sensor 2
20 Waste toner full sensor
7-4
Name
SM