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