Ricoh D131 Service Manual page 1344

No. Component
Switches
Front Door Safety
SW1
Switch
SW2 Upper Tray Limit SW
2.1.4 DRIVE LAYOUT
B804/B805/D373/D374/D612
The safety switch cuts the dc power when the front door
is opened.
A micro-switch cuts the power to the upper tray lift motor
when the upper tray reaches its upper limit. This switch
duplicates the function of the upper tray limit sensor
(S12) and stops the upper tray if S12 fails.
38
Component Layout
Function
SM