Ricoh D037 Service Manual page 916

Component Layout
Size
Switches
SW1 Tray Cover
SW2 Upper Tray Set
SW3 Lower Tray Set
Magnetic Clutches
Upper Paper
MC1
Feed
Lower Paper
MC2
Feed
MC3 Relay
PCBs
PCB1 Tray Main
Others
Optional Tray
H1
Heater
D331
Detects whether the tray cover is opened or not.
Detects whether the upper tray is opened or
not.
Detects whether the lower tray is opened or not.
Starts paper feed from the upper tray.
Starts paper feed from the lower tray.
Drives the relay rollers.
Controls the paper tray unit and communicates
with the copier/printer.
Removes humidity from the paper in the trays.
12
9
4
14
7
10
8
22
17
SM