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