Ricoh Aficio MP2550B Service Manual page 624

ELECTRICAL COMPONENT DESCRIPTION
Symbol Name
Positioning
SOL3
Roller
Switches
Lower Tray
SW1
Upper Limit
Front Door
SW2
Safety
Upper Cover
SW3
PCBs
Main
PCB1
B408
Function
Moves the positioning roller.
Detects when the lower tray is at its upper limit
position.
Cuts the dc power when the front door is
opened.
Cuts the dc power when the upper cover is
opened.
Controls the finisher and communicates with the
copier/printer.
14
Index No.
13
9
6
1
28
SM