Ricoh A220 Service Manual page 142

PAPER FEED
6.8 PAPER LIFT MECHANISM
When the tray is set in the machine, the machine detects this condition by
using several detection methods as shown in the table:
Feed station
Tray set switch
1st
2nd Paper size switch
Tray set switch
3rd
4th Tray set switch
When the machine detects that the paper tray is set in the machine, the lift
motor [A] rotates and the coupling gear [B] on the tray lift motor engages the
pin [C] of the lift arm shaft [D], then turns the tray lift arm [E] to lift the tray
bottom plate [F].
[F]
A175 copier
[B]
[D]
[E]
A176/A177 copiers
Tray set signal through
the connector
Paper size switch
LCT set signal through
the connector
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15 July 1996
[A]
[C]
A176D596.wmf
A191/A192 copiers
Tray set signal through
the connector
Paper size switch
Tray set switch
Tray set switch