Ricoh BR-C1a Basic Service Training page 318

 When the rear fence of the left tray has pushed paper into the
right tray, the rear fence return sensor switches on, and the side
fence solenoids turn off and the side fences close.
 When the front and rear side fence closed sensors [D] activate
after the side fences close, the machine tells the user to load
paper into the left side of the tandem tray.
 If the fences do not close correctly, a message on the operation
Slide 318
No additional notes
Tray 1 (Tandem Tray)
Tandem Tray Side Fences - 2
panel alerts the user to reset the tray.
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BR-C1 Training