Ricoh 4506 Copy Reference Manual page 182

Changing the Machine's Settings
D
Re-position the side fence to the paper size you want to use.
Trsy030e.eps
E
Fasten the fences with screws.
Trsy040e.eps
6
F
Adjust the back fence to the new paper size.
Trsy020e.eps
A
Note
❒ For 11" × 17" paper, put the back fence inside A.
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TRSY030E
TRSY040E
TRSY020E