Ricoh Priport DX 4640PD Operating Instructions Manual page 19

A
Rotate the envelopes 180 degrees and place them in the paper feed tray as
shown in the illustration below.
*Paper feed direction
B
Set "Rotate" to "180 degrees" on the [Device Options] tab in the printer driver.
C
Click [OK] to start printing.
The image is rotated and printed on the envelopes.
GRENVE1E
Windows 95/98/Me
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