Ricoh D143 Field Service Manual page 71

Envelope Feeder EF3020 (D638)
2. Pull out tray 2 [A] from the main machine.
3. Install the envelope feeder [A] into tray 2 of the main machine.
4. Press the "User/Tools" key on the operation panel.
5. Enter "Small Paper Size Tray" under "General Features".
• Initial Settings General Features Small Paper Size Tray
6. Select "On" for the tray where the envelope feeder is installed.
7. Turn the main machine off and on.
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