5.   Use the ENVSIZE and ENV TYPE items on the Paper Menu to specify envelope size and envelope type for the tray (see “Defining the Media Size
and Type for a Tray” on page 47). Setting the Fuser Envelope Levers
If envelopes get jammed in or near the fuser, or envelopes get wrinkled when
they print, they may be too thick for the fuser. If this is the case, perform the
following procedure:
1.   Power off and unplug the printer.
2.   Open the rear cover. CAUTION: <2-43>   High temperature; switch off the printer and allow at least 30 minutes for parts in this area to cool before handling. Chapter 4. Paper Handling 45