Previous
If you select [Machine Setting(s)] in [Bypass Tray] under [Tray Setting Priority] in [System] of the Printer Features menu, the settings made using the control panel have priority over the printer driver settings. For details, see "System", Print.
The default of [Bypass Tray] is [Driver/Command].
Press the [User Tools] key, and then select the setting items using the [
] or [
] key.
Select [Tray Paper Settings] 
Press [OK]
Select [Printer Bypass Paper Size] Press [OK]
Select the envelope size Press [OK]
Confirm that the top of the stack is not higher than the limit mark on the side guides.
Do not push the stack of envelopes with too much force.
Confirm that the edges of envelopes fit under the side guides.
After specifying the paper size, select "Envelope" as the paper types using both the User Tools and printer driver, and specify the thickness of envelopes. For details, see "Printing on Envelopes", Print.
