• 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.
Specifying envelope size for the bypass tray
• The envelope size selected using the printer driver overrides that selected using the control panel, so
do not make settings using the control panel if you have already made settings using the printer driver.
• When [Machine Setting(s)] is selected for [Tray Setting Priority] under [Machine Modes] in [Print
Settings], any settings made using the printer's control panel have priority over any settings made
using the printer driver.
• For details about the printer driver, see the printer driver Help.
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