Lexmark W810n - Optra B/W Laser Printer Reference page 114

11
Make sure the pressure plate is pressed down inside the
tray.
Whenever you pull open the tray, make sure the pressure plate is
snapped down before pushing the tray back into the printer.
12
Push the tray firmly into the printer.
If the tray is not pushed completely into the printer, text and
images may print in the wrong position on the page, and margins
may appear incorrect.
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