Lexmark T630 User's Reference Manual page 143

5
Reinstall the print cartridge.
6
Close the upper and lower front doors.
7
Locate the recessed areas on each side of the duplex front access cover.
8
Slowly pull the duplex front access cover straight out.
9
If the edge of the print media is visible, pull the print media straight up and out.
If the print media is not visible, continue with
access cover.
10
Slide out the standard tray.
23x Paper Jam
step 10. Otherwise, close the duplex front
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