HP 3840 - Manual (Page 10)

1. Press and slide the paper guide
Out tray
Printed pages are deposited in the Out tray.
1. Out tray
Raise the printer cover and the Out tray to load paper.
Lower the printer cover and the Out tray before printing.
To prevent paper from falling out of the tray, pull out the Out-tray extension, and
then unfold the Out-tray extension stop.
1. Out-tray extension and Out-tray extension stop
HP Deskjet 3840 series printer User's Guide
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