05-18-2019 04:38 PM
laser jet pro map m277 - reports document feeder empty even when paper loaded
Tried rebooting; tried copying and printing
copy works on alt tray but not main tray
05-19-2019 07:07 PM
Welcome to HP support community.
Open the printer and remove any jammed sheets of paper. Verify that no torn remnants of paper remain inside the printer.
Load the tray with the correct size of paper for the job.
Make sure the paper size and type are set correctly on the printer control panel.
Make sure the paper guides in the tray are adjusted correctly for the size of paper. Adjust the guides to the appropriate indentation in the tray. The arrow on the tray guide should line up exactly with the marking on the tray.
Do not adjust the paper guides tightly against the paper stack. Adjust them to the indentations or markings in the tray.
The following images show examples of the paper-size indentations in the trays for various printers. Most HP printers have markings similar to these.
Figure : Size markings for Tray 1 or the multipurpose tray
Figure : Size markings for cassette trays
Verify that the humidity in the room is within specifications for this printer and that paper is being stored in unopened packages. Most reams of paper are sold in moisture-proof wrapping to keep paper dry.
You can refer this HP document for more assistance:- Click here
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05-20-2019 01:07 AM
Pull out the tray and look at the left side. The metal paper tray should sit in an opening of a nylon c shape that moves up and down with the tray to show how much paper is in the tray. Sometimes the metal tray becomes stuck under the plastic and cannot rise properly to let paper feed. If this is the case you need to get the tray seated properly in this plastic lever.