Question about HP LaserJet 2420 Printer
My printer had a paper jam, so I turned it off, removed the paper tray and cartridge and cleared the jam.
When I turned it back on, it started normally but now it displays all three lights on steady and no display on the screen. It won't do anything!
I have turned if off and on, unplugged both cords, opened the panel and removed the toner cartridge, etc., but have had no success at all.
Try to reinstall the software, if doesn't work properly the problem is your printer.
Posted on Jun 16, 2008
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Posted on Jan 02, 2017
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What this light sequence means that the printer has a paper jam.
When a paper jam occurs, the printer stops and the operator panel's Paper Jam light and Continue button lights come on. Press and release Continue twice quickly to display the specific secondary error paper jam light sequence.
How to clear Paper Jam
?· Press Continue button twice quickly to see the secondary error code.
To get the secondary error codes
?· When the Error light (!) and Continue button lights are both on, a secondary error has occurred.
?· When the Paper Jam light (4th light) and Continue button lights are both on, a paper jam secondary error has occurred.
?· Press and release Continue button twice quickly to display the secondary error code light sequence.
Press Continue button to resume printing once all the jammed pages are cleared from the paper path.
We recommend that you clear the entire paper path when a paper jam occurs.
To clear a paper jam:
1 If you are feeding paper from a tray, remove the tray, and then remove any jams.
2 Open the front cover and remove the print cartridge assembly.
NOTE: Do not leave the print cartridge assembly exposed to direct light for an Extended period of time. Extended light exposure can cause print quality problems.
3 Remove any jams in the area behind the print cartridge assembly.
4 Lift the flap at the front of the printer and remove any jams beneath the flap.
5 Open the rear exit and remove any jams.
6 After you have cleared the jams, reinstall the print cartridge assembly, make sure all printer covers and trays are closed, and then press Continue button to resume printing.
NOTE: The printer reprints the pages that caused the paper jam.
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