Question about HP Officejet Pro L7780 All-In-One InkJet Printer

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Hp officejet pro L7780

I need the main procedure for a complete factory reset (as if it just came out of the box brand new) for a multifunction printer Hp officejet pro L7780. I have used #3 and the #6 unplugging method but is still only partial. I know that a complete wipe exists.

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I just did the full resetting, hold # + 9 while is on (is what i did) and i unplug the power cord just one is back of the printer, and released for a while to connect again power cord, so when printer star back on, i hold again # + 9 for a 15 seconds, and power off for a moment, later push the power bottom and start a blue screen with FULL RVRAM something like that, leave the printer , is gonne make alignments and so on , so after 10-15 minutes AWSOME , factory reset setting, GOOD LUCK

Posted on Dec 30, 2010

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Partial print on incoming fax


Check your incoming line and settings or try to reinstall the drivers. Also, check the user manual for HP Officejet Pro L7780

Jun 25, 2013 | HP Officejet Pro L7780 All-In-One InkJet...

3 Answers

I installed hp officejet pro l7780 but failed to calibrate.


Partial reset the printer

  • Remove the power cable from back side of the printer while its ON.
  • Press and hold "#" and "3" button, while holding them both insert the power cable and release the button after 10 seconds.
  • If printer turns OFF, press power button to turn it ON.

May 26, 2011 | HP Officejet Pro L7780 All-In-One InkJet...

1 Answer

WHERE CAN I FIND PARTS FOR L7780? I NEED THE PAPER HOLDER GUIDE FOR THE TOP PART AND THE PAPER HOLDER FOR WHERE THE PAPER FEEDS OUT AFTER BEING PRINTED?


Look on this link:

http://www.sparepartswarehouse.com/HP,OfficeJet-Pro,L7780,Printer,Parts.aspx

Click on this link or copy and paste the complete link into your browser.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response. Thanks, Joe

Jan 21, 2011 | HP Officejet Pro L7780 All-In-One InkJet...

1 Answer

The auto-document feeder on our HP L7780 OfficeJet Pro printer doesn't pick up the papers anymore. The 'gears' are spinning, but the papers aren't advancing. I've cleaned the rollers, but that still didn't...


I put an elastic band around the black roller as it doesnt seem big enough and it works nearly every time now. Have done this with another L7780 Pro as well which fixed it completely on that one.

Jun 09, 2009 | HP Officejet Pro L7780 All-In-One InkJet...

1 Answer

Need to reset the number of rings before fax pickup on 2 hp offi


default ring is 5.
if need to change the ring, then you will be in maual answer mode.
better choice is to change the ring on the phone and the answer machine.

Dec 31, 2008 | HP Officejet Pro L7780 All-In-One InkJet...

3 Answers

Receive fax to pc


We cannot receive faxes directly to the PC. We will receive the faxes only to the printer.

Apr 03, 2008 | HP Officejet Pro L7780 All-In-One InkJet...

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