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

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My HP Officejet Pro L7780 All-in one print dark and light on page

It will print a dark line then several light lines and follow that pattern. I replaced the ink cartridge.

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  • 3 Answers

Time for a new print head.

Posted on Dec 31, 2008

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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...

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I have two or three lines per page on my Officejet Pro L7780 that do not print the full letters on the line. Ink is full, but the two or three lines on each page do not print fully.


remove the printer heads and just dip the bottom in some hot water for about 20secs. (JUST THE BOTTOM)This should unblock the ink . Dry and iput back into printer

Apr 13, 2010 | HP Officejet Pro L7780 All-In-One InkJet...

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My HP L7780 prints a vertical line down the right side of the page when I COPY or SCAN. It prints files perfectly. Can anyone help?


If you open up the tray on the printer you will see a diagram explaining how to clean a small blue screen. I did this with our printer and the problem cleared right up.

Jan 16, 2010 | HP Officejet Pro L7780 All-In-One InkJet...

1 Answer

HP Officejet Pro L7780 Prints photos too dark


try to do flee power cycle of the computer and then try to uninstall and reinstall the driver for the printer.

IF IT DOESNT WORK .LOG ON TO THIS LINK
http://techbuddies.org

Jun 12, 2009 | HP Officejet Pro L7780 All-In-One InkJet...

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NOT PRINTING LAST LINE ON PAGE


it could be that the lines on the spreadsheet arent bolded correctly or the spacing at the end of the document needs to be shortened. try to delete one space so that that line is brought up a line.

May 27, 2009 | HP Officejet Pro L7780 All-In-One InkJet...

1 Answer

Hp l7780 all in one


I just purchased a hp officejet pro L7780 all in one wireless trying to set up system - was suppose to have a poster sheet to guide me -- NO GUIDE POSTER - can i view one on line somewhere at no cost -

Nov 11, 2008 | HP Officejet Pro L7780 All-In-One InkJet...

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