Question about HP Officejet Pro L7580 All-In-One InkJet Printer
Posted by Anonymous on
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Posted on Jan 02, 2017
Simple solution is:
Replace the Black and Yellow Print Catridges. The print heads are mounted to the bottom of the catridges and these, depending on whther they're from HP or not. can have a hard time conducting electricity properly, and in turn.. spitting ink out properly.
Also happens often with aftermarket Catridges because HP puts chips on the catridge. be sure to put an HP catridge. Sometimes you get what you pay for :)
Posted on Oct 31, 2008
Press "set up" button until number 6
Number 6 is "tools"
press forward arrow (to right of ok button)
No.2 is clean printhead
No.3 is align printer
No.4 is calibrate line feed
Posted on May 04, 2009
my hp office jet pro l7500 indicates the ink has expired in all cartages but the cartgages are new because they were just put in . Before the same error code came up and so bought new cartages. Also the door to the cartages will not stay closed without tape.
Posted on Dec 29, 2009
The reason why the printer refuses to print if you get low on one or more colors is that the system runs off negative pressure through the ink lines to the print head. If you were able to continue printing with an empty cartridge you could get air in the respective ink line, disrupt the negative pressure, make it so that that color will no longer print, and require you to get the printer serviced to fix the problem. I own a Cartridge World ink refilling store and I feel this is a good machine (compared to some of the others out there). The only down side with this type of machine is the print heads expiring or getting clogged as you are experiencing. The reason the black is clogged and not the other colors is that the black ink is pigment based and the colors are dye based. The pigment based inks do tend to clog print heads over time. You can try to rehydrate the print head with warm distilled water. if you can't get it working to your satisfaction you can buy a new black/yellow print head for $72. With this type of printer you should print at least one black and white and one color document per week to keep the print heads fresh. If they sit too long without ink flowing through them then they can get clogged and print poorly. I hope this helps belay some of the resentment you hold towards your printer.
Posted on Mar 15, 2010
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