I replaced the printheads K/Y and M/C of the HP L590 All-In-One Printer. After a day use there is an error that appears printhead problem.
SOURCE: The following printhead(s) has a problem Black/Yellow[K/Y].
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 :)
SOURCE: HP D135 - replaced printhead - still doesn't print in that color
try this link : I followed the directions and fixed the problem. the instructions that came with the new printhead weren't really complete.
Here's essentially all I did for my fix - Opened the printer top, turned the printer off. Removed the "bad" printhead, cleaned the metal contacts on the printhead and printer with windex. Closed the printer. Turned it on. waited for it to reset. Opened the printer. Turned the printer off again. Installed the printhead. Closed the lid. Plugged the printer in again. When it was ready I accessed the HP toolbox and alligned the printheads and cleaned the printheads. It worked. Here's a link with photos.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=bpa02107&lc=en&cc=ca&dlc=&product=64986
SOURCE: Getting printheads to left side of printer to
Press and hold the resume button - the one on the right hand side
SOURCE: How to put in new printheads to HP Photosmart Pro B 8190
Open the front cover of the printer and replace the catridges. For more info, download the manual for the same from the vendor website.
Revert back for more assistance.
SOURCE: HP Officejet Pro L7650 Print head problem
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.
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