SOURCE: hp psc 1510 - only want black ink
Hi Manavoc,
I will explain you the cause for it.
It prints in yellow first and then override with black for better quality. This is the reason your color ink gets empty.
http://h10025.www1.hp.com/ewfrf/wc/genericDocument?docname=c00308490&cc=us&dlc=en&lc=en&jumpid=reg_R1002_USEN
Have a great day!
SOURCE: no black ink printing all other colours okay
This is getting to be a very common problem that I've found almost constantly with the HP88 K/Y (Black/Yellow) printhead. The problem is that the Black ink is pigment ink and in certain environments this just clogs to the point that no amount of cleaning will actually resolve the clog and you have to replace the printhead. The only long term solution I've been able to find is to replace the black cartridge with a 3rd party dyebase ink cartridge and run this through a NEW printhead to replace the pigment ink in that. Dyebase ink does not have any of the same problems and will work perfectly. The only trade off is of course that you lose your warranty and there is a certain amount of ink "bleed" where the edges of black are more fuzzy from ink mixing while it's wet but this is fairly minimal and as the L7580 is only really a document printer (rather than a photo one) it shouldn't make a huge difference. I've used this approach to great effect both at home on an L7680, K5400 and K8600 plus on the same models in 3 different schools where this clogging issue occurred so it's tried and tested. Hope it helps.
SOURCE: HP Deskjet 54280 won't print
Try cleaning the print heads. You can find more troubleshooting info in the manual:
http://h10032.www1.hp.com/ctg/Manual/c01374711.pdf
SOURCE: Black ink cartridge wont print, have installed a
Well if you already installed a new black ink cartridge and still wont print, then try cleaning your printer head. It can be that the some ink was hardened and got stuck preventing you to print a black color.
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