Just experienced this on my Photosmart 5514. The problem turned out to be the ink pump inside which primes the nozzles, there is a hose for the colour head and one for the black. The black side was clogged with old semi-dry ink. After removing the hose from the pump, and soaking it in hot water for about 15 minutes I was able to squeeze out the old ink, now it works like new.
How did you get to the tube? Any other machine I have done this to, they were easily accessible by a back panel. Do I have to take off the top of the machine?
Yes, you have to take the top off. There is a sled that slides under where the print head parks on the right front of the printer, and from that there are 4 rubber tubes in one, these all connect to a while piece of plastic where two of them join to the clear tubes going to the pump. To clean the clear tube you have to remove the pump and the series of gears it's connected to, then you can twist open the pump and remove the clogged tube (the tube is all one piece). Make sure you remember the orientation of the tube inside the pump, and which end coming out of the pump goes where!
Thanks for the clear description. I'll give it a go!
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Unplug the printer for at least overnight. I have 3 of these printers and all 3 have done this. All 3 came back after being unplugged for a long period.
Personally, I think a class action suit might be in order.
SOURCE: hp 2610 will not print black even with new cartridge. HELP
Try cleaning the gold contacts on cart first, with distilled water. Let dry and try again.
If not, try this one
1.Try placing sheet of black text on copy board, and run many copies black only. I ran 25x12 times still no black. Run head clean after about each 50 sheets. Persevered and finally BLACK ink OK
Inkypete
SOURCE: hp photosmart 8050 won`t print black even though
Hi there! If you haven`t used the printer in 2-3 months the black ink cartridge has gona dry.Wich means the printer is seeing full ink but the ink isn`t actually coming out from the ink head.Take a peace of clean cloth or cotton and clear the bottom part of the ink head(be verry carfully while cleaning it cuz you may dmg the head.If that doesn`t help just go and buy a new ink cartridge and it will solve your problem.
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