Question about HP OfficeJet Pro K8600 Printer
Clean the printhead with a lint free cloth as well as the black ink cartridge... make sure you clean the copper contacts properly..
then put it back in...
unplug the power chord from the back of the printer without turning the product off and then press and hold the power chord for 30 sec...
then re plug in the power chord...
then check if that works...
connect the printer directly to the walloulet....
try changing the black ink cartridge...
hope this works...
Posted on Oct 21, 2013
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Posted on Jan 02, 2017
I heard you can get the 3310 to do a pump up the tubes cycle but i don't know how to make it do it. Pressing the ok and cancel buttons when you power up didn't work for my machine. Which has too died a inkless black death!
Posted on Oct 01, 2008
HP, in order to sell more ink, monitors the expiration date of the cartridges installed. Solution is either to buy a new unexpired cartridge from HP or to disable the date monitoring built in to the printer. This latter is done by removing the button cell located inside the D135 printer on the left hand side or by simply slipping a thin piece of plastic between button cell and metal contact. You will no longer have date function on printer, but it won't object to expired cartridges either.
Posted on Oct 18, 2008
Turn off the device after removing the printhead
After removing the printhead, turn off the device, wait about 20 seconds, and turn it on again without the printhead installed. After it has restarted, reinsert the printhead.
it will go through this long routine of perhaps 20 min or so. after its compleate it should print great.
Posted on Nov 28, 2008
SOURCE: k550 air in ink feedlines
I have had this happen a couple of times and have cured it easily. It has only happened with the black with me. It seems to be caused by air in the ink feed line. With the printer switched on open the top cover and hold the resume button for 5 seconds. The printheads should move to the left and you may be able to see air in the pipe(s). Remove the printhead of the offending colour(s) then insert a syringe with the plunger fully down into the rubber that the printhead connects to. Draw up the syringe plunger to draw ink/air through until you can see no more air in the pipe. Replace the printhead and close the cover. The printer should now do a calibration with the offending colour hopefully now working.
Posted on Mar 29, 2009
Always try replacing the ink cartridges first.
It sounds like the print heads in the 7780 are bad. Don't confuse the ink cartridges with print heads. The cartridges fit inside the print heads. You will need to change the heads. Here is a link to HP's how-to.
Could have the same problem with the Dell.
Posted on Jun 01, 2009
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