Question about HP DeskJet 940c InkJet Printer
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Posted on Jan 02, 2017
I have a HP Business Inkjet 1220 Printer, and the block ink cartridge light is flashing. I replaced the cartridge with a brand new one, closed the door, and black ink light is still flashing. I put in another neew black ink cartridge, closed the door, and same issue- black cartidge ink light flashing. I cannot print- what to do?
Posted on Oct 13, 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
SOURCE: HP L7680 Print Head Problem
I do have the same problem. When i checked the printheads, i came to know that electrical circuit was damaged. Do one thing. Clean copper contacts of both printheads with a soft cloth . And try one more time. another solution is just bur new ones
Posted on Nov 11, 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: black ink cartridge not printing
From what you did you could have missed something... here's a link.. try to access the link and remember the procedures for the control panel of your printer and to the printer software installed on your computer..
Much appreciated if you rate this help...thanks..
Posted on May 23, 2010
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