OfficeJet k7100: 'lines of control open or shorted' repeated error - 344 cartridges

I have an officejet k7100.

I'm getting a problem repeated with original hp 344 colour cartridges

the red light on the left flashes (which indicates a color cartridge problem) and the printer refuses to print.

When I do a test by TAPPING, the error is "the pen in the left chute has 1 or more lines open or shorted control."

I tried - to buy 2 more cartridges.

the purchase of a second identical printer (used) on ebay.

same error each time, even refused to print. What combination of printer cartridge / I'm trying. very frustrated...!

ideas (apart from 'buy epson') most welcome!

There are a few things to try:

  • Remove the color cartridge and try to print a page.  (The printer may still indicate a missing cartridge, but it should display ink backup mode).  The printer now shows that the black cartridge is at fault?  If so replace the color cartridge and remove the black cartridge.  If this prints correctly the black cartridge was involved.
  • Clean the cartridge and the contacts in the printer as shown in the document here.  It is a different printer but same principle.

If the above does not help, I would say by the way by the troubleshooting steps described in the paper here.

Tags: HP Printers

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