Question about Office Equipment & Supplies
If it is an HP inkjet 940c best course is to throw the printer away and go out an buy something reliable.
Posted on Sep 08, 2008
HP's troubleshooting guide for this error is available here and has several causes for the cartridge light blinking, including an open door, a cartridge not properly seated, tape left on the cartridge or a defective cartridge. See the guide for troubleshooting steps.
If troubleshooting indicates the cartridge is defective try cleaning the cartridge contacts as shown here. (This is for a different series of cartridge but the same principle in cleaning applies).
Bob Headrick, Microsoft MVP Printing/Imaging
Posted on Aug 15, 2008
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Posted on Jan 02, 2017
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