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Fix issues with the 934xl/935xl, 950xl/9...

Fix issues with the 934xl/935xl, 950xl/951xl, or 970xl/951xl inkjet cartridges due to Firmware Update

HP upgraded their firmware on certain printers that use the 934xl/935xl, 950xl/951xl, or 970xl/951xl inkjet cartridges. This new firmware update may cause the corresponding printers to experience cartridge problems when using non-OEM cartridges. But don’t fret; there is a downloadable firmware update that will fix this problem. If you are not experiencing any problems, there […]

How to Correct an HP Firmware Update tha...

How to Correct an HP Firmware Update that Blocks Non-HP Ink Cartridges

HP released a firmware update on March 12, 2016 that rendered non-HP ink cartridges useless for several models of HP Officejet printers; they no longer recognize compatible brand smart chips.  Error messages such as the following display to the user:  “The ink cartridges appear to be missing or damaged” “Replace the ink cartridges to resume […]