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 is no need to update your firmware. If, however, you do start to have issues with the compatible ink cartridges, it may be due to the recent HP firmware update. Click on the following link to find a downloadable fix for the issue: