The protection bar has not been removed:
If you do not remove the protective cover or plastic strip when you first remove the new ink cartridge from the package, the printer will not be able to register the new ink cartridge, which can cause problems. Take the ink cartridge out of the printer and make sure that all strips, tabs, or plastic covers are removed before reinstalling the ink cartridge.
Need internal memory reset:
When you install a new ink cartridge and reset its internal memory, the printer should automatically recognize it to ensure that it shows full ink and toner levels. and many more. However, sometimes the printer just cannot perform this operation correctly and thinks that the old ink cartridge or no ink cartridge is currently inserted.
HP cartridge protection is enabled:
Although firmware updates are usually required, if you have HP printer cartridges or HP printer, you may install an update to “enable cartridge protection,” which prevents these cartridges from working properly on other printers. Cartridge protection may also completely prevent compatible products from working on your machine.
An incorrect consumable is installed in the slot:
Putting the color ink or toner cartridge into the wrong slot or buying the wrong ink cartridge model for the printer is an easy mistake. In addition, if you accidentally purchase a toner cartridge or fuser or other maintenance items instead of a toner cartridge, and install the toner cartridge without toner, the printer will not work and a new toner cartridge will still be needed.
Remove all ink cartridges from the printer and double check that they are in the correct color slots and all necessary ink cartridges are present. If they are not, please reinstall them, and then turn them off and on the printer to reset the system.
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