With some HP DeskJet printers, you need to fool the printer into thinking you have replaced the old ink cartridge with a new ink cartridge instead of a refilled ink cartridge that you filled yourself. If the printer keeps telling you to replace the ink cartridge or the ink level still reads empty, you can reset the printer so that it will recognize...
this is much better than resetting your ink cartridge. just use a q tip and clean the metal part. works amazingly. for dried out ink cartridges
How to Reset PG 40, CL 41 Ink Cartridges | Printcartridgedirect
Canon markets a line of ink-jet printers for residential use that employ individual ink cartridges. These printers contain a chip that monitors the ink usage from the cartridges. The chip isn't always accurate, however. In many cases, a cartridge is not actually empty when the monitor indicates that it is. In these cases, the ink cartridge needs to be reset and the monitor disabled in order to use the rest of the ink in the cartridge.
un reset à encre : à essayer
Remanufactured HP 933XL CN055AN High Capacity Magenta Ink Cartridge $10.99