Fault 41 keeps on coming up when printing - HP DeskJet 1220c InkJet Printer

In most cases unseating and reseating the cartridge in the unit to dislodge residue from the cartridge contacts can resolve the problem. If this does not immediately resolve the problem, continue the reseating process up to five times. Follow the instructions below. Unseating and reseating the cartridge Turn the unit on and open the lid or top cover. Remove the cartridges. Re-insert the cartridges. Close the unit's lid or top cover. Cycle the power to the device by turning the printer off for a few seconds. Turn the printer back on. Print a test page. If this does not solve the problem, proceed to the next section. Wiping the cartridge contacts Turn the unit on and open the lid or top cover. Remove the cartridges. Using a clean, dry lint-free cloth (a coffee filter works well), wipe the cartridge contacts, from the top to the bottom (see Figure 2). The contact area of the cartridge should be rubbed briskly to remove the waxy lubricant material from the gold contacts. The contacts inside the printer may also require cleaning. Using a clean, dry, lint-free cloth, gently wipe the contacts, from the top to the bottom (see Figure 3). Re-insert the cartridges and close the printer's top cover. Print a test page. If the problem persists, perform a hard reset as described in the next section. Performing a hard reset on the unit When the printing unit detects an issue with the cartridge, a software flag is set inside the device. This flag may not reset until performing a hard reset on the device Verify that the unit is switched on. Open printer and remove both cartridges. Unplug the power cord from the printer. Wait 30 seconds. Plug the power cord back into the printer. Open the top cover and reinsert both cartridges. Turn the unit on. Print a test page. If the problem persists, the cartridge should be replaced.