This user replaceable maintenance cartridge is an essential component of your printer. It absorbs ink used in print head cleaning cycles, as well as excess ink overspray while your printer is in use. When the maintenance cartridge becomes full and needs to be replaced, you will see a message on the printers screen. Replace the maintenance cartridge occasionally to ensure high quality printing and smooth functioning of your printer. Benefits User replaceable maintenance cartridge that reduces the need for repair services Ensures high quality printing and smooth printer functioning Absorbs ink used for printhead cleaning operations Catches excess ink overspray while printing What\'s in the box MC-G02 Maintenance Cartridge Compatibility PIXMA G3560 PIXMA G3520 PIXMA G2560 PIXMA G2520 PIXMA G1520 PIXMA G3460 PIXMA G3420 PIXMA G2460 PIXMA G2420 PIXMA G1420 PIXMA G650 PIXMA G640 PIXMA G550 PIXMA G540