This component serves as a user-replaceable waste ink collection tank for various Canon PIXMA MegaTank printers. It absorbs excess ink accumulated during necessary printhead cleaning routines and initial ink fillings to safeguard the printer from internal leaks.Supported Printer ModelsThe front panel lists compatibility for several regional variants of Canon's continuous ink supply system (CISS) line, categorized by series:G1000 & G2000 Series: PIXMA G1330, G1430, G1530, G1737, G1831, G2470, G2570, G2770, G2870G3000 Series: PIXMA G3370, G3470, G3471, G3472, G3570, G3571, G3572, G3870, G3871, G3872G4000 Series: PIXMA G4470, G4570, G4770