USE THIS CANON PG-445 BLACK AND CL-446 TRICOLOR INK CARTRIDGES TO REFILL YOUR CANON INKJET PRINTER FOR DEEP, DARK  AND ARCHIVAL QUALITY PRINTS.CANON INK CARTRIDGES ARE PRODUCED WITH A FINE PRINT HEAD TECHNOLOGY WHICH ENSURES CONSISTENT, PRECISE INK DROPLET PLACEMENT LESS VULNERABLE TO CHANGES IN TEMPERATURE AND AIRFLOW FROM PRINT HEAD MOVEMENT.COMPATIBLE WITH :PIXMA IP2840PIXMA IP2845PIXMA MG2440PIXMA MG2540PIXMA MG2545PIXMA MG2940PIXMA MG2945PIXMA MX494