Amazon.com: Canon PG-240XL Black Ink Cartridge, Compatible to MG3620, MG3520, MG4220,MG3220 and MG2220 AND Canon CL-241 Color Ink Cartridge : Office Products
Amazon.com: Canon PG-240 XL Black & CL-241 XL Color Ink Cartridge Value Pack for PIXMA Printers : Office Products
PG-240 XL CL-241 XL Ink Combo for Canon PIXMA MG3600 MX472 MX452 Printer lot | eBay
Canon Support for PIXMA MP240 | Canon U.S.A., Inc.
Canon 240 Ink Cartridge | PG-240XXL Black, 2-Pack at $41.90
Canon 245xl Single Ink Cartridge - Black (8278b013) : Target