Amazon.com: DoorStepInk Remanufactured in The USA Ink Cartridge Replacements for Canon PG-30 CL-31 Black Color 2PK for PIXMA iP1800 iP1900 iP2600 MP140 MP190 MP210 MP470 MX300 MX310 : Office Products
QuikShip Toner
Canon PG-40 CL-41 Ink Tank Cartridge Combo Pack - Walmart.com
LD 1900B002 CL31 Color Ink Cartridge for Canon PIXMA iP1800 iP2600 MP140 MP190 | eBay
Amazon.com: DoorStepInk Remanufactured in The USA Ink Cartridge Replacements for Canon CL-31 Color for PIXMA iP1800 iP1900 iP2600 MP140 MP190 MP210 MP470 MX300 MX310 : Office Products
QuikShip Toner
Canon PG-30 Black Ink Cartridge For PIXMA iP1800 Printer (1899B002) | eBay