Canon Knowledge Base - Replace ink cartridge(s) MP250 / MP270
Canon Pixma MP270 printer installation - YouTube
1 x Black Ink Cartridge for Canon Pixma MP270 Printer : Amazon.com.be: Electronics
Canon Knowledge Base - Locate the serial number MP240 / MP250 / MP270
Canon PIXMA MP270 3744B002 Black ESAT: 8.4 ipm Black Print Speed 4800 x 1200 dpi Color Print Quality USB InkJet MFC / All-In-One Color Printer Inkjet Printers - Newegg.com