Maximising Sales With Loss Leader Pricing - Conjointly
How printers keep us hooked on expensive ink
Buy Canon PIXMA TR4750i Wireless Colour All-in-One Inkjet Photo Printer, Black — Canon UK Store
HP ENVY Inspire 7920e All-in-One Wireless Colour Printer with 3 months of Instant Ink Included with HP+, 35-page Automatic Document Feeder, White : Amazon.co.uk: Computers & Accessories
Epson hits 80 million milestone - The Recycler - 27/06/2023
How can HP block me from using a cheaper printer cartridge? | Consumer rights | The Guardian