Cheap Ink Cartridges & Printer Ink from $2.99 @ CompAndSave
Brother LC201BK Standard-Yield Ink Cartridge Black LC-201BKS - Best Buy
Amazon.com: AZ Compatible Ink Cartridge Replacement for Canon PFI-1000 use in imagePROGRAF PRO-1000 (PB,MB,C,M,Y,R,PM,GY,PC,CO,PG,B 12-Pack) : Office Products
What's the difference between ink and toner? | HowStuffWorks
Toner - Wikipedia
Ink vs Toner: What's the Difference? | Quill.com
Laser Toner Cartridge: What's inside? - Inkjet Wholesale Blog
Printer Toner vs. Ink: Which is more suitable for me? | Printer Ink Cartridges | YoYoInk