Our UCAN CTSC cartridges are for Monochrome HP & Canon Laser Printers with the following features: 1 - Prints over 12000 pages. 2 - Easiest Refilling with Secure-Fit refill design. 3 - A Printer cartridge that prints 12,000+ Pages - cheapest printing cost per page based on ISO/IEC 19752:2004 Standards. 4 - Works with 124 Laser Printer models of HP & Canon (more models under development). Searching for Dealers and Distributors Globally. For enquiries, drop an email to -->> anurag@multyzone.in