Toner cartridge

Estimated yield is a number published by manufacturers to provide consumers with an idea of how many pages they can expect from a cartridge.

For many years, manufacturers developed their own methods for testing and reporting the yields of their toner cartridges, making it difficult for customers to compare products.

Manufacturers warn about the poor quality of third-party cartridges—which their suppliers deny—sometimes stating that their use will void the printer warranty.

A poorly remanufactured (or newly manufactured) cartridge may leak, malfunction, or damage the printer.

[4] On March 28, 1989, Fred Keen was granted a United States Patent for the "Refillable Toner Cartridge.

"[5] Remanufactured, compatible, OEM and refilled toner cartridges are available from a variety of sources across the world.

[citation needed] Larger remanufacturers used to collect old, empty and unused cartridges for recycling but nowadays they manufacturer theirs.

Remanufacturers will put together countless cartridges (OEM and compatible) and sell to the retail market at discounted rates.

[6] Each brand new toner cartridge requires the burning of over 2 US quarts (190 cl) of petroleum in the manufacturing process.

also claim that the recycling programs devised by manufacturers are not always as environmentally friendly as consumers might think or in comparison to other options that may be available.