For the following:

Canon CRG-125/325/725 Toner Cartridge 1,600 pages
Canon LBP-6000
Canon LBP-6018

- Your toner cartridge will shut down at every 1,600 page cycle, leaving you unable to print, even though there may be plenty of toner left in the cartridge. Slash printing costs by simply replacing the chips which shut the cartridges down, to extend toner cartridge life by up to 30-40%, or use the chip if you are refilling the cartridges, to get them working again.

- Each chip lasts for one cycle of 1,600 printed pages, after which it must be replaced again.

- 1 x set of illustrated, easy to follow instructions. The procedure takes about thirty seconds and requires only a small sharp knife.