\n\n\nA superb gloss based toner refill for Xerox 1235/2135/7300 (please note these printers use our OKI based toner) \n1 bottle = approx capacity 4k pages @ 5% coverage. \n\nWe recommend 1 bottle of each colour for models\n1235\n\nWe recommend 2 bottle of each colour for models\n2135/7700\n\nPlease note the starter cartridges that ship with the printer from new can not be filled, you will need to buy a set of our pre filled cartridges first. All supplied with easy to use instructions. 3-5 minutes for a novice to fill their first cartridge. Technical support is available by phone.