Kyocera WT860 Waste Toner Bottle is very important in kyocera printers. Most of the time there is a tiny bit of toner produced while printing which is diverted to the waste toner bottle for further use. It has a yield of print upto 25,000 pages and compatible with TASKalfa 3051ci, TASKalfa 3551ci, TASKalfa 4551ci and TASKalfa 5551ci kyocera printers.