The 300K Maintenance Kit contains the Imaging unit maintenance kit, pick rollers and separator rollers. It is recommended that the kit be installed at 300,000 pages.
The Imaging unit maintenance kit contains a toner filter, ozone filter and a transfer roller.
Lexmark 40X9669, Maintenance kit, 300000 pages, Lexmark, Lexmark MX910de 7421-036 Lexmark MX910dxe 7421-036 Lexmark MS911de 4021-230 Lexmark MX911dte..., 1 pc(s)
Lexmark 40X9669. Product type: Maintenance kit, Page yield: 300000 pages, Brand compatibility: Lexmark. Quantity per pack: 1 pc(s)