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.
HP D7H14-67901, Kit de transfert, Laser, Noir, HP Color LaserJet Enterprise M855 (A2W77A, A2W78A, A2W79A, D7P73A), flow MFP M880 (A2W75A, A2W76A,..., 600 mm, 503 mm