Lexmark MS810n / MS810dn / MS810dtn
For more information on replacing the roller kit, see the instruction sheet that came with the part.
Printer engine roller maintenance kit
40X7706
You can find here the maintenance kit replacement procedure for Lexmark MS81x, MS71x, MX81x, and MX71x Printer/MFP.
Printer Registers a 202.17 Paper Jam