General information
Printer model configurations
TM
The Lexmark
MX622ade, MX622adhe, MB2650ade, MB2650adwe, and XM3250 printers are
network‑capable, multifunction laser printers. The printers support monochrome printing and are embedded
with home screen solutions and applications. All information in this service manual pertains to all models unless
explicitly noted.
The printers are available in the following models:
Model
Configurations
MX622ade
Monochrome laser 4‑in‑1 MFP with 7.0" color touch
screen and fax
MX622adhe
Monochrome laser 4‑in‑1 MFP with 7.0" color touch
screen, fax, and hard drive
MB2650ade
Monochrome laser 4‑in‑1 MFP with 7.0" color touch
screen and fax
MB2650adwe
Monochrome Laser 4‑in‑1 MFP with 7.0" color touch
screen, wireless, and fax
XM3250
Monochrome laser 4‑in‑1 MFP with 7.0" color touch
screen, fax, and hard drive
Finding the serial number
Open door A, and then find the serial number at the right side of the printer.
Supported paper sizes, types, and weights
General information
21
Machine type / model
7018-676
7018-678
7018-676
7018-686
7018-679
7018