Lexmark MS321dn/MS421dn/MS421dw/MS521dn/M1242/M1246/B2338dw/B2442dw/B2546dn Service Manual
Machine Type 4600-23x, 43x, 490, 630, 690
The Lexmark MS521dn, MS421dw, MS421dn, MS321dn, B2546dn, B2442dw, B2338dw, M1246, and M1242 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.
Contents:
Notices, conventions, and safety information
Change history
General information
Diagnostics and troubleshooting
Service menus
Parts removal
Component locations
Maintenance
Parts catalog
Printer specifications
Options and features
Theory of operation
Acronyms
Index
Part number index
Part name index
Wiring diagrams |