Lexmark MS821

Printer controller board connectors...........................................................................................................749
Maintenance..............................................................................................757
Inspection guide..............................................................................................................................................757
Scheduled maintenance............................................................................................................................... 758
Fuser maintenance kits............................................................................................................................................758
Maintenance kits........................................................................................................................................................760
Identifying the type of fuser used in the printer................................................................................................762
Preventive maintenance............................................................................................................................... 762
Device‑specific preventive maintenance............................................................................................................762
Lubrication specification............................................................................................................................... 763
Cleaning the printer........................................................................................................................................763
Cleaning the printer..................................................................................................................................................763
Cleaning the printhead glass .................................................................................................................................764
Emptying the hole punch box ................................................................................................................................765
Parts catalog............................................................................................. 766
Legend...............................................................................................................................................................766
Assembly 1: Covers.........................................................................................................................................767
Assembly 2: Fuser.......................................................................................................................................... 769
Assembly 3: Electronics 1.............................................................................................................................. 773
Assembly 4: Electronics 2............................................................................................................................. 775
Assembly 5: Motors........................................................................................................................................ 777
Assembly 6: Sensors 1................................................................................................................................... 779
Assembly 7: Sensors 2................................................................................................................................... 781
Assembly 8: Duplex........................................................................................................................................783
Assembly 9: Frames.......................................................................................................................................785
Assembly 10: Control panel (2.4‑inch display).........................................................................................787
Assembly 11: Control panel (4.3‑inch display)..........................................................................................789
Assembly 12: Tray/feed...................................................................................................................................791
Assembly 13: Miscellaneous.........................................................................................................................793
Assembly 14: Maintenance kits....................................................................................................................795
Assembly 15: 250- and 550-sheet tray options 1................................................................................... 799
Assembly 16: 250- and 550-sheet tray options 2...................................................................................801
Assembly 17: 2100‑sheet tray option 1......................................................................................................805
Assembly 18: 2100‑sheet tray option 2.....................................................................................................807
Assembly 19: 2100‑sheet tray option 3.....................................................................................................809
Assembly 20: Optional bins...........................................................................................................................811
4064
Table of contents
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