Lexmark MS521 Service Manual

• Make sure that all areas of the printer are dry after cleaning.
5 Connect the power cord to the electrical outlet, and then turn on the printer.
CAUTION—POTENTIAL INJURY: To avoid the risk of fire or electrical shock, connect the power cord
to an appropriately rated and properly grounded electrical outlet that is near the product and easily
accessible.
Cleaning the printhead lenses
1 Open the front door.
2 Remove the toner cartridge and imaging unit.
3 From the printhead access opening (A) in the top of the frame at the front of the printer, find the printhead
lens.
4 Insert a soft, lint‑free cloth in the opening, and gently move the cloth back and forth along the surface of
the lens to clean it.
5 Repeat step 4.
6 Reinstall the imaging unit and toner cartridge.
7 Close the front door.
4600-830, -835, -895
Maintenance
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Lexmark MS521 Specifications

General

Print Technology	Monochrome Laser
Print Speed	Up to 46 ppm
Print Resolution	1200 x 1200 dpi
Monthly Duty Cycle	Up to 120, 000 pages
Processor Speed	1 GHz
Standard Output Capacity	250 sheets
Operating System Compatibility	Windows, Mac OS, Linux
Hard Drive	Optional
Recommended Monthly Page Volume	2000 - 15000 pages
Duplex Printing	Standard
Connectivity	USB, Ethernet
Media Types Supported	Paper Labels, Card Stock, Envelopes, Plain Paper, Transparencies