Lexmark MX421 User Manual page 161

Maintaining the printer
•
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 touch screen
CAUTION—SHOCK HAZARD: To avoid the risk of electric shock when cleaning the exterior of the
printer, unplug the power cord from the electrical outlet and disconnect all cables from the printer before
proceeding.
1
Turn off the printer, and then unplug the power cord from the electrical outlet.
2
Using a damp, soft, lint‑free cloth, wipe the touch screen.
Notes:
•
Do not use household cleaners or detergents, as they may damage the touch screen.
•
Make sure that the touch screen is dry after cleaning.
3
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 scanner
1
Open the scanner cover.
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