Lexmark MX421 User Manual page 178

Maintaining the printer
9
Align the printer with the optional tray, and then lower the printer until it clicks into place.
10
Connect the power cord to the printer, and then to the electrical outlet.
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.
11
Turn on the printer.
Replacing the ADF separator roller
1
Open the ADF cover.
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