Lexmark E350d User Manual page 60

5
Gently wipe the printhead lens with a clean, dry, lint-free cloth.
Warning: Not using a clean, dry, lint-free cloth may result in damage to the printhead lens.
6
Install the print cartridge assembly into the printer by aligning the arrows on the guides of the print cartridge
assembly with the arrows on the tracks in the printer and pushing the print cartridge assembly in as far as it will go.
7
Close the front door.
8
Turn the printer on.
Troubleshooting
Cleaning the printhead lens
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