Lexmark C4342 User Manual page 139

Maintain the printer 139
6
Remove the black imaging unit.
Warning—Potential Damage: Do not expose the photoconductor unit to direct light for more than 10
minutes. Extended exposure to light may cause print quality problems.
Warning—Potential Damage: Do not touch the shiny photoconductor drum under the imaging unit.
Doing so may affect the quality of future print jobs.