Lexmark MB3442 User Manual page 117

Maintain the printer
2
Remove the imaging unit.
3
Twist the blue latch, and then remove the used toner cartridge from the imaging unit.
Warning—Potential Damage: Do not expose the imaging 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 photoconductor drum. Doing so may affect the quality of
future print jobs.
117