Lexmark MX721 User Manual page 211

Clearing jams
Warning—Potential Damage: To prevent damage from electrostatic discharge, touch any exposed metal
frame of the printer before accessing or touching interior areas of the printer.
2
Remove the toner cartridge.
3
Remove 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.
211