Lexmark CX730 User Manual page 221

Maintain the printer 221
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.
7
Unpack the new imaging kit.
Note: The imaging kit includes the imaging kit and the cyan, magenta, and yellow developer units.