Lexmark CS963 User Manual page 313

Maintain the printer 313
Warning—Potential Damage: Do not expose the imaging kit to direct light. 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.
Note: Place the imaging kit on a clean, flat surface and in an upright position to avoid scratching or
damaging the photoconductor drum.