6 Remove the black imaging unit.
Note: Do not throw away the black imaging unit. It will be installed on the new imaging kit.
7 Unpack the new imaging kit.
Note: The imaging kit includes the imaging basket and the cyan, magenta, and yellow developer units.
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 aect the quality of
future print jobs.
Maintain the printer 400