Lexmark MS421 Quick Reference - Page 3

Replacing the imaging unit, Warning-Potential Damage

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3 Unpack the new toner cartridge, and then shake it three times to redistribute the toner. Replacing the imaging unit 1 Open door A. 3 Remove the used imaging unit. 4 Insert the new toner cartridge. Note: Use the arrows inside the printer as guides. 2 Remove the toner cartridge. 5 Close door A. 3 4 Unpack the new imaging unit, and then shake it three times to redistribute the toner. 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.

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3
Unpack the new toner cartridge, and then shake it three times
to redistribute the toner.
4
Insert the new toner cartridge.
Note:
Use the arrows inside the printer as guides.
5
Close door A.
Replacing the imaging unit
1
Open door A.
2
Remove the toner cartridge.
3
Remove the used imaging unit.
4
Unpack the new imaging unit, and then shake it three times to
redistribute the toner.
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.
3