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❏ When removing the developer cartridge, never touch the
developing roller under the flap; otherwise, print quality will
decline.
❏ When handling the developer cartridge, always place it on a
clean, smooth surface.
❏ Do not turn the developer cartridge upside down or stand it
on its ends.
❏ Do not attempt to modify or take the developer cartridge
apart. It cannot be refilled.
❏ Do not touch the toner and avoid all contact with your eyes.
❏ If toner is spilled, use a broom and dustpan or a damp cloth
with soap and water to clean it up. Because the fine particles
can cause a fire or explosion if they come into contact with a
spark, do not use a vacuum cleaner.