IBM HL-5250DN - Manual (Page 4)

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DO NOT remove or damage the caution labels located on or around the fuser.
DO NOT use a vacuum cleaner to clean up scattered toner. Doing this might cause the toner dust to ignite
inside the vacuum cleaner, potentially starting a fire. Carefully clean the toner dust with a dry, lint-free cloth
and dispose of it according to local regulations.
DO NOT use flammable substances near the printer. Doing this might cause a fire or electrical shock.
CAUTION
Cleaning the outside of the printer:
• Make sure that you have unplugged the printer from the AC power outlet.
• Use neutral detergents. Cleaning with volatile liquids such as thinner or benzine will damage the outside
surface of the printer.
• DO NOT use cleaning materials that contain ammonia.