B710 B720 B730 User’s Guide > 129
Cleaning the Printer’s Interior
WARNING
Be sure to switch off and unplug the printer before accessing
the interior of the printer for cleaning, maintenance, or fault
clearance. Access to a live printer’s interior can cause electric
shock.
After clearing paper jams or replacing the drum/toner cartridge,
inspect the inside of the printer before closing cover A.
WARNING
• Never touch a labelled area found on or near the heat roller.
You can get burned.
• If a sheet of paper is wrapped around the heat roller, do not
try to remove it by yourself. To avoid injuries or burns,
switch off the printer immediately, and contact service.
• Remove any remaining pieces of paper.
• Remove any dust or stains with a clean dry cloth.
Cleaning the Feed Rollers
If you start to encounter difficulties with paper feed, you should
clean the feed rollers. Generally, this should be done about every
100,000 impressions, but may need to be done more often if you
are using paper which gives off a lot of paper dust.
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