WorkCentre Pro 421 User Guide
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Customer Replaceable Units
Replacing the Toner Cartridge
The Toner Cartridge is a customer replaceable unit. This
assembly holds the toner for the WorkCentre Pro 421.
After approximately 7,500 copies the machine will display a
message to replace the toner. When this message appears
install a new toner cartridge.
WARNING:When ordering a new Toner Cartridge make
sure the correct cartridge is ordered for the WorkCentre
Pro 421. For assistance, the product number is displayed
on the cartridge box.
CAUTION: Do not shake an empty cartridge or hold it
close to you. Some toner residue might accidentally spill.
Do not shake the empty Toner Cartridge and return it to
the machine to extend its use.
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Open the Front Cover.
Содержание WorkCentre Pro 421
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