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TROUBLESHOOTING AND ROUTINE MAINTENANCE
ZleMFC-US-FAX-4750e/5750e-
3
Reinstall the drum unit into the machine.
(See
Replacing the Drum Unit, Page 19-23.)
4
Close the front cover.
5
Plug in the power cord first, and then plug in the telephone cord.
Replacing the Toner Cartridge
The machine can print up to 6,000 pages using a high yield toner cartridge.
When the toner cartridge is running low, the display shows TONER LOW. The
machine is supplied with a standard toner cartridge that must be replaced after
approximately 3,000 pages. Actual page count will vary depending on your
average document type (i.e., standard letter, detailed graphics).
It is a good idea to keep a new toner cartridge ready for use when you see the
toner low warning.
Discard the used toner cartridge according to local regulations, keeping it
separate from domestic waste. Be sure to seal the toner cartridge tightly so toner
powder does not spill out of the cartridge. If you have questions, call your local
waste disposal office.
We recommend that you clean the machine when you replace the toner
cartridge.
Toner Empty Indicator
When the toner cartridge is running low, the LCD shows TONER LOW and
the Toner Empty icon on the control panel flashes on and off to indicate the
toner is low.
The Toner Empty icon appears and the LCD shows TONER EMPTY. Once
this icon appears, your machine will not resume printing until you install a new
toner cartridge.
LCD
Toner Empty Icon