Sharp FO-4650 - Manual (Page 26)

Installing the Print Cartridges
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When to replace the toner cartridge
When the toner cartridge nears empty (about 100 pages can still be
printed), the toner cartridge indicator on the operation panel will
blink. When the toner cartridge is empty, the toner cartridge indicator
will light steadily and REPLACE TONER will appear in the display.
Printing will no longer be possible. Use the following replacement
toner cartridge:
Sharp FO-47ND toner cartridge
When to replace the drum cartridge
When the drum cartridge life is over, the drum cartridge indicator on
the operation panel will blink and DRUM LIFE OVER will appear in
the display. Use the following replacement drum cartridge:
Sharp FO-47DR drum cartridge
♦ Caution!
Be sure to use only genuine Sharp supplies.
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