Oki CX1145 MFP Operator's Manual For Basic Function page 266

Replacing the Yellow (Y), Magenta (M), Cyan (C) toner cartridge
Follow the procedure on the touch panel shown at the replacement of the color toner cartridge.
When you want to replace a cartridge before the Replace toner cartridge symbol blinks, see the procedure
of "Replacing the Toner Cartridge" in Chapter 3 SETTING ITEMS (USER) in the User Functions Guide.
1 When the color toner in the cartridge has run out, the following menu
appears. Press the button corresponding to the color to be replaced.
• The menu above appears every time after the period of time specified in the automatic function clear setting
has passed while the empty cartridge is left without being replaced.
• You can print in the black mode if necessary while the color toner cartridge is empty.
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