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Using the Control Panel 239
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Switches to the B/W mode, which is the monochrome printing
mode with only one black toner cartridge installed.
Change mode 4 × B/W
Switches to the 4 × B/W mode, which is the monochrome printing
mode with four black toner cartridges installed.
Change mode Color
Switches to the Color mode, which is the color printing mode with
the C, M, and Y toner cartridges installed.
KC/KM/KY/KK Toner
This setting is available only when the printer is in the 4 × B/W
mode. When you find a faint printing pattern on the Toner Check
Sheet, set the indicated toner cartridge to Disable to maintain
printing quality.
Reset Menu
This menu allows you to cancel printing and reset the printer
settings.
Clear Warning
Clears warning messages that show errors except for these that
occur from consumable products or mandatory-replacement
parts.
Clear All Warnings
Clears all warning messages that appear on the LCD panel.
Reset