Issue
The following are probable causes when the message <16 PREP."color" TNR> appears in the display on the control panel. Follow the described instructions.
Cause and Solution
Cause:
There is a possibility that the toner cartridge of K (Black), Y (Yellow), M (Magenta), or C (Cyan) is nearing the end of its life.
Remedy:
Although you can continue to print for a while, have ready a new toner cartridge. Replace the toner cartridge of the indicated color with a new one before printing a large amount of data. After replacing the toner cartridge, reset the counter of the color of the replaced toner cartridge.
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