Panasonic KX-P8420 User Manual

1)If error or warning messages are shown on front panel LCD, troubleshoot them.

2)If WebTools are used, close them first.

3)If still cannot be performed, turn off/on the printer and try again.

Trouble: A single color appears faded.

Possible Cause: The toner is almost depleted. Check the LCD message or maintenance menu on the front panel.

Corrective Action: Replace the color toner cartridge soon (depending on the complexity of your prints, you can

continue to print up to 100 more pages).

Possible Cause: The color density is set incorrectly in the printer panel.

Corrective Action: See “

Chapter 7 

Color Calibration” in Operating Instructions Manual. Color adjustment settings

may affect the color output. Reset the settings.

Trouble: Prints have dull, faded colors.

Corrective Action: Adjust or calibrate colors. See “

Chapter 7 

Color Calibration” in Operating Instructions manual.

Corrective Action: Make sure that the color imaging unit stays covered until immediately before installing it in the

printer. Exposure to light for more than 45 seconds can damage the color imaging unit.

Corrective Action: Make sure that the toner cartridges are installed correctly.

Corrective Action: Make sure that you use a high-quality laser paper: 60–105 g/m 2 (16-28 lbs.) paper in the media

trays and 75–165 g/m 2 (20–44 lbs.) paper in the multi-purpose tray.