Kyocera FS-C8100DN manual Clean the developing unit, Gray background Refresh drum

Troubleshooting

Printed Results	Corrective Action
Faint or blurred printing		Check the operation panel.
		•	If the Toner low (C/M/Y/K) message is displayed and the
			[Attention] indicator is flashing, install a new toner kit. Refer to Toner
			Container Replacement on page 3-8.
		•	Make sure the paper type setting is correct.
		Clean the developing unit.
		Perform the following procedures on the operation panel and try cleaning
		the developing unit using the printer’s built-in cleaning system.
	1		Press [Menu], and then press S or T to display Others >.
	2		Press X, and then press S or T to display >Service >.
	3		Press X, and then press S or T to display >>DEV-CLN. And then
			press [OK] twice.
	4		The message display shows Please wait (Calibrating), and
			cleaning will be conducted for about 5 minutes. The printer reverts to
			Ready when cleaning is finished.
Gray background	Refresh drum.
		Refer to the following procedures on the operation panel and try cleaning
		the drum surface using the printer’s built-in cleaning system.
	1		Press [Menu], and then press S or T to display Others >.
	2		Press X, and then press S or T to display >Service >.
	3		Press X, and then press S or T to display >>Drum. And then press
			[OK] twice.
	4		The message display shows Please wait, and then the drum starts
			turning and stops after approx. 100 seconds. The printer reverts to
			Ready.

Check the operation panel.

If the Toner low (C/M/Y/K) message is displayed and the [Attention] indicator is flashing, install a new toner kit. Refer to Toner Container Replacement on page 3-8.

Perform color calibration.

Perform color calibration either by switching the printer off then on or using the printer operation panel.

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