Oki MC860n MFP Dealing with Unsatisfactory Copying, Symptoms, Possible Causes, Steps To Take

SYMPTOMS	POSSIBLE CAUSES	STEPS TO TAKE
Horizontal Lines and	When the interval is about 94	Wipe it lightly with a soft cloth. Replace
spots appear	mm (4 in), the image drum	the image drum cartridge when it is
periodically.	(the green tube) is damaged	damaged.
	or dirty.
	When the interval is about 42	Open/close the top cover, and print
	mm (1.5 in), there may be	again.
	foreign particles in the image
	drum cartridge.
	When the interval is about 87	Replace the fuser unit.
	mm (3.5 in), the fuser unit is
	damaged.
	The image drum cartridge has	Replace the image drum cartridge if
	been exposed to light.	the problem is not resolved.
White area of paper is	Paper contains static.	Use paper stored in proper
lightly stained.		temperature and humidity conditions.
	Too thick paper is used.	Use thinner paper.
	The toner is low.	Open the top cover and tap the
		cartridge a few times to evenly
		distribute any remaining toner. If
		symptoms persist, replace the toner
		cartridge.
Periphery of the letters	The LED head is dirty.	Wipe the LED head with a soft, lint-free
is smudged.		cloth.
Toner comes off when	The thickness and type of the	Set the correct value of Media Type
it is rubbed.	paper are incorrectly set.	and Media Weight in the Paper Setup
		menu or set one value thicker for
		Media Weight.
	Recycled paper is used.	Set one value thicker for Media Weight
		in the Paper Setup menu.
Glossiness is not	The thickness and type of the	Set the correct value of Media Type
uniform.	paper are incorrectly set.	and Media Weight in the Paper Setup
		menu or set one value lighter for Media
		Weight.

Dealing with Unsatisfactory Copying

As well as the suggestions provided in “Dealing with unsatisfactory printing” on page 151, ensure that the scanner unit glass is clean at all times. Refer to “...the Document Glass” on page 131.

Troubleshooting > 152