Konica Minolta C20 manual Solving Problems with Printing Quality

Symptom	Cause	Solution
Image is too	Laser lens is dirty.	Clean the laser lens.
light; there is	The copy density is	Select a darker copy density.
low image	set too light.
density.
	The media is moist	Remove the moist media and replace
	from humidity.	with new, dry media.
	There is not much	Replace the toner cartridge.
	toner left in the car-
	tridge.
	One or more of the	Remove the toner cartridges and
	toner cartridges may	check for damage. If it is damaged,
	be defective.	replace it.
	Media type is set	When printing envelopes, labels, letter
	incorrectly.	head, postcards, thick stock, glossy
		media, or transparencies, specify the
		appropriate media type in the printer
		driver.
Image is too	The copy density is	Select a lighter copy density.
dark.	set too dark.
	The document was	Position the document so that it is
	not pressed close	pressed close enough against the orig-
	enough against the	inal glass. For details on positioning
	original glass.	the document on the original glass,
		refer to “Placing a document on the
		original glass” on page 135.
	One or more of the	Remove the toner cartridges and
	toner cartridges may	check for damage. If it is damaged,
	be defective.	replace it.
	One or more of the	Remove the imaging units and check
	imaging units may be	for damage. If it is damaged, replace it.
	defective.

282 Solving Problems with Printing Quality