Konica Minolta 750 manual There are dark specks or Is the original glass dirty?

5

Troubleshooting Chapter 5

		Troubleshooting
Symptom	Possible Cause	Remedy
There are dark specks or	Is the original glass dirty?	Wipe the glass with a soft, dry cloth.
spots throughout the		(See p. 10-3.)
printed output.
	Is the left partition glass dirty?	Wipe the glass with a soft, dry cloth.
There are streaks in the
printed output.		(See p. 10-3.)
	Is the ADF platen guide cover	Wipe the ADF platen guide cover
	dirty?	with a soft, dry cloth. (See p. 10-4)
	Was the original document	Place a blank sheet of paper on top
	printed on highly translucent	of the document. (See p. 3-9.)
	material, such as trace paper
	or overhead projector trans-
	parencies?
	Is a double-sided document	If a thin double-sided document is
	being copied?	being copied, the information on the
		back side may be reproduced in the
		copy. Touch [Lighter] on the Back-
		ground Removal screen to select a
		lighter background density. (See
		p. 3-49.)
The image is not aligned	Is the document incorrectly	Correctly position the document
properly on the paper.	positioned?	against the document scales. (See
		p. 3-9.)
		Load the document into the ADF,
		and slide the adjustable document
		guides to fit the size of the docu-
		ment. (See p. 3-7.)
	Is the document incorrectly	If the document cannot be fed cor-
	positioned in the ADF?	rectly through the ADF, make cop-
		ies by positioning the document on
		the original glass. (See p. 3-9.)
	Is the original glass dirty	Wipe the glass with a soft, dry cloth.
	(while using the ADF)?	(See p. 10-3.)
	Are the adjustable document	Slide the document guides against
	guides incorrectly positioned	the edges of the document.
	against the edges of the doc-
	ument?
	Was curled paper loaded into	Flatten the paper before loading it.
	the paper tray?
The printed page is	Was paper that curls easily	Remove the paper from the paper
curled.	(as with recycled paper)	tray, turn it over, and then load it
	used?	again.
		Replace the paper with paper that is
		not damp.

5-12 bizhub 750/600