Sharp AR-M276, AR-M236 operation manual Image quality problems

TROUBLESHOOTING AND MAINTENANCE

Image quality problems

Problem	Cause and solution	Page
	The image of the original is too light or too dark.	29
	→ Select the correct original image type in the exposure setting and
	adjust the copying exposure.
	The copying exposure is set to "AUTO".	Key
	→ The "EXPOSURE ADJUSTMENT" key operator program can be
		operator’s
	used to adjust the exposure level used for "AUTO" exposure.
Copies are too dark or too light.		guide
	Consult the administrator of the machine.
	The original type that is most suitable for the original
	has not been selected in the copy exposure setting
	screen.	29
	→ Change the original type selection to "AUTO", or manually select
	the most suitable original type setting.
Text is not clear in a copy.	The correct original type has not been selected in the
	copy exposure setting screen.	29
	→ Change the original type setting to "TEXT".
	The original was placed in the wrong position.	22, 23
	→ Place the original in the correct position. When using the
	document glass, place the original against the far left side.
	A suitable ratio for the original size and paper size has	30
	not been selected.
	→ Use auto ratio selection to obtain the correct ratio for the copy.
	The tray’s paper size setting was not changed when a
Part of the copied image is cut off.	different size of paper was loaded in the tray.	19
	→ Be sure to change the tray’s paper size setting when loading a
	different size of paper in the tray.
	(For AB metric countries) An inch paper size is being used.
	→ When using copy paper that is an inch size, set the original size
	manually.	47
	(For inch metric countries) An AB paper size is being used.
	→ When using copy paper that is an AB size, set the original size
	manually.
	The original is not placed face up in the RSPF or face
Blank copies.	down on the document glass.	22, 23
	→ Place the original face up in the RSPF or face down on the
	document glass.
	The paper is outside of the specified size and weight
	range.	15
	→ Use copy paper within the specified range.
	The paper type setting is not correct.
Paper is wrinkled or the copied	→ Set the correct paper type. To set the paper type for a tray, see	19, 20
	"CHANGING A TRAY’S PAPER TYPE AND PAPER SIZE
image comes off when the paper
	SETTINGS".
surface is rubbed.
	Paper is curled or damp.
	→ Do not use curled or wrinkled paper. Replace with dry copy	14
	paper. During periods when the machine is not used for a long
	time, remove the paper from the tray and store it in a dark place
	in a bag to prevent moisture absorption.
	The document glass or the underside of the RSPF is
	dirty.	74
Copies are smudged or dirty.	→ Clean regularly.
	The original is smudged or blotchy.	-
	→ Use a clean original.
White or black lines appear copies.	The scanner glass for the RSPF is dirty.	74
	→ Clean the long, narrow scanning glass.

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