Sharp AR-M620N, AR-M700U, AR-M550N 2-28, Troubleshooting, Problem, Check, Solution or cause

TROUBLESHOOTING

Problem			Check	Solution or cause
			Is paper other than SHARP-	Use SHARP-recommended paper. (Page 2-17)
			recommended paper being used?
			Is paper size or weight out of the	Use paper in the allowable range.
Printed	paper	is	allowable range?
				Be sure to store paper in the wrapper in a dry
wrinkled	or	the
				location and do not store paper in a location that is
image	rubs	off
				●humid
easily.
			Paper damp?	●at a high temperature or an extremely low
				temperature
				●exposed to direct sunlight
				●dusty.
The contrast on the				Adjust the screen contrast using "DISPLAY
touch panel is		too	Is LCD contrast properly adjusted?	CONTRAST" in "DEFAULT SETTINGS" of the
high or too low.				custom settings. (Page 2-15)
				Load paper in the tray with the print side face up.
				However, if the paper type is "PRE-PRINTED" or
Printing takes place			The paper is loaded in the tray with the	"LETTER HEAD", load the paper with the print
			print side face down*.	side face down*.
on the wrong side of			* Face up if the paper type is "PRE-	* If the two-sided function has been prohibited
the paper.
			PRINTED" or "LETTER HEAD".	using "DISABLING OF DUPLEX" in the key
				operator programs (page 11 of the Key
				operator's guide), load the paper face up.
				If the original image overlaps the punch holes,
Marks	appear	at		marks will appear at the position of the holes on
				the back of the paper after one-sided printing, or
regular intervals on			Paper with punch holes is being used.
				on the front and back of the paper after two-
printed pages.
				sided printing. Make sure that the original image
				does not overlap the punch holes.

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