Sharp AR-M550N, AR-M700U, AR-M620N, AR-M700N, AR-M550U, AR-M620U specifications Troubleshooting

TROUBLESHOOTING

Check the following troubleshooting list before requesting service as many problems can be fixed by the user. If you are unable to solve the problem by checking the list, turn off the main power switch and the power switch, and unplug the power cord.

Problems related to the copy function are described below. For problems related to general use of the machine, see page 2-26.

Problem				Check	Solution
Machine does			not	Is the [START] key indicator off?	This indicates that the machine is warming
operate.					up (warming up lasts no more than 120
					seconds after the power switch is turned on).
					Copying is not possible during this time.
					Wait until the [START] key light illuminates.
Copies are too dark				Is the original image too dark or too light?	Select an appropriate exposure mode for
or too light.					the original being copied and adjust the copy
					exposure. (See page 4-14.)
				Is the exposure mode set to "AUTO"?	The exposure level for "AUTO" can be
					adjusted using the "Exposure adjustment"
					key operator program. Contact your key
					operator. (See page 14 of the key operator's
					guide.)
				An appropriate exposure mode for the	Change the exposure mode to "AUTO" or
				original has not been selected.	manually select an appropriate resolution
					setting. (See page 4-14.)
Text is not clear on a				An appropriate exposure mode for the	Change the exposure mode to "TEXT". (See
copy.				original has not been selected.	page 4-14.)
Smudges appear on				Document glass or document cover dirty?	Clean regularly. (See page 6-2.)
copies.
				Black lines appear on copies when the	Clean the original scanning area. (See page
				automatic document feeding function is	6-2.)
				used.
				Original smudged or blotchy?	Use a clean original.
Image	cannot		be	Is the auto paper select or auto image	Rotation copy functions only if the machine
rotated.				function selected?	is either in the auto paper select mode or in
					the auto image mode. (See page 4-15.)
Part	of	original		Is the original positioned correctly?	Set the original properly. (See page 4-3.)
image is not copied.
				Is the copy ratio proper for the original and	Use the auto image function to select the
				paper sizes?	appropriate copy ratio based on the original
					and copy sizes. (See page 4-15.)
Blank copies				Is the original placed correctly?	When using the document glass, place the
					original face down.
					When using the automatic document feeder,
					place original face up. (See page 4-3.)
Order	of	copies		Is the order of originals correct?	When using the document glass, place the
incorrect					originals from the first page one sheet at a
					time.
					When using the automatic document feeder,
					place the originals with the first page up.
Job	cancellation			Is a message requesting cancellation of job	Press the [CA] key to cancel the current job.
needed				displayed?

6

6-3