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Always check the message display whenever the copier stops or
operation is not possible. The messages will give you easy-to-follow
directions. If the messages do not give specific  instructions, check the
list below.

  Troubleshooting

Copier does not operate.

Copies are too dark or too
light.

Blank copies.

Copies smear if rubbed.

●

Copier plugged in?

●

Power switch on?

●

Copy density properly adjusted?

●

Is the original placed face down in
the document feeder tray
(AR-280), face up in the document
feeder tray (AR-285/AR-335) or
face down on the document glass?

●

Paper too heavy?

●

Paper damp?

●

Paper size indicator properly set?

Plug the copier into a grounded outlet.

Turn the power switch on.

See page 2-16.

Place the original face down in the
document feeder tray (AR-280), face
up in the document feeder tray
(AR-285/AR-335) or face down on the
document glass.

Use copy paper within the specified
range. See page 4-2.

Replace with dry copy paper. Be sure
to store copy paper in a dry location.

When changing the copy paper size in
a tray, be sure to adjust the paper size
indicator. See page 4-4.

Problem

Solution

Copy size is different from
the selected paper size.

  Troubleshooting

Problem

Solution

Paper misfeeds frequently.

Dust, dirt, smudges appear
on copies.

Touch panel is too dark or
too light.

●

Non-standard paper used?

●

Is paper properly installed?

●

Pieces of paper inside copier?

●

Paper curled or damp?

●

Document glass, document cover
(AR-280) or RADF transport belt
(AR-285/AR-335) dirty?

●

Is LCD contrast  properly
adjusted?

Use standard paper.
If using special papers, feed the paper
through the bypass tray.

See pages 2-14 and 4-2.

Remove all pieces of misfed paper.
See page 5-2.

Store copy paper flat in the wrapper in
a dry location. See page 4-8.

Clean regularly. See page 6-6.

Adjust the LCD contrast.
See page 6-7.

If a problem persists after checking the above, please consult your key
operator prior to contacting your authorised Sharp Service Centre.

An automatic self-diagnostic function is built into this copier. Should
the copier malfunction, the self-diagnostic function will locate the
problem and stop the copier to prevent damage. An alphanumeric
code will appear in the message display.

Example
Should the copier stop completely, and the message “

” appear in the message display, contact your

authorised Sharp Service Centre.

★ KEY OPERATOR

                                      

Page

●

6-2

Exterior

6-2

Interior

6-3

Operation panel

6-4

Touch panel (Basic screen)

6-5

●

6-6

●

6-7

●

6-8

This chapter describes general information for using
this copier.

Exit area cover
Open to remove misfed paper.

Power switch
Press to turn copier power on and off.

Second tray (optional)
Interrupt copies are deposited in the second tray.

Exit tray (optional)
Finished copies are deposited in the exit tray.

Operation panel
All copier controls are located here for easy
operation.

SPF/RADF exit area
Finished originals are output here.

Original guides
Adjust to the size of the originals.

Document feeder tray
Holds up to 30 (AR-280) or 50 (AR-285/AR-335)
originals.

Paper trays
Each tray holds 500 sheets of paper.

Front cover
Open to remove misfeeds and to service the
copier.

Right side cover
Open to remove misfeeds in the paper feed area.

Toner collecting container cover
Open to replace the toner collecting container.

Document glass
All originals which cannot be copied from the SPF/
RADF must be copied here.

Paper clip tray
Keep paper clips here.

Bypass tray paper guides
Adjust to the width of the copy paper.

Part names and functions