Sharp AR-M236 (serv.man12) User Manual / Operation Manual ▷ View online
59
5
TROUBLESHOOTING
If you experience difficulty using the machine, check the following troubleshooting guide before calling for service.
Many problems can be easily resolved by the user. If you are unable to solve the problem using the troubleshooting
guide, turn off the power switch, unplug the machine, and contact your authorised service representative. The
following problems are related to the general operation of the machine and copying.
For problems related the to printer, fax, and network scanner functions, see the corresponding operation manuals.
Many problems can be easily resolved by the user. If you are unable to solve the problem using the troubleshooting
guide, turn off the power switch, unplug the machine, and contact your authorised service representative. The
following problems are related to the general operation of the machine and copying.
For problems related the to printer, fax, and network scanner functions, see the corresponding operation manuals.
Problems related to machine operation
Problem
Cause and solution
Page
The machine does not operate.
Power switch OFF.
→ Turn the power switch ON.
13
The machine is warming up.
→ The machine requires about 23 seconds to warm up after the
power switch is turned on. While the machine is warming up,
copy settings can be selected but copying is not possible. Wait
until "READY TO COPY." appears.
copy settings can be selected but copying is not possible. Wait
until "READY TO COPY." appears.
13
Out of paper.
→ Load paper.
17
Out of toner.
→ Replace the toner cartridge.
71
Misfeed occurs.
→ Remove the misfed paper.
63
The power is on but copying is not
possible.
possible.
The machine is in auto power shut-off mode.
→ If only the [START] key (
) blinks, auto power shut-off mode
has activated. Press the [START] key (
) to return the machine
to normal operation.
14
Copy mode is not selected.
→ Press the [COPY] key to select copy mode.
10
Two-sided copying is not possible.
Automatic two-sided copying was attempted on paper
that is not suitable for automatic two-sided copying.
that is not suitable for automatic two-sided copying.
→ Two-sided copying is not possible on special paper. Use paper
that is suitable for automatic two-sided copying.
27
Two-sided copying is prohibited in the key operator
programs.
programs.
→ Change the setting in the key operator programs to permit
two-sided copying.
Key
operator’s
guide
Wrong paper size is displayed for
paper in the bypass tray.
paper in the bypass tray.
The bypass tray extension is not pulled out.
→ To detect the paper size correctly, the bypass tray extension
must be pulled out when the paper is loaded.
18
A copy job stops before it is
finished.
finished.
Too many pages have accumulated in the output tray,
causing the tray full sensor to activate. Further
copying is not possible until the pages are removed.
causing the tray full sensor to activate. Further
copying is not possible until the pages are removed.
→ Remove the pages from the output tray.
-
The contrast of the touch panel is
too high or too low.
too high or too low.
The display contrast has not been adjusted.
→ Adjust the contrast using "DISPLAY CONTRAST" in the custom
settings.
52
Image cannot be rotated.
Neither auto paper selection nor auto image mode are
selected.
selected.
→ Rotation copy functions only if auto paper select mode or auto
image mode is selected.
25, 30
Rotation copy is prohibited in the key operator
programs.
programs.
→ Change the setting in the key operator programs to permit
rotation copying.
Key
operator’s
guide
60
TROUBLESHOOTING AND MAINTENANCE
Original size is not selected
automatically, or copying does not
take place on paper that matches
the original size.
automatically, or copying does not
take place on paper that matches
the original size.
The document cover/RSPF was not opened completely
when the original was placed on the document glass.
when the original was placed on the document glass.
→ Open the document cover/RSPF completely, place the original on
the document glass, and close the RSPF.
-
The original contains large black solid areas.
→ If the original contains any large black solid areas, the original
size may not be detected automatically. Use the [SPECIAL
MODES] key to select the original size.
MODES] key to select the original size.
47
The original is smaller than A5 (5-1/2" x 8-1/2") size.
→ When the original is smaller than A5 (5-1/2" x 8-1/2") size, the
size cannot be detected. Use the [PAPER SELECT] key to select
the desired paper size.
the desired paper size.
22
The original is not a standard size.
→ When the original is not a standard size, the size cannot be
detected. Manually select the closest standard original size, or
use the [PAPER SELECT] key to select the desired paper size.
use the [PAPER SELECT] key to select the desired paper size.
22, 47
Paper size for a paper tray cannot
be set.
be set.
A copy, print job, or received fax is being printed.
→ Set the correct paper size after printing is finished.
-
Operation has temporarily stopped because the tray is
out of paper or a misfeed occurred.
out of paper or a misfeed occurred.
→ Load paper or remove the misfeed, finish the copy job, and then
set the paper size.
19, 63
During an interrupt copy job.
→ Set the correct paper size after the interrupt copy job is finished.
34
Misfeed occurs.
→ Remove the misfed paper.
63
Paper tray settings are prohibited in the key operator
programs.
programs.
→ Change the setting in the key operator programs to permit paper
tray settings.
Key
operator’s
guide
Order of copies is incorrect.
The originals were placed in the wrong order.
→ When using the document glass, scan the originals one sheet at
a time beginning from the first page. When using the RSPF, insert
the originals with the first page on top and facing up.
the originals with the first page on top and facing up.
23
The job is cancelled after the
originals were being scanned.
originals were being scanned.
The memory become full while the originals were
being scanned.
being scanned.
→ When using a function such as pamphlet copy or multi shot copy
where all original pages are scanned into memory before copying
begins, scanning will stop and copying will not take place if the
memory becomes full. The number of pages that can be scanned
into memory can be increased by installing more memory.
begins, scanning will stop and copying will not take place if the
memory becomes full. The number of pages that can be scanned
into memory can be increased by installing more memory.
78
Not all pages are copied.
The memory become full while the originals were
being scanned.
being scanned.
→ When the memory becomes full while the originals are being
scanned, you can select whether you want to continue the job
and print only those originals that were scanned, or cancel the
job. If you continue the job, copies will only be made of the
originals that were scanned, and thus all originals cannot be
copied at once.
and print only those originals that were scanned, or cancel the
job. If you continue the job, copies will only be made of the
originals that were scanned, and thus all originals cannot be
copied at once.
-
The RSPF cannot be used.
Use of the RSPF has been prohibited in the key
operator programs.
operator programs.
→ Enable use of the RSPF in the key operator programs.
Key
operator’s
guide
Lighting fixture flickers.
The same power outlet is used for the lighting fixture
and the machine.
and the machine.
→ Connect the machine to a power outlet which is not used for other
electric appliances.
4
Problem
Cause and solution
Page
61
TROUBLESHOOTING AND MAINTENANCE
5
Paper feeding problems
Problem
Cause and solution
Page
When using paper fed from the
bypass tray, the copied image is
skewed.
bypass tray, the copied image is
skewed.
The number of sheets placed on the bypass tray
exceeds the maximum number.
exceeds the maximum number.
→ Do not place more than the maximum number of sheets.
15
The bypass guide is not adjusted to the size of the
loaded paper.
loaded paper.
→ Adjust the bypass guide to the size of the loaded paper.
18
Paper from the bypass tray
misfeeds.
misfeeds.
The paper type setting is not correct.
→ When using a special paper, be sure to set the correct paper
type.
20
The number of sheets placed on the bypass tray
exceeds the maximum number.
exceeds the maximum number.
→ Do not place more than the maximum number of sheets.
15
The bypass guide is not adjusted to the size of the
loaded paper.
loaded paper.
→ Adjust the bypass guide to the size of the loaded paper.
18
Paper misfeeds.
The paper is outside of the specified size and weight
range.
range.
→ Use copy paper within the specified range.
15
Paper is curled or damp.
→ Do not use curled or crimped paper. Replace with dry copy 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.
remove the paper from the tray and store it in a dark place in a
bag to prevent moisture absorption.
78
Paper is not loaded properly.
→ Make sure the paper is properly loaded.
17
Pieces of paper remain inside machine.
→ Remove all pieces of misfed paper.
63
Sheets of paper stick together.
→ Fan the paper well before loading it.
17
62
TROUBLESHOOTING AND MAINTENANCE
Image quality problems
Problem
Cause and solution
Page
Copies are too dark or too light.
The image of the original is too light or too dark.
→ Select the correct original image type in the exposure setting and
adjust the copying exposure.
29
The copying exposure is set to "AUTO".
→ The "EXPOSURE ADJUSTMENT" key operator program can be
used to adjust the exposure level used for "AUTO" exposure.
Consult the administrator of the machine.
Consult the administrator of the machine.
Key
operator’s
guide
The original type that is most suitable for the original
has not been selected in the copy exposure setting
screen.
has not been selected in the copy exposure setting
screen.
→ Change the original type selection to "AUTO", or manually select
the most suitable original type setting.
29
Text is not clear in a copy.
The correct original type has not been selected in the
copy exposure setting screen.
copy exposure setting screen.
→ Change the original type setting to "TEXT".
29
Part of the copied image is cut off.
The original was placed in the wrong position.
→ Place the original in the correct position. When using the
document glass, place the original against the far left side.
22, 23
A suitable ratio for the original size and paper size has
not been selected.
not been selected.
→ Use auto ratio selection to obtain the correct ratio for the copy.
30
The tray’s paper size setting was not changed when a
different size of paper was loaded in the tray.
different size of paper was loaded in the tray.
→ Be sure to change the tray’s paper size setting when loading a
different size of paper in the tray.
19
(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.
(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.
47
Blank copies.
The original is not placed face up in the RSPF or face
down on the document glass.
down on the document glass.
→ Place the original face up in the RSPF or face down on the
document glass.
22, 23
Paper is wrinkled or the copied
image comes off when the paper
surface is rubbed.
image comes off when the paper
surface is rubbed.
The paper is outside of the specified size and weight
range.
range.
→ Use copy paper within the specified range.
15
The paper type setting is not correct.
→ Set the correct paper type. To set the paper type for a tray, see
"CHANGING A TRAY’S PAPER TYPE AND PAPER SIZE
SETTINGS".
SETTINGS".
19, 20
Paper is curled or damp.
→ Do not use curled or wrinkled paper. Replace with dry copy
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.
time, remove the paper from the tray and store it in a dark place
in a bag to prevent moisture absorption.
14
Copies are smudged or dirty.
The document glass or the underside of the RSPF is
dirty.
dirty.
→ Clean regularly.
74
The original is smudged or blotchy.
→ Use a clean original.
-
White or black lines appear copies.
The scanner glass for the RSPF is dirty.
→ Clean the long, narrow scanning glass.
74
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