Sharp AR-M256 (serv.man18) User Manual / Operation Manual ▷ View online
63
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.
80
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.
65
Sheets of paper stick together.
→ Fan the paper well before loading it.
17
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64
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 image type selection to "AUTO", or manually
select the most suitable original image type setting.
29
Text is not clear in a copy.
The correct original image type has not been selected
in the copy exposure setting screen.
in the copy exposure setting screen.
→ Change the original image 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
An inch paper size is being used.
→ When using copy paper that is an inch 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.
80
Copies are smudged or dirty.
The document glass or the underside of the RSPF is
dirty.
dirty.
→ Clean regularly.
76
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.
76
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65
5
MISFEED REMOVAL
When a misfeed occurs during copying, the message "MISFEED HAS OCCURRED." will appear in the touch panel
and printing will stop.
● If the misfed paper tears during removal, remove the torn pieces. Take care not to touch the photoconductive
and printing will stop.
● If the misfed paper tears during removal, remove the torn pieces. Take care not to touch the photoconductive
drum while removing the pieces. Nicks and scratches on the drum will cause dirty copies.
First, locate the misfeed
Misfeed in the RSPF (p.66)
Misfeed in the finisher (p.71)
Misfeed in the machine (p.67)
Misfeed in the bypass tray (p.67)
Misfeed in the upper paper tray (p.69)
Misfeed in the lower paper tray (p.70)
Misfeed in the finisher (p.71)
Misfeed in the machine (p.67)
Misfeed in the bypass tray (p.67)
Misfeed in the upper paper tray (p.69)
Misfeed in the lower paper tray (p.70)
MISFEED REMOVAL GUIDANCE
Misfeed removal guidance can be displayed by touching the [INFORMATION] key on the touch panel after a
misfeed has occurred.
misfeed has occurred.
If the fax option is installed, all received faxes are stored in memory. The faxes are automatically printed after the
misfeed is removed.
misfeed is removed.
A MISFEED HAS OCCURRED.
INFORMATION
2
3
4
5
4
5
6
1
1
2
3
4
5
6
Note
INFORMATION
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66
TROUBLESHOOTING AND MAINTENANCE
MISFEED IN THE RSPF
1
Remove the misfed original.
Check sections A, B, and
C in the illustration at left
and remove the misfed
original.
C in the illustration at left
and remove the misfed
original.
Section A
Open the document
feeder cover and
carefully remove the
misfed original from the
document feeder tray.
Close the document
feeder cover.
feeder cover and
carefully remove the
misfed original from the
document feeder tray.
Close the document
feeder cover.
Section B
Open the RSPF and
rotate the release roller in
the direction of the arrow
to feed the original out.
Close the RSPF and then
carefully remove the
original.
rotate the release roller in
the direction of the arrow
to feed the original out.
Close the RSPF and then
carefully remove the
original.
If the misfed original
cannot be removed,
open the document
transport cover (below),
and rotate the release
roller again.
cannot be removed,
open the document
transport cover (below),
and rotate the release
roller again.
If a small original (5-1/2" x 8-1/2", etc.) is misfed, or if
an original misfeed occurs in the reversing tray of the
RSPF, lift the document transport cover knob, open the
document transport cover, and remove the original.
an original misfeed occurs in the reversing tray of the
RSPF, lift the document transport cover knob, open the
document transport cover, and remove the original.
Section C
Carefully remove the
misfed original from the
exit area.
misfed original from the
exit area.
If the misfed original cannot be easily removed from
the exit area, open the moveable part of the document
feeder tray and remove the reversing tray, and then
remove the original.
the exit area, open the moveable part of the document
feeder tray and remove the reversing tray, and then
remove the original.
2
Open and close the RSPF to clear the
misfeed message from the touch
panel.
misfeed message from the touch
panel.
The message can also
be cleared by opening
and closing the
document feeder cover
or the document
transport cover.
be cleared by opening
and closing the
document feeder cover
or the document
transport cover.
After the misfeed is removed and the misfeed
message is cleared, a message will appear indicating
the number of originals that must be reinserted in the
RSPF.
message is cleared, a message will appear indicating
the number of originals that must be reinserted in the
RSPF.
3
Reinsert the originals that still must
be scanned (Including the original that
was being scanned when the misfeed
occurred.), and press the [START]
key(
be scanned (Including the original that
was being scanned when the misfeed
occurred.), and press the [START]
key(
).
Copying of the remaining originals will resume.
A
C
B
Document feeder cover
Roller
Document
transport cover
transport cover
Document transport
cover knob
cover knob
After removing a misfed original from the
exit area, be sure to attach the reversing tray
securely to the exit area (When the RSPF is
installed.).
exit area, be sure to attach the reversing tray
securely to the exit area (When the RSPF is
installed.).
Moveable
part
Reversing tray
Note
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