Read Sharp AL-1555 (serv.man25) User Guide / Operation Manual online
61
8
This chapter describes misfeed removal and troubleshooting.
For problems with the printer function or the scanner function, see the online manual
or the Help file for the printer/scanner driver.
For problems with the printer function or the scanner function, see the online manual
or the Help file for the printer/scanner driver.
TROUBLESHOOTING
If any problem occurs, check the list below before contacting our Technical
Assistance Department.
Assistance Department.
Problem
Possible cause
Solution
Page
Unit does not
operate.
operate.
Unit plugged in?
Plug the unit into a grounded outlet.
12
Power switch on?
Turn the power switch on.
12
Side cover closed securely? Gently close the side cover.
11
Front cover closed?
Gently close the front cover and then
close the side cover.
close the side cover.
11
Blank copies
Is the original placed face
down on the original table
or face up in the SPF/
RSPF?
down on the original table
or face up in the SPF/
RSPF?
Place the original face down on the
original table or face up in the SPF/
RSPF.
original table or face up in the SPF/
RSPF.
47, 48
Copies are too
dark or too light.
dark or too light.
Is original image too dark or
too light?
too light?
Adjust the exposure manually.
49
Is the unit in the automatic
exposure mode?
exposure mode?
Adjust the automatic exposure level.
50
Is the unit in the photo
exposure mode?
exposure mode?
Cancel the photo exposure mode.
49
Dust, dirt,
smudges appear
on copies.
smudges appear
on copies.
Original table or original
cover dirty?
cover dirty?
Clean regularly.
59
Original smudged or
blotchy?
blotchy?
Use a clean original.
–
Striped copies
Is transfer charger clean?
Clean the transfer charger.
60
Paper misfeeds
frequently.
frequently.
Non-standard paper used? Use standard paper. If using special
papers, feed the paper through the
single bypass/multi-bypass tray.
single bypass/multi-bypass tray.
14
Paper curled or damp?
Store paper flat in the wrapper in a
dry location.
dry location.
–
Pieces of paper inside unit? Remove all pieces of misfed paper.
63
Paper guides in the paper
tray not set properly?
tray not set properly?
Set the guides properly depending on
the paper size.
the paper size.
15
Too much paper in the
paper tray or multi-bypass
tray?
paper tray or multi-bypass
tray?
Remove excessive paper from the
tray.
tray.
16
Images rub off the
copy easily.
copy easily.
Is the paper too heavy?
Use paper within the specified range.
14
Paper damp?
Replace with dry paper. If the unit is
not used for long time, remove the
paper from the paper tray and store it
in its wrapper in a dry location.
not used for long time, remove the
paper from the paper tray and store it
in its wrapper in a dry location.
71
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TROUBLESHOOTING THE UNIT
62
STATUS INDICATORS
When the following indicators light up or blink on the operation panel or the following
alphanumeric codes appear in the display, solve the problem immediately referring
to both the table below and the relevant page.
alphanumeric codes appear in the display, solve the problem immediately referring
to both the table below and the relevant page.
Be sure to use only genuine SHARP parts and supplies.
Indication
Cause and remedy
Page
Drum replacement
required indicator
required indicator
Steadily
lit
lit
Replacement of drum cartridge will be needed
soon. Prepare a new cartridge.
soon. Prepare a new cartridge.
70
Blinking
Drum cartridge must be replaced. Replace it with
a new one.
a new one.
58
TD cartridge
replacement
required indicator
replacement
required indicator
Steadily
lit
lit
Replacement of TD cartridge will be needed
soon. Prepare a new cartridge.
soon. Prepare a new cartridge.
70
Blinking
TD cartridge must be replaced. Replace it with a
new one.
new one.
57
Misfeed indicator
Blinking
A misfeed has occurred. Remove the misfed
paper referring to the description of "MISFEED
REMOVAL".
paper referring to the description of "MISFEED
REMOVAL".
63
The lower side cover may be open. If so, close it.
66
SPF/RSPF misfeed
indicator
indicator
Blinking
An original misfeed has occurred in the SPF/
RSPF. Remove the misfed originals referring to
the description of "E: Misfeed in the SPF/RSPF".
RSPF. Remove the misfed originals referring to
the description of "E: Misfeed in the SPF/RSPF".
66
Power save indicator is
steadily lit.
steadily lit.
The unit is in the preheat mode. Press any key to
cancel the preheat mode.
cancel the preheat mode.
54
The unit is in the auto power shut-off mode.
Press the start (
Press the start (
) key to cancel the auto power
shut-off mode.
54
The paper tray indicator is
blinking.
blinking.
The paper tray is not installed properly. Push the
tray into the unit securely.
tray into the unit securely.
–
"CH" is blinking in the
display.
display.
The TD cartridge is not installed. Check if the
cartridge is installed.
cartridge is installed.
57
"CH" is steadily lit in the
display.
display.
Side cover is open. Close the side cover
securely by pressing the round projections near
the side cover open button.
securely by pressing the round projections near
the side cover open button.
–
"P" is blinking in the display.
The paper tray or multi-bypass tray is empty, or
single bypass has been selected in the printer
function.
Load paper.
single bypass has been selected in the printer
function.
Load paper.
15, 17
A misfeed has occurred in the paper tray, single
bypass or multi-bypass tray. Remove the misfed
paper.
bypass or multi-bypass tray. Remove the misfed
paper.
63
A letter and a number appear
alternately.
alternately.
The scan head locking switch is locked. Unlock
the scan head locking switch and turn the power
switch off/on.
the scan head locking switch and turn the power
switch off/on.
9
A letter and a number appear
alternately.
alternately.
The unit will not function. Turn the power switch
off and then switch it on, and if there is again an
error, remove the power cord from the outlet, and
contact your authorized service representative.
off and then switch it on, and if there is again an
error, remove the power cord from the outlet, and
contact your authorized service representative.
–
63
8
MISFEED REMOVAL
When the misfeed (
) indicator blinks or
blinks in the display, the unit will
stop because of a misfeed. If a misfeed occurs when using the SPF/RSPF, a number
may appear in the display after a minus sign. This indicates the number of the
originals that must be returned to the original feeder tray after a misfeed. Return the
required number of originals. Then this number will disappear when copying is
resumed or the clear (
may appear in the display after a minus sign. This indicates the number of the
originals that must be returned to the original feeder tray after a misfeed. Return the
required number of originals. Then this number will disappear when copying is
resumed or the clear (
) key is pressed. When the SPF/RSPF misfeeds an
original sheet, the unit will stop and the SPF/RSPF misfeed (
) indicator will blink,
while the misfeed (
) indicator will remain off. For a misfeed of originals in the SPF/
RSPF, see "E: Misfeed in the SPF/RSPF" (p.66).
1
Open the multi-bypass tray (AL-1555), and side cover, in that
order.
order.
To open the multi-bypass tray, see "The multi-bypass tray (AL-1555)"
(p.17). To open the side cover, see "INSTALLING THE TD CARTRIDGE"
(p.10).
(p.17). To open the side cover, see "INSTALLING THE TD CARTRIDGE"
(p.10).
2
Check the misfeed location. Remove the misfed paper
following the instructions for each location in the illustration
below. If
following the instructions for each location in the illustration
below. If
blinks in the display, proceed to "A: Misfeed in the
paper feed area" (p.64).
If the unit is turned on with the lower side cover open, the misfeed (
)
indicator will blink. In this case, close the lower side cover. The misfeed
(
(
) indicator will go out.
If paper is misfed here, proceed to "A:
Misfeed in the paper feed area". (p.64)
Misfeed in the paper feed area". (p.64)
If paper is misfed here, proceed
to "D: Misfeed in the lower
paper feed area". (p.66)
to "D: Misfeed in the lower
paper feed area". (p.66)
If paper is misfed here, proceed to "B:
Misfeed in the fusing area". (p.64)
Misfeed in the fusing area". (p.64)
If the misfed paper is seen from
this side, proceed to "C: Misfeed
in the transport area". (p.65)
this side, proceed to "C: Misfeed
in the transport area". (p.65)
64
A: Misfeed in the paper feed area
1
Gently remove the misfed paper from the paper feed area as
shown in the illustration. When
shown in the illustration. When
blinks in the display and the
misfed paper is not seen from the paper feed area, pull out the
paper tray and remove the misfed paper. If the paper cannot be
removed, proceed to "B: Misfeed in the fusing area".
paper tray and remove the misfed paper. If the paper cannot be
removed, proceed to "B: Misfeed in the fusing area".
2
Close the side cover by pressing the round projections near
the side cover open button. The misfeed (
the side cover open button. The misfeed (
) indicator will go
out and the start (
) indicator will light up.
B: Misfeed in the fusing area
1
Lower the fusing unit release
lever.
lever.
The fusing unit is hot. Do not touch the fusing unit when
removing misfed paper. Doing so may cause a burn or other
injury.
removing misfed paper. Doing so may cause a burn or other
injury.
• Do not touch the surface of the drum (green portion) of the
drum cartridge when removing the misfed paper. Doing so
may damage the drum and cause smudges on copies.
may damage the drum and cause smudges on copies.
• If the paper has been fed through the multi-bypass tray, do
not remove the misfed paper through the multi-bypass tray.
Toner on the paper may stain the paper transport area,
resulting in smudges on copies.
Toner on the paper may stain the paper transport area,
resulting in smudges on copies.
Fusing unit release lever