Sharp AR 5520N User Manual

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TROUBLESHOOTING
6
Why cant I connect to the device 
(the scanner function) using 
SC-Scan A?You need to add SC-Scan A and UDP port number 19540  to 
the firewall exception list. For information on adding SC-Scan 
A and UDP port number 19540 to the firewall exception list, 
refer to the manual or online help of your operating system or 
firewall software.–
How can I disable security 
software such as firewall?The communication may be eliminated by firewall, etc.
Disable the firewall function temporarily to verify if the 
communication is enabled. For information on disabling the 
firewall, refer to the manual or online help of your operating 
system or firewall software.–
How can I add SC-Scan A and UDP 
port number 19540 to the firewall 
exception list?If you use the machine from the client computer on which 
security software (such as firewall) is working, you need to 
add SC-Scan A and UDP port number 19540  to the firewall 
exception list.
For information on adding SC-Scan A and UDP port number 
19540 to the firewall exception list, refer to the manual or 
online help of your operating system or firewall software.–
What is the default user name and 
password?The user name is fixed to admin (without ). The default 
password is set to admin (without ). You can change the 
password from the Web page of the machine.67
How can I change the IP address 
of the machine?You can change the IP address of the machine via the Web 
page. If you forget the user name and password of the Web 
page of the machine, manually reset the network settings of 
the machine to the factory default and reconfigure it using the 
accessory CD-ROM. For details on manually resetting the 
network settings of the machine, see HOW TO MANUALLY 
RESET THE NETWORK SETTINGS OF THE MACHINE. For 
details on initial setup of the machine, see the Start Guide.60, 103, 
Start 
Guide
When I configure the machine via 
a Web browser, what user name 
and password can I use?Typing the machines IP address in the address field on a 
browser will display a page where you can see the status of 
the machine and configure the network settings of the 
machine. To configure the settings, a user name and 
password are required. The user name is fixed to admin 
(without ). The default password is set to admin (without ). 
You can change the password from the Web page of the 
machine.60
How can I reset the network 
settings of the machine?The settings can be reset by the push switch on the machine. 
For details, see HOW TO MANUALLY RESET THE 
NETWORK SETTINGS OF THE MACHINE.103
QuestionAnswerPage
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INDICATORS AND DISPLAY MESSAGES
If one of the following indicators lights up or one of the following messages appears in the display, check the 
meaning of the indicator or message in the following table and take appropriate action.
IndicationCause and solutionPage
Maintenance 
indicatorSteadily 
litService by an authorised SHARP service technician is required. –
Developer 
replacement 
required indicatorSteadily 
litDeveloper is required. Contact your authorised service 
representative.–
Toner cartridge 
replacement 
required indicatorSteadily 
litReplacement of toner cartridge will be needed soon. Prepare a 
new cartridge.–
Blinking Toner cartridge must be replaced. Replace it with a new one.
 Toner is being fed.98
Paper required 
indicatorSteadily 
litThe tray is out of paper. Load paper. It is also possible that the 
tray is not inserted completely into the machine. Make sure it is 
inserted correctly. 10
Misfeed indicatorBlinkingA paper misfeed has occurred. Remove the misfeed as 
explained in MISFEED REMOVAL.91
ORIGINAL SIZE indicator BlinkingThe original is not placed in the correct orientation. Rotate the 
original so that it is in the same orientation as the blinking 
ORIGINAL SIZE indicator.15,16
PAPER SIZE indicator BlinkingA blinking PAPER SIZE indicator means that the size of paper 
loaded in the tray is different from the paper size setting for the 
tray. Change the paper size setting.
To clear the display, do one of the following:
 Use the [PAPER SELECT] key ( ) to change the tray selection.
 Open and close the tray.
 Press the [CLEAR ALL] key ( ).12
[CH] appears in displaySteadily 
litThe front cover or the side cover is open. Close the front cover or 
the side cover.–
BlinkingThe toner cartridge is not installed correctly. Reinstall the toner 
cartridge. If [CH] still blinks in the display after reinstalling the 
toner cartridge, contact your authorised service representative.98
Letters and numbers appear 
in the display
Turn off the power switch, wait about 10 seconds, and then turn on 
the switch again. If this does not clear the message, write down 
the code (Main code and sub code exists.) that appears and then 
unplug the power cord and contact your authorised service 
representative. Tell your authorised service representative what 
code appeared and the circumstances under which it appeared.
–
FUL appears in the displayData is being held in memory. Print the data or clear it from 
memory.
30, 32
When Use close paper size is disabled
Press the [PAPER SELECT] key ( ) to manually select the tray 
and then press the [ON LINE] key ( ). Printing will begin. If 
you are selecting the bypass tray, load paper in the bypass tray.36
Misfeed location indicator lights up at 
the optional 2 x 250-sheet/250-sheet 
paper feed unit
The side cover of the 2 x 250-sheet/250-sheet paper feed unit is 
open. Close the side cover.–
Misfeed indicator Paper required indicatorMaintenance indicator
Toner cartridge replacement 
required indicator
Developer replacement 
required indicator
Display
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91
6
MISFEED REMOVAL
When a misfeed occurs, the misfeed indicator ( ) and a misfeed location indicator ( ) will blink and the machine 
will automatically stop.
Check the blinking misfeed location indicator to identify the location of the misfeed and remove it.
MISFEED IN THE RSPF
1Remove the misfed original.
Check sections A, B, and 
C in the left shows the 
illustration (see the next 
page), and remove the 
misfed original.
Section A
Open the feeding roller cover and remove the 
misfed original from the document feeder tray. 
Close the feedin g roller cover. 
Section B
Open the RSPF and rotate the two release 
rollers in the direction  of the arrow to feed the 
original out. Close the RSPF and then remove 
the original.
If a small original (A5 etc.) is misfed, open the 
right side cover and remove the original. Close 
the right side cover.
The paper may tear when you remove a misfeed. In this even t, be sure to remove all torn pieces of paper from the 
machine, taking care not to touch the photoconductive  drum (the green part). Any scratches or damage to the 
surface of the drum will cause dirty copies.Note
(p.91)
(p.92)
(p.96)
(p.97)
Feeding roller cover
Roller
Right side cover
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TROUBLESHOOTING
Section C
Remove the 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 original. 
2Open and close the RSPF to make the 
misfeed location indicator stop 
blinking.
You can also make the 
misfeed indicator stop 
blinking by opening and 
closing the feeding roller 
cover or the right side 
cover.
3Return the originals indicated by the 
minus number in th e display to the 
document feeder tray  and press the 
[START] key ( ).
Copying will resume from the originals that still 
remained when the misfeed occurred.
MISFEED IN THE BYPASS TRAY
1Gently pull the mi sfed paper out.2Open and close the side cover.
The misfeed indicator 
( ) will go out.
• When closing the side cover, press down on 
the handle.
 If the misfeed indicator ( ) does not stop  blinking, check for torn pieces of paper in 
the machine.Note
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MISFEED IN THE MACHINE
1Open the bypass tray and the side 
cover. 2Check the misfeed location. Remove 
the misfed paper following the 
instructions for each location in the 
illustration below.
A. Misfeed in the paper feed area
1Push gently on both ends of the front 
cover and open it.
2Carefully remove the misfed paper. 
Turn the roller rotating knob in the 
direction of the arrow to assist in 
removing it.
Be careful not to tear the 
misfed paper during 
removal.
3Close the front cover and side cover.
The misfeed indicator 
( ) will go out.
If paper is misfed here, go to
 B. Misfeed in the fusing area.
If paper is misfed here, go to 
A. Misfeed in the paper feed 
area. If the misfed paper is visible 
here, go to C. Misfeed in the 
transport area.
The fusing unit is hot. Do not touch 
the fusing unit when removing misfed 
paper. Doing so may cause a burn or 
injury.
Do not touch the photoconductive drum 
(green portion) when removing the misfed 
paper. Doing so may damage the drum and 
cause smudges on copies.
Roller rotating knob
Warning
Caution
 When closing the front cover, gently hold 
both ends.
 When closing the side cover, press on the 
handle.
 If the misfeed indicator ( ) does not stop 
blinking, check for torn pieces of paper in 
the machine.Note
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TROUBLESHOOTING
B. Misfeed in the fusing area
1Push gently on both ends of the front 
cover and open it.
2Turn the roller rotating knob in the 
direction of the arrow.
3Carefully remove the misfed paper. 
Lower the fusing unit release levers to 
allow easier removal.
Be careful not to tear the 
misfed paper during 
removal.
4Lift the fusing unit release levers, to 
return them to their operating 
positions.
5Close the front cover and side cover.
The misfeed indicator 
( ) will go out.
The fusing unit is hot. Do not touch 
the fusing unit when removing misfed 
paper. Doing so may cause a burn or 
injury.
 Do not touch the photoconductive drum 
(green portion) when removing the misfed 
paper. Doing so may damage the drum and 
cause smudges on copies.
 Be careful about unfixed toner on the 
misfed paper not to soil your hands or 
clothes.
Roller rotating knob
Fusing unit 
release lever
Warning
Caution
 When closing the front cover, gently hold 
both ends.
 When closing the side cover, press on the 
handle.
 If the misfeed indicator ( ) does not stop 
blinking, check for torn pieces of paper in 
the machine.Note
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C. Misfeed in the transport area
1Open the fusing paper guide by 
pressing down the green-labeled 
projection on the guide and remove 
the misfed paper.
Be careful not to tear the 
misfed paper during 
removal.
2If the misfed paper cannot be removed 
by the previous step but is visible in 
the paper output area, remove the 
paper by pulling it into the paper 
output area.
Be careful not to tear the 
misfed paper during 
removal.
3Close the side cover.
The misfeed indicator 
( ) will go out.
The fusing unit is hot. Do not touch 
the fusing unit when removing misfed 
paper. Doing so may cause a burn or 
injury.
 When closing the side cover, press on the 
handle.
 If the paper was torn, make sure that no 
torn pieces remain in the machine.
 If the misfeed indicator ( ) does not stop 
blinking, check for torn pieces of paper in 
the machine.
Warning
Note
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TROUBLESHOOTING
MISFEED IN THE UPPER PAPER TRAY
1Lift and pull out the upper paper tray 
and remove the misfed paper.
Be careful not to tear the 
misfed paper during 
removal.
2Open and close the side cover.
The misfeed indicator 
( ) will go out.
3Close the upper paper tray.
Push the upper paper 
tray in completely.
Make sure that there is no misfed paper in the tray before pulling it out. (p.93)Note
 When closing the side cover, press on the 
handle.
 If the misfeed indicator ( ) does not stop 
blinking, check for torn pieces of paper in 
the machine.Note
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MISFEED IN THE LOWER PAPER TRAY 
1Open the lower side cover.
Grasp the handle to open 
the lower side cover.
2Remove the misfed paper.
Be careful not to tear the 
misfed paper during 
removal.
3If the misfed paper is not seen in step 
2, lift and pull out the lower paper tray 
and remove the misfed paper.
Be careful not to tear the 
misfed paper during 
removal.
4Close the lower side cover.
The misfeed indicator 
( ) will go out.
5Close the lower paper tray.
 Make sure that there is no misfed paper in the tray before pulling it out. (p.93)
 Use the following procedure to remove misfeeds that occur in the 250-sheet paper feed unit/2 x 250-sheet paper 
feed unit.Note
If the misfeed indicator ( ) does not stop 
blinking, check for torn pieces of paper in the 
machine.Note
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REPLACING THE TONER CARTRIDGE
When the toner cartridge replacement required indicator ( ) lights up, the toner cartridge will need replacement 
soon. Obtain a new cartridge. When the toner cartridge replacement required indicator ( ) blinks, the toner 
cartridge must be replaced before copying can be resumed.
Replace the toner cartridge by following the procedure below.
1Push on both ends of the front cover 
and open it.
2Pull the toner cartridge out while 
pressing the lock release lever.
When pulling out the 
toner cartridge, place 
your other hand on the 
indentation of the 
cartridge.
3Remove the new toner cartridge from 
the bag. Grasp the cartridge on both 
sides and shake it horizontally four or 
five times. 
4Insert the toner cartridge along the 
guides until it locks in place while 
pushing the lock release lever.
If there is any dirt or dust 
on the toner cartridge, 
remove it before 
installing the cartridge.
5Close the front cover.
The toner cartridge 
replacement required 
indicator ( ) will go 
out.
When the toner cartridge replacement indicator ( ) lights up, little toner remains and thus copies may be faint.Note
After removing the toner cartridge, do not 
shake it or tap on it. Doing so may cause 
toner to leak from the cartridge. Put the old 
cartridge immediately in the bag contained in 
the box of the new cartridge. Dispose of the 
old toner cartridge in accordance with local 
regulations.
Grasp the grip when holding the cartridge.
Toner cartridge
lock release lever
Caution
4 or 5 times
Caution
 Even after a new toner cartridge is 
installed, the toner cartridge replacement 
required indicator ( ) may still light up, 
indicating that copying cannot be resumed 
(toner is not fed sufficiently). In this case, 
open and close the front cover. The 
machine will feed toner again for about two 
minutes and then copying can be resumed.
 Before closing the front cover, make sure 
that the toner cartridge is correctly installed.
 When closing the front cover, gently hold 
both ends.
Note
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