Sharp AR 5520N User Manual

89
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...

90
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...

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...

92
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...

93
TROUBLESHOOTING
6
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...

94
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...

95
TROUBLESHOOTING
6
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...

96
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...

97
TROUBLESHOOTING
6
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...

98
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...