Samsung SCX 4725FN User Manual

							
13.3   
3 Open the rear cover.
4 Pull the jammed paper out.
Caution  
Inside of the machine is very hot. Take care when removing paper 
from the machine.
5 Close the rear cover. Printing automatically resumes.
Tips for avoiding paper jams
By selecting the correct media types, most paper jams can be avoided. 
When a paper jam occurs, follow the steps outlined on page 13.1. 
• Follow the procedures on page 5.5. Ensure that the adjustable guides 
are positioned correctly.
• Do not overload the tray.
• Do not remove paper from the tray while your machine is printing.
• Flex, fan, and straighten paper before loading. 
• Do not use creased, damp, or highly curled paper.
• Do not mix paper types in a tray.
• Use only recommended print media. See page 
5.7.
• Ensure that the recommended print side of print media is facing up in the  tray or manual tray.
Understanding display messages
Messages appear on the Smart Panel program window or the control panel 
display to indicate the machine’s status or errors. Refer to the tables below 
to understand the messages’ meaning and correct the problem if necessary. 
Messages and their meanings are listed in alphabetical order.
Note
When you call for service, it is very convenient to tell the service 
representative the display message.
MessageMeaningSuggested solutions
[COMM. Error] The machine has a 
communication 
problem. Ask the sender to try 
again.
[Front or Rear]
[Cover Open] The front cover or 
rear cover is not 
securely latched. Close the cover until it 
locks into place.
[Hsync Error] There is a serious 
problem in your 
machine. Turn the machine off and 
back on. If the problem 
persists, please call for 
service.
[Incompatible] The machine has 
received a fax from 
which is registered 
as a junk fax. The received fax data will 
be deleted.
Reconfirm junk fax setup, 
see page 10.2.
[Line Error] Your machine 
cannot connect with 
the receiving fax 
machine or has lost 
contact because of a 
problem with the 
phone line. Try again. If the problem 
persists, wait an hour or 
so for the line to clear 
and try again.
Or, turn the ECM mode 
on. See page 10.2.
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13.4   
[Low Heat Error] There is a problem 
in the fuser unit. Unplug the power cord 
and plug it back in. If the 
problem persists, please 
call for service.
[LSU Error] A problem has 
occurred in the LSU 
(Laser Scanning 
Unit). Unplug the power cord 
and plug it back in. If the 
problem persists, please 
call for service.
[No Answer] The receiving fax 
machine has not 
answered after 
several redial 
attempts. Try again. Make sure that 
the receiving machine is 
operational.
[No Paper]
Add Paper The paper in the tray 
has run out. Load paper in the tray. 
See page 5.5.
[Over Heat] There is a problem 
in the fuser unit. Unplug the power cord 
and plug it back in. If the 
problem persists, please 
call for service.
Open Heat Error There is a problem 
in the fuser unit. Unplug the power cord 
and plug it back in. If the 
problem persists, please 
call for service.
[Paper Jam 0]
Open/Close Door Paper has jammed 
in the feeding area 
of the tray. Clear the jam. See page 
13.2 and page 13.2.
[Paper Jam 1]
Open/Close Door Paper has jammed 
in the fuser area. Clear the jam. See page 
13.2.
[Paper Jam 2]
Check Inside Paper has jammed 
in the paper exit 
area. Clear the jam. See page 
13.2.
[Stop Pressed] Stop/Clear  has 
been pressed during 
a fax transmission. Try again.
Add Paper &
Press Start You have selected 
Manual Feeder
 for 
Source  in the printer 
properties. Load a sheet of paper 
into the manual tray and 
press 
Start to start 
feeding.
If you have multiple 
pages to be printed, this 
message appears again. 
Load the next sheet and 
press  Start.
MessageMeaningSuggested solutions
Cancel?
1:Yes 2:No Your machine’s 
memory has 
become full while 
trying to store an 
original into memory. To cancel the fax job, 
press 
1 to select  Yes. 
If you want to send those 
pages that have been 
successfully stored, 
press  2 to select  No. You 
should send the 
remaining pages later, 
when memory is 
available.
Document Jam The loaded original 
has jammed in the 
ADF. Clear the jam. See page 
13.1.
Enter Again You entered an 
unavailable data. Enter the correct data 
again.
Group Not 
Available You have tried to 
select a group dial 
number where only 
a single location 
number can be 
used. Use a speed dial number 
or dial a number 
manually using the 
number keypad.
Line Busy The receiving fax 
machine did not 
answer or the line is 
already engaged. Try again after a few 
minutes.
Load Document You have attempted 
to set up a copy or 
fax operation with no 
document loaded 
into the ADF. Load a document into the 
ADF and try again.
Memory Dial Full The fax jobs queue 
in the memory is full. Cancel unnecessary fax 
jobs in the memory.
Memory Full The memory is full. Delete unnecessary fax 
jobs and retransmit after 
more memory becomes 
available. Alternatively, 
split the transmission into 
more than one operation.
Not Assigned The speed dial 
number you tried to 
use has no number 
assigned to it. Enter the number 
manually using the 
number keypad.
Operation Not 
Assigned You are in the 
Add 
Page /Cancel Job  
operation, but there 
are no jobs stored. Check the display to see 
if there are any 
scheduled jobs.
MessageMeaningSuggested solutions
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13.5   
Toner cartridge-related messages
Power Failure Power has turned off 
then on and the 
machine’s memory 
has not been back 
up. The job which you were 
trying to do before the 
power failure must be 
completely re-done.
Retry Redial? The machine is 
waiting for a 
specified time 
interval to redial a 
previously busy 
station. You can press 
Enter to 
immediately redial, or 
Stop/Clear  to cancel the 
redial operation.
Scanner locked The scanner module 
is locked. Unlock the scanner and 
press 
Stop/Clear .
Unavailable
Date & Time The current date and 
time you entered is 
not correct. Enter the correct date 
and time.
MessageMeaningSuggested solutions
Install Toner A toner cartridge is 
not installed. Install a toner cartridge.
Invalid Toner The toner cartridge 
you have installed in 
not for your 
machine. Install a Samsung-
genuine toner cartridge, 
designed for your 
machine.
NonGenuine Toner
Replace Toner The toner cartridge 
installed is not a 
genuine cartridge. Install the genuine toner 
cartridge.
Replace Toner The toner in the 
cartridge has run 
out. This message appears 
when you turned off the 
Toner Empty
 Replace 
Toner  message.
Install a new genuine 
toner cartridge.
You can keep printing but 
the quality cannot be 
guaranteed, and the 
product support is no 
longer provided.
MessageMeaningSuggested solutions
Solving other problems
The following chart lists some conditions that may occur and the 
recommended solutions. Follow the suggested solutions until the problem is 
corrected. If the problem persists, please call for service.
Paper feeding problems
Toner Empty
Replace Toner The toner in the 
cartridge has run 
out. Install a new genuine 
toner cartridge. 
You can keep printing but 
the quality cannot be 
guaranteed, and the 
product support is no 
longer provided. 
You can configure not to 
see the 
Toner Empty  
Replace Toner  
message.
Toner Exhausted
Replace Toner The lifespan of the 
toner cartridge is 
reached. Install the genuine toner 
cartridge.
Toner Low The toner cartridge 
is almost empty. Take out the toner 
cartridge and thoroughly 
shake it. By doing this, 
you can temporarily 
reestablish printing 
operations.
ConditionSuggested solutions
Paper is jammed 
during printing.
Clear the paper jam. See page 13.1.
Paper sticks 
together.• Ensure that there is not too much paper in the tray.  The tray can hold up to 250 sheets of paper, 
depending on the thickness of your paper.
• Make sure that you are using the correct type of  paper. See page 5.7.
• Remove paper from the tray and flex or fan the  paper.
• Humid conditions may cause some paper to stick  together.
Multiple sheets of 
paper do not 
feed.• Different types of paper may be stacked in the tray. Load paper of only one type, size, and weight.
• If multiple sheets have caused a paper jam, clear  the paper jam. See page 13.1.
MessageMeaningSuggested solutions
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13.6   
Paper does not 
feed into the 
machine.• Remove any obstructions from inside the machine.
• Paper has not been loaded correctly. Remove 
paper from the tray and reload it correctly.
• There is too much paper in the tray. Remove  excess paper from the tray.
• The paper is too thick. Use only paper that meets  the specifications required by the machine. See 
page 5.7.
• If an original does not feed into the machine, the  ADF rubber pad may require to be replaced. See 
page 12.6.
The paper keeps 
jamming.• There is too much paper in the tray. Remove excess paper from the tray. If you are printing on 
special materials, use the manual tray.
• An incorrect type of paper is being used. Use only 
paper that meets the specifications required by the 
machine. See page 5.7.
• There may be debris inside the machine. Open the 
front cover and remove the debris.
• If an original does not feed into the machine, the  ADF rubber pad may require to be replaced. See 
page 12.6.
Transparencies 
stick together in 
the paper exit.Use only transparencies specifically designed for 
laser printers. Remove each transparency as it exits 
from the machine.
Envelopes skew 
or fail to feed 
correctly.Ensure that the paper guides are against both sides 
of the envelopes.
ConditionSuggested solutionsPrinting problems
ConditionPossible causeSuggested solutions
The 
machine 
does not 
print. The machine is not 
receiving power.
Check the power cord 
connections. Check the 
power switch and the power 
source.
The machine is not 
selected as the 
default printer. Select 
Samsung SCX-4725 
Series  PCL 6  as your default 
printer in your Windows.
Check the machine for the following:
• The front cover is not closed. Close the cover.
• Paper is jammed. Clear the paper jam. See  page 13.1.
• No paper is loaded. Load paper. See page 5.5.
• The toner cartridge is not installed. Install the toner  cartridge.
If a system error occurs, contact your service 
representative.
The connection cable 
between the 
computer and the 
machine is not 
connected properly. Disconnect the printer cable 
and reconnect it.
The connection cable 
between the 
computer and the 
machine is defective. If possible, attach the cable 
to another computer that is 
working properly and print a 
job. You can also try using a 
different printer cable.
The port setting is 
incorrect. Check the Windows printer 
setting to make sure that the 
print job is sent to the correct 
port. If the computer has 
more than one port, make 
sure that the machine is 
attached to the correct one.
The machine may be 
configured 
incorrectly.  Check the printer properties 
to ensure that all of the print 
settings are correct. 
The printer driver 
may be incorrectly 
installed. Repair the printer software. 
See the 
Software Section.
The machine is 
malfunctioning. Check the display message 
on the control panel to see if 
the machine is indicating any 
system errors.
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13.7   
The 
machine 
selects print 
materials 
from the 
wrong 
paper 
source. The paper source 
selection in the 
printer properties 
may be incorrect.
For many software 
applications, the paper 
source selection is found 
under the 
Paper
 tab within 
the printer properties. Select 
the correct paper source. 
See the printer driver help 
screen.
A print job 
is extremely 
slow. The job may be very 
complex.
Reduce the complexity of the 
page or try adjusting the print 
quality settings.
If you are using 
Windows 98/Me, the 
Spool Setting may be 
set incorrectly.  From the 
Start menu, choose 
Settings  and then  Printers. 
Right-click the  Samsung 
SCX-4725 Series  PCL 6  
machine icon, choose 
Properties , click the Details 
tab, and then choose the 
Spool Settings  button. 
Select the desired spool 
setting.
Half the 
page is 
blank. The page orientation 
setting may be 
incorrect. Change the page orientation 
in your application. See the 
printer driver help screen.
The paper size and 
the paper size 
settings do not 
match. Ensure that the paper size in 
the printer driver settings 
matches the paper in the 
tray.
Or, ensure that the paper 
size in the printer driver 
settings matches the paper 
selection in the software 
application settings you use.
ConditionPossible causeSuggested solutions
The 
machine 
prints, but 
the text is 
wrong, 
garbled, or 
incomplete.The printer cable is 
loose or defective.
Disconnect the printer cable 
and reconnect. Try a print job 
that you have already printed 
successfully. If possible, 
attach the cable and the 
machine to another computer 
and try a print job that you 
know works. Finally, try a 
new printer cable.
The wrong printer 
driver was selected. Check the application’s 
printer selection menu to 
ensure that your machine is 
selected.
The software 
application is 
malfunctioning. Try printing a job from 
another application.
The operating system 
is malfunctioning. Exit Windows and reboot the 
computer. Turn the machine 
off and then back on again.
Pages print, 
but are 
blank. The toner cartridge is 
defective or out of 
toner. Redistribute the toner, if 
necessary. See page 12.4.
If necessary, replace the 
toner cartridge.
The file may have 
blank pages. Check the file to ensure that 
it does not contain blank 
pages.
Some parts, such as 
the controller or the 
board, may be 
defective. Contact a service 
representative.
The 
illustrations 
print 
incorrectly 
in Adobe 
Illustrator. The setting in the 
software application 
is wrong.
Select 
Download  as 
Bitmap  in the Tr u e Ty p e  
Options
 window of the 
graphic properties and print 
the document again.
The printer 
does not 
print PDF 
file correctly. 
Some parts 
of graphics, 
text or 
illustrations 
are missing. Incompatibility 
between the PDF file 
and the Acrobat 
products.
Printing the PDF file as an 
image may solve this problem. 
Turn on 
Print as Image from 
the Acrobat printing options.
Note: It will take longer to print 
when you print a PDF file as 
an image.
ConditionPossible causeSuggested solutions
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13.8   
Printing quality problems
If the inside of the machine is dirty or paper has been loaded improperly, you 
may notice a reduction in print quality. See the table below to clear the 
problem. 
ConditionSuggested solutions
Light or faded printIf a vertical white streak or faded area appears 
on the page:
• The toner supply is low. You may be able to 
temporarily extend the toner cartridge life. See 
page 12.4. If this does not improve the print 
quality, install a new toner cartridge.
• The paper may not meet paper specifications; 
for example, the paper is too moist or too 
rough. See page 5.7.
• If the entire page is light, the print resolution 
setting is too low or the toner save mode is on. 
Adjust the print resolution and turn the toner 
save mode off. See the help screen of the 
printer driver and page 2.3, respectively.
• A combination of faded or smeared defects  may indicate that the toner cartridge needs 
cleaning. See page 12.5.
• The surface of the LSU part inside the  machine may be dirty. Clean the LSU. See 
page 12.2.
Toner specks• The paper may not meet specifications; for 
example, the paper is too moist or too rough. 
See page 5.7.
• The transfer roller may be dirty. Clean the 
inside of your machine. See page 12.2.
• The paper path may need cleaning. See page  12.2.
DropoutsIf faded areas, generally rounded, occur 
randomly on the page:
• A single sheet of paper may be defective. Try 
reprinting the job.
• The moisture content of the paper is uneven  or the paper has moist spots on its surface. 
Try a different brand of paper. See page 5.7.
• The paper lot is bad. The manufacturing  processes can cause some areas to reject 
toner. Try a different kind or brand of paper.
• If these steps do not correct the problem,  contact a service representative.
Aa Bb Cc
Aa Bb Cc
Aa Bb Cc
Aa Bb Cc
Aa Bb Cc
AaBbCc
AaBbCc
AaBbCc
AaBbCc
AaBbCc
Vertical linesIf black vertical streaks appear on the page:
• The drum inside the toner cartridge has 
probably been scratched. Remove the toner 
cartridge and install a new one. See 
page 12.4.
If white vertical streaks appear on the page:
• The surface of the LSU part inside the  machine may be dirty. Clean the LSU. See 
page 12.2.
Gray backgroundIf the amount of background shading becomes 
unacceptable:
• Change to a lighter weight paper. See 
page 5.7.
• Check the machine’s environment: very dry  (low humidity) or high humidity (higher than 
80% RH) conditions can increase the amount 
of background shading.
• Remove the old toner cartridge and install a 
new one. See page 12.4.
Toner smear• Clean the inside of the machine. See page 12.2.
• Check the paper type and quality. See  page 5.7.
• Remove the toner cartridge and install a new  one. See page 12.4.
Vertical repetitive 
defectsIf marks repeatedly appear on the printed side of 
the page at even intervals:
• The toner cartridge may be damaged. If a repetitive mark occurs on the page, print a 
cleaning sheet several times to clean the 
cartridge; see page 12.5. After the printout, if 
you still have the same problems, remove the 
toner cartridge and install a new one. See 
page 12.4.
• Parts of the machine may have toner on them. 
If the defects occur on the back of the page, 
the problem will likely correct itself after a few 
more pages.
• The fusing assembly may be damaged.  Contact a service representative.
ConditionSuggested solutions
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13.9   
Background scatterBackground scatter results from bits of toner 
randomly distributed on the printed page. 
• The paper may be too damp. Try printing with 
a different batch of papers. Do not open 
packages of paper until necessary so that the 
paper does not absorb too much moisture.
• If background scatter occurs on an envelope,  change the printing layout to avoid printing 
over areas that have overlapping seams on 
the reverse side. Printing on seams can cause 
problems.
• If background scatter covers the entire surface 
area of a printed page, adjust the print 
resolution through your software application or 
the printer properties.
Misformed 
characters• If characters are improperly formed and producing hollow images, the paper stock may 
be too slick. Try a different paper. See page 
5.7.
• If characters are improperly formed and 
producing a wavy effect, the scanner unit may 
need service. For service, contact a service 
representative.
Page skew• Ensure that the paper is loaded properly.
• Check the paper type and quality. See page 5.7.
• Ensure that the paper or other material is  loaded correctly and the guides are not too 
tight or too loose against the paper stack.
Curl or wave• Ensure that the paper is loaded properly.
• Check the paper type and quality. Both high temperature and humidity can cause the 
paper to curl. See page 5.7.
• Turn over the stack of paper in the tray. Also  try rotating the paper 180° in the tray.
ConditionSuggested solutions
A
AaBbCc
AaBbCc
AaBbCc
AaBbCc
AaBbCc
Wrinkles or creases• Ensure that the paper is loaded properly.
• Check the paper type and quality. See 
page 5.7.
• Turn over the stack of paper in the tray. Also 
try rotating the paper 180° in the tray.
Back of printouts 
are dirtyCheck for leaking toner. Clean the inside of the 
machine. See page 12.2.
Black pages• The toner cartridge may not be installed properly. Remove the cartridge and reinsert it.
• The toner cartridge may be defective and  need replacing. Remove the toner cartridge 
and install a new one. See page 12.4.
• The machine may require to be repaired.  Contact a service representative.
Loose toner• Clean the inside of the machine. See 
page 12.2.
• Check the paper type and quality. See  page 5.7.
• Remove the toner cartridge and install a new  one. See page 12.4.
• If the problem persists, the machine may 
require repair. Contact a service 
representative.
Character VoidsCharacter voids are white areas within parts of 
characters that should be solid black:
• If you are using transparencies, try another type of transparency. Because of the 
composition of transparencies, some 
character voids are normal. 
• You may be printing on the wrong surface of 
the paper. Remove the paper and turn it 
around. 
• The paper may not meet paper specifications. 
See page 5.7.
ConditionSuggested solutions
A
A
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13.10   
Horizontal stripesIf horizontally aligned black streaks or smears 
appear:
• The toner cartridge may be installed 
improperly. Remove the cartridge and reinsert 
it.
• The toner cartridge may be defective. Remove 
the toner cartridge and install a new one. See 
page 12.4.
• If the problem persists, the machine may 
require repair. Contact a service 
representative.
CurlIf the printed paper is curled or paper does not 
feed into the machine:
• Turn over the stack of paper in the tray. Also try rotating the paper 180° in the tray. 
An unknown image 
repetitively appears 
on a next few 
sheets or loose 
toner, light print, or 
contamination 
occurs. Your printer is probably being used at an altitude 
of 2,500 m (8,200 ft) or above.
The high altitude may affect the print quality 
such as loose toner or light imaging. You can set 
this option through the 
Printer tab in printer 
drivers properties. Refer to the  Software 
Section  for details.
ConditionSuggested solutions
AaBbCc
AaBbCc
AaBbCc
AaBbCc
AaBbCc
Copying problems
ConditionSuggested solutions
Copies are too light 
or too dark. Use 
Darkness  to darken or lighten the 
background of the copies.
Smears, lines, 
marks, or spots 
appears on copies. • If defects are on the original, press 
Darkness 
to lighten the background of your copies.
• If no defects are on the original, clean the scan  unit. See page 12.3.
Copy image is 
skewed. • Ensure that the original is face down on the 
scanner glass or face up in the ADF.
• Check that the copy paper is loaded correctly.
Blank copies print 
out. Ensure that the original is face down on the 
scanner glass or face up in the ADF.
Image rubs off the 
copy easily. • Replace the paper in the tray with paper from a 
new package.
• In high humidity areas, do not leave paper in 
the machine for extended periods of time.
Frequent copy 
paper jams occur. • Fan the stack of paper, then turn it over in the 
tray. Replace the paper in the tray with a fresh 
supply. Check/adjust the paper guides, if 
necessary.
• Ensure that the paper is the proper paper  weight. 75 g/m
2 bond paper is recommended.
• Check for copy paper or pieces of copy paper  remaining in the machine after a paper jam has 
been cleared.
Toner cartridge 
produces fewer 
copies than 
expected before 
running out of 
toner. • Your originals may contain pictures, solids, or 
heavy lines. For example, your originals may 
be forms, newsletters, books, or other 
documents that use more toner. 
• The machine may be turned on and off  frequently. 
• The scanner lid may be left open while copies 
are being made.
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13.11   
Scanning problems
ConditionSuggested solutions
The scanner does 
not work. • Make sure that you place the original to be 
scanned face down on the scanner glass, or 
face up in the ADF.
• There may not be enough available memory  to hold the document you want to scan. Try 
the Prescan function to see if that works. Try 
lowering the scan resolution rate.
• Check that the USB cable is connected  properly.
• Make sure that the USB cable is not  defective. Switch the cable with a known 
good cable. If necessary, replace the cable.
• Check that the scanner is configured  correctly. Check scan setting in the 
SmarThru 
Configuration
 or the application you want to 
use to make certain that the scanner job is 
being sent to the correct port.
The unit scans very 
slowly. • Check if the machine is printing received 
data. If so, scan the document after the 
received data has been printed.
• Graphics are scanned more slowly than text.
• Communication speed slows in scan mode  because of the large amount of memory 
required to analyze and reproduce the 
scanned image. Set your computer to the 
ECP printer mode through the BIOS setting. 
It will help to increase the speed. For details 
about how to set BIOS, refer to your 
computer user’s guide.
Fax problems 
ConditionSuggested solutions
The machine is not 
working, there is no 
display and the 
buttons are not 
working. • Unplug the power cord and plug it in again. 
• Ensure that there is power to the electrical 
outlet.
No dial tone 
sounds. • Check that the phone line is connected 
properly.
• Check that the phone socket in the wall is  working by plugging in another phone.
The numbers 
stored in memory 
do not dial 
correctly. Make sure that the numbers are stored in 
memory correctly. Print a 
Phone Book list, 
referring to page 10.4.
The original does 
not feed into the 
machine. • Make sure that the paper is not wrinkled and 
you are putting it in correctly. Check that the 
original is the right size, not too thick or thin.
• Make sure that the ADF is firmly closed.
• The ADF rubber pad may need to be replaced.  See page 12.6.
Faxes are not 
received 
automatically. • The receiving mode should be set to 
Fax.
• Make sure that there is paper in the tray.
• Check to see if the display shows any error 
messages. If it does, clear the problem.
The machine does 
not send. • Make sure that the original is loaded in the ADF 
or on the scanner glass. 
• Sending  should show up on the display. 
• Check the fax machine you are sending to, to  see if it can receive your fax.
The incoming fax 
has blank spaces 
or is of poor-
quality. • The fax machine sending you the fax may be 
faulty. 
• A noisy phone line can cause line errors. 
• Check your machine by making a copy. 
• The toner cartridge may be empty. Replace the  toner cartridge, referring to page 12.4. 
Some of the words 
on an incoming fax 
are stretched. The fax machine sending you the fax had a 
temporary document jam. 
There are lines on 
the originals you 
send. Check your scan unit for marks and clean it. See 
page 12.3.
The machine dials 
a number, but a 
connection with the 
other fax machine 
fails. The other fax machine may be turned off, out of 
paper, or cannot answer incoming calls. Speak 
with the other machine operator and ask her/him 
to sort out the problem.
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13.12   
Common Windows problems
Note
Refer to Microsoft Windows 98/Me/2000/XP(32/64bit)/2003
(32/64bit) User’s Guide that came with your PC for further 
information on Windows error messages.
Faxes do not store 
in memory. 
There may not be enough memory space to store 
the fax. If the display shows the 
Memory Full 
message, delete from memory any faxes you no 
longer need and then try again to store the fax.
Blank areas 
appear at the 
bottom of each 
page or on other 
pages, with a small 
strip of text at the 
top. You may have chosen the wrong paper settings 
in the user option setting. For details about paper 
settings, see page 5.7.
ConditionSuggested solutions
“File in Use” 
message appears 
during installation. Exit all software applications. Remove all 
software from the StartUp Group, then restart 
Windows. Reinstall the printer driver.
“Error Writing to 
LPTx” message 
appears. • Ensure that the cables are connected correctly, 
and that the machine is switched on.
• If bi-directional communication is not turned on 
in the driver, it will also cause this message.
“General 
Protection Fault”, 
“Exception OE”, 
“Spool32”, or 
“Illegal Operation” 
messages appear. Close all other applications, reboot Windows and 
try printing again.
“Fail To Print”, “A 
printer timeout 
error occurred.” 
messages appear. These messages may appear during printing. 
Just keep waiting until the machine finishes 
printing. If the message appears in standby mode 
or after printing has been completed, check the 
connection and/or whether an error has occurred.
ConditionSuggested solutionsCommon PostScript problems (SCX-4725FN only)
The following situations are PS language specific and may occur when 
several printer languages are being used.
Note
To receive a printed or screen-displayed message when PostScript 
errors occur, open the Print Options window and click the desired 
selection next to the PostScript errors section.
ProblemPossible causeSuggested solutions
PostScript file 
cannot be 
printed. The PostScript 
driver may not be 
installed correctly. • Install the PostScript driver, 
referring to the 
Software 
Section
.
• Print a configuration page 
and verify that the PS version 
is available for printing.
• If the problem persists, 
contact a service 
representative.
“Limit Check 
Error” message 
appears. The print job was 
too complex.
You might need to reduce the 
complexity of the page or install 
more memory.
A PostScript 
error page 
prints. The print job may 
not be PostScript.
Make sure that the print job is a 
PostScript job. Check to see 
whether the software 
application expected a setup or 
PostScript header file to be 
sent to the machine.
When print a 
document in 
Macintosh with 
Acrobat 
Reader 6.0 or 
higher, colors 
print 
incorrectly. The resolution 
setting in the 
printer driver may 
not be matched 
with that in 
Acrobat Reader.
Make sure that the resolution 
setting in your printer driver 
matches that in Acrobat 
Reader.
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