Samsung SCX 4321 User Manual

							Troubleshooting
9.10
Back of 
printouts are 
dirtyCheck for leaking toner. Clean the inside of the machine. 
See ?$paratext>? on page 8.2.
Black pages• The toner cartridge may not be installed properly. 
Remove the cartridge and reinsert it.
• The toner cartridge may be defective and need 
replacing. Remove the toner cartridge and install a new 
one. See ?$paratext>? on page 8.5.
• The machine may require repair. Contact a service 
representative.
Loose toner• Clean the inside of the machine. See ?$paratext>? on 
page 8.2.
• Check the paper type and quality. See ?$paratext>? on 
page 10.3.
• Remove the toner cartridge and install a new one. See 
?$paratext>? on page 8.5.
• If the problem persists, the machine may require 
repair. Contact a service representative.
Character 
VoidsCharacter voids are white areas within parts of characters 
that should be solid black:
• If you are using transparencies, try another type of 
transparency. Because of the composition of 
transparencies, some character voids are normal. 
• You may be printing on the wrong surface of the paper. 
Remove the paper and turn it around. 
• The paper may not meet paper specifications. See 
?$paratext>? on page 10.3.
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 
?$paratext>? on page 8.5.
• If the problem persists, the machine may require 
repair. Contact a service representative.
ConditionSuggested solutions
A
A
AaBbCc
AaBbCc
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AaBbCc
Copying Problems
CurlIf the printed paper is curled or paper does not feed into 
the machine:
• Turn over the stack of paper in the tray. Also try 
rotating the paper 180° in the tray.
ConditionSuggested solutions
ConditionSuggested solutions
Copies are too light or 
too dark.Use the Darkness button to darken or lighten the 
background of the copies.
Smears, lines, marks, 
or spots appears on 
copies.• If defects are on the original, press the 
Darkness button to lighten the background of 
your copies.
• If no defects are on the original, clean the scan 
unit. See ?$paratext>? on page 8.3.
Copy image is skewed. • Ensure that the original is face down on the 
document glass or face up in the ADF (Automatic 
Document Feeder).
• Check that the copy paper is loaded correctly.
Blank copies print out. Ensure that the original is face down on the 
document 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. 20 lb (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 document cover may be left open while 
copies are being made.
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							Troubleshooting
9.11
Scanning Problems
Fax Problems 
(Only for SCX-4521F/ SCX-4521FR)
ConditionSuggested solutions
The scanner does 
not work.• Make sure that you place the document to be 
scanned face down on the document glass, or face 
up in the Automatic Document Feeder.
• 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 or parallel cable is connected 
properly.
• Make sure that the USB or parallel cable is not 
defective. Switch the cable with a known good 
cable. If necessary, replace the cable.
• If you are using a parallel cable, ensure that it is 
compliant with IEEE 1284 standards.
• Check that the scanner is configured correctly. 
Check scan setting in the application you want to 
use to make certain that the scanner job is being 
sent to the correct port, for example, LPT1.
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 BIOS 
setting. It will help to increase the speed. For 
details about how to set BIOS, refer to your 
computer User’s Guide.
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 Phonebook list, referring to 
?$paratext>? on page 7.13.
The document does 
not feed into the 
machine.• Make sure that the document is not wrinkled and 
you are putting it in correctly. Check that the 
document is the right size, not too thick or thin. 
• Make sure that the ADF (Automatic Document 
Feeder) cover is firmly closed.
Faxe s ar e not 
received 
automatically.• Fax mode should be selected. 
• Make sure that there is paper in the tray.
• Check to see if the display shows “Memory Full”.
The machine does 
not send.• Make sure that the document is loaded in the ADF 
or on the document glass. 
• “TX” should show up on the display. 
• Check the fax machine you are sending to, to see 
if it can receive your fax.
The incoming fax has 
blank spaces or is of 
poor-quality.• The fax machine sending you the fax may be 
faulty. 
• A noisy phone line can cause line errors. 
• Check your machine by making a copy. 
• The toner cartridge may be empty. Replace the 
toner cartridge, referring to ?$paratext>? on 
page 8.5. 
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 documents you 
send.Check your scanning glass for marks and clean it. 
See ?$paratext>? on page 8.3.
The machine dials a 
number, but a 
connection with the 
other fax machine 
fails.The other fax machine may be turned off, out of 
paper, or cannot answer incoming calls. Speak with 
the other machine operator and ask her/him to sort 
out the problem.
Documents are not 
stored in memory. There may not be enough memory to store the 
document. If the display shows a “Memory Full” 
message, delete from memory any documents you 
no longer need and then try again to store the 
document.
Blank areas appear 
at the bottom of each 
page or on other 
pages, with a small 
strip of text at the 
top.You may have chosen the wrong paper settings in 
the user option setting. For details about paper 
settings, see ?$paratext>? on page 2.10.
ConditionSuggested solutions
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							Troubleshooting
9.12
Common Linux Problems
ProblemPossible Cause and Solution
The machine 
doesn’t print.• Check if the printer driver is installed in your system. 
Open MFP configurator and switch to the Printers tab in 
Printers configuration window to look at the list of 
available printers. Make sure that your machine is 
displayed on the list. If not, please, invoke Add new 
printer wizard to set up your device.
• Check if the printer is started. Open Printers 
configuration and select your machine on the printers list. 
Look at the description in the Selected printer pane. If its 
status contains “(stopped)” string, please, press the 
Start button. After that normal operation of the printer 
should be restored. The stopped status might be 
activated when some problems in printing occurred. For 
instance, this could be an attempt to print document 
when MFP port is claimed by a scanning application.
• Check if the MFP port is not busy. Since functional 
components of MFP (printer and scanner) share the same 
I/O interface (MFP port), the situation of simultaneous 
access of different “consumer” application to the same 
MFP port is possible. To avoid possible conflicts, only one 
of them at a time is allowed to gain control over the 
device. The other “consumer” will encounter “device 
busy” response. You should open MFP ports configuration 
and select the port assigned to your printer. In the 
Selected port pane you can see if the port is occupied by 
some other application. If this is the case, you should 
wait for completion of the current job or should press 
Release port button, if you are sure that the present 
owner is not functioning properly.
Check if your application has special print option such 
as “-oraw”. If “-oraw” is specified in the command 
line parameter then remove it to print properly. For 
Gimp front-end, select “print” -> “Setup printer” and 
edit command line parameter in the command item.
The machine 
doesn’t appear 
on the 
scanners list.• Check if your machine is attached to your computer. 
Make sure that it is connected properly via the USB port 
and is turned on.
• Check if the scanner driver for you machine is installed in 
your system. Open MFP Configurator, switch to Scanners 
configuration, then press 
Drivers. Make sure that driver 
with a name corresponding to your machines name is 
listed in the window.
• Check if the MFP port is not busy. Since functional 
components of MFP (printer and scanner) share the same 
I/O interface (MFP port), the situation of simultaneous 
access of different “consumer” application to the same 
MFP port is possible. To avoid possible conflicts, only one 
of them at a time is allowed to gain control over the 
device. The other “consumer” will encounter “device 
busy” response. This can usually happen while starting 
scan procedure, and appropriate message box displays. 
To identify the source of the problem, you should open 
MFP ports configuration and select the port assigned to 
your scanner. MFP ports symbol /dev/mfp0 corresponds 
to LP:0 designation displayed in the scanners’ options, /
dev/mfp1 relates to LP:1 and so on. USB ports start at /
dev/mfp4, so scanner on USB:0 relates to /dev/mfp4 
respectively and so forth sequentially. In the Selected 
port pane you can see if the port is occupied by some 
other application. If this is the case, you should wait for 
completion of the current job or should press Release 
port button, if you are sure that the present ports owner 
is not functioning properly.
The machine 
doesn’t scan.• Check if a document is loaded into the machine.
• Check if your machine is connected to the computer. 
Make sure if it is connected properly if I/O error is 
reported while scanning.
• Check if MFP port is not busy. Since functional 
components of MFP (printer and scanner) share the same 
I/O interface (MFP port), the situation of simultaneous 
access of different “consumer” application to the same 
MFP port is possible. To avoid possible conflicts, only one 
of them at a time is allowed to gain control over the 
device. The other “consumer” will encounter “device 
busy” response. This can usually happen while starting 
scan procedure, and appropriate message box will be 
displayed.
ProblemPossible Cause and Solution
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							Troubleshooting
9.13
The machine 
doesn’t scan. 
(continued)• To identify the source of the problem, you should open 
MFP ports configuration and select the port assigned to 
your scanner. MFP port’s symbol /dev/mfp0 corresponds 
to LP:0 designation displayed in the scanners’ options, /
dev/mfp1 relates to LP:1 and so on. USB ports start at /
dev/mfp4, so scanner on USB:0 relates to /dev/mfp4 
respectively and so forth sequentially. In the Selected 
port pane you can see if the port is occupied by some 
other application. If this is the case, you should wait for 
completion of the current job or should press Release 
port button, if you are sure that the present port’s owner 
is not functioning properly.
I can’t print 
when I 
installed both 
Linux Print 
Package (LPP) 
and MFP driver 
on the same 
machine 
simultaneously.• Since both Linux Printer Package and MFP driver make a 
symbolic link to “lpr” printing command, which is 
commonly used on Unix clones, it is not recommended to 
use both package on the same machine. 
• If you still want to use both packages simultaneously, 
please install the LPP first. 
• If you want to uninstall only one of them, please uninstall 
both packages and install that one you want to use again. 
• If you don’t want to uninstall MFP driver and install it 
again, you may make the necessary symbolic link 
yourself. Please, log in as root user and invoke the 
following command:
 ln -sf /usr/local/bin/samsung/slpr /usr/bin/lpr
Can’t scan via 
Gimp Front-
end.• Check if Gimp Front-end has “Xsane:Device dialog..” on 
the “Acquire” menu. If not, you should install Xsane plug-
in for Gimp on the your computer. You can find Xsane 
plug-in package for Gimp on Linux distribution CD or 
Gimp home page. For the detail information, refer to the 
Help for Linux distribution CD or Gimp Front-end 
application. 
If you wish to use other kind of scan application, refer to 
the Help for application.
I encounter 
error “Cannot 
open MFP port 
device file” 
when printing 
a document.Please avoid changing print job parameters (via SLPR 
utility, for example) while a print job is in progress. Known 
versions of CUPS server break the print job whenever print 
options are changed and then try to restart the job from 
the beginning. Since Linux MFP driver locks MFP port while 
printing, the abrupt termination of the driver keeps the port 
locked and therefore unavailable for subsequent print jobs. 
If this situation occurred, please, try to release the MFP 
port. 
ProblemPossible Cause and Solution
Common Macintosh Problems
Problems in Printer Setup Utility
ProblemPossible Cause and Solution
There is described 
driver not 
installed at Product 
List Window after 
you click Add and 
Select USB.• Software is not installed correctly. Reinstall the 
software. See 
Software User’s Guide.
• Make sure that you are using a high-quality cable.
Your product not 
listed at Product 
List Window after 
you click Add and 
Select USB.• Make sure that the cables are connected correctly 
and the printer is turned on. 
• Check if “Ready” appears on the display of the 
control panel. If not, clear the problem depending 
on the error message; see ?$paratext>? on 
page 9.4.
• Make sure that the correct printer driver has been 
selected at Product List Window after you click Add 
and Select USB.
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							Specifications
10.1
10Specifications
This chapter includes:
• General Specifications
• Scanner and Copier Specifications
• Printer Specifications
• Facsimile Specifications (Only for SCX-4521F/ SCX-
4521FR)
• Paper Specifications
General Specifications
ItemDescription
Automatic document 
feederUp to 30 sheets (20 lb, 75 g/m2 bond)
ADF document size Width: 5.6 to 8.5 inches (142 to 216 mm)
Length: 5.8 to 14 inches (148 to 356 mm)
Paper input capacityTray with multi-pages: 150 multi-pages for plain 
paper (20 lb, 75 g/m
2 bond) 
Tray with single page and manual tray: 1 single page 
for plain paper, card stock, labels, transparencies, 
and envelopes 
Paper output capacity 50 sheets
Paper typePlain paper, Transparencies, Labels, Card stock, 
Envelopes
Consumables 1-piece toner cartridge system
Power requirements110 - 127 VAC, 50/60 Hz, 4.5 A
220 - 240 VAC, 50/60 Hz, 2.5 A
Power consumptionSleep mode: Under 10 W
Average: 350 W
Noise
*
*.Sound Pressure Level, ISO7779Standby mode: Less than 35 dBA
Warm up: Less than 49 dBA
Copying: Less than 55 dBA
Printing: Less than 53 dBA
Warm-up time Less than 35 seconds
Operating conditionsTemperature: 50 
oF to 89 oF (10 oC to 32 oC)
Humidity: 20 % to 80 % RH
LCD 16 characters x 2 lines
Toner cartridge life
**
**.The number of pages may be affected by operating environment, printing 
interval, media type, and media size.3,000 pages (for starter, 1,000 pages) @ ISO 19752 
5 % coverage
SET dimension 
(W x D x H)17.2 x 14.7x 14.5 in. (438 x 374 x 368 mm)
Weight 10.4 Kg (including consumables)
Package weightPaper: 1.2 Kg
Plastic: 0.5 Kg
Duty cycle (Monthly) Print: Up to 4,200 pages
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							Specifications
10.2
Scanner and Copier 
Specifications
ItemDescription
Compatibility TWAIN standard / WIA standard
Scanning methodADF and Flat-bed CIS (Contact Image Sensor) 
module
ResolutionOptical: 600 x 600 dpi (Mono and color)
Enhanced: 4,800 x 4,800 dpi 
Effective scanning 
lengthPlaten: 11.7 in. (297 mm)
ADF: 14 in. (356 mm)
Effective scanning 
widthMax. 8.2 in. (208 mm)
Color bit depth 24 bit
Mono bit depth1 bit for Black & White mode
8 bit for Gray mode
Copy speed
*
*. Copy Speed is based on Single Document Multiple Copy.• SCX-4521F: Up to 20 cpm in A4 (20 cpm in Letter)
• SCX-4521FR: Up to 9 cpm in A4 (9 cpm in Letter)
First copy out timeStandby mode: 11 seconds
Power save mode: 41 seconds
Copy resolutionScan: 600 x 300 (Text, Text/Photo)
600 x 600 (Photo using Platen)
600 x 300 (Photo using ADF)
Print: 600 x 600 (Text, Text/Photo, Photo)
Zoom ratePlaten: 25 ~ 400 %
ADF: 25 ~ 100 %
Multiple copies 1-99 pages
Gray scale 256 levels
Printer Specifications
ItemDescription
Printing method Laser Beam Printing
Printing speed
*
*. Print speed will be affected by operating system used, computing 
performance, application software, connecting method, media type, 
media size, and job complexity.Up to 20 ppm in A4 (20 ppm in Letter)
First print out timeStandby mode: 11 seconds
Power save mode: 41 seconds
Paper sizeLetter, Legal, A4, Folio, Executive, A5, A6 card, 
Envelope 10, Envelope DL, Envelope C5, Envelope 
C6, Envelope 7-3/4 (Monarch), JIS B5, ISO B5
* Min.: 3 x 5 in. (76 x 127 mm)
Max.: 8.5 x 14 in. (216 x 356 mm)
Printer resolution 600 x 600 dpi 
Emulation SPL (Samsung Printer Language)
OS Compatibility
**
**.Please visit www.samsungprinter.com to download the latest soft-
ware version.Windows 98/2000/NT 4.0/Me/XP, Various Linux OS 
(USB only), Macintosh 10.3
Memory 10 MB (Non-expendable)
IntefaceIEEE 1284 Parallel, 
USB 1.1 (Compatible with USB 2.0)
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							Specifications
10.3
Facsimile Specifications 
(Only for SCX-4521F/ SCX-4521FR)
ItemDescription
Compatibility ITU-T Group 3
Applicable linePublic Switched Telephone Network (PSTN) or 
behind PABX
Data coding MH/MR/MMR (ECM Mode)/JPEG
Modem speed 33.6 Kbps
Transmission speedApprox. 3 seconds/page
* Transmission time applies to memory 
transmission of text data with ECM compression 
using only ITU-T No.1 Chart.
Maximum document 
lengthPlaten: 11.7 in. (297 mm)
ADF: 14 in. (356 mm)
Paper size Letter, A4, Legal, Folio, Executive, B5
ResolutionStandard: 203 x 98 dpi
Fine: 203 x 196 dpi
Super Fine: 300 x 300 dpi
Photo: 203 x 196 dpi
Color: 200 x 200 dpi
Memory 2 MB 
Halftone 256 levels
Auto dialer Speed dialing (up to 100 numbers)
Paper Specifications
Overview
Your machine accepts a variety of print materials, such as cut-
sheet paper (including up to 100% recycled fiber content 
paper), envelopes, labels, transparencies and custom-size 
paper. Properties, such as weight, composition, grain and 
moisture content, are important factors affecting the machine’s 
performance and the output quality. Paper that does not meet 
the guidelines outlined in this user’s guide can cause the 
following problems:
• Poor print quality
• Increased paper jams
• Premature wear on the machine.
NOTES: 
• Some paper may meet all of the guidelines in this guide and 
still not produce satisfactory results. This may be the result 
of improper handling, unacceptable temperature and 
humidity levels, or other variables over which Samsung has 
no control.
• Before purchasing large quantities of paper, insure the paper 
meets the requirements specified in this user’s guide. 
CAUTION: Using paper that does not meet these 
specifications may cause problems, requiring repairs. These 
repairs are not covered by the Samsung warranty or service 
agreements.
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							Specifications
10.4
Supported Sizes of Paper
NOTE: You may experience jams when using print materials 
with a length of less than 5 in. (127 mm). For optimum 
performance, ensure that you are storing and handling the 
paper correctly. Please refer to ?$paratext>? on page 10.5.
PaperDimensions*WeightCapacity**
Letter8.5 x 11 in. 
(216 x 279 mm)
• 16 to 24 lb 
(60 to 90 g/m
2 
bond) for the tray 
with multi-pages 
feeding
• 16 to 43 lb 
(60 to 165 g/m
2 
bond) for the tray 
with single page 
feeding and the 
manual tray• 150 
sheets of 
20 lb 
(75 g/m
2 
bond) 
paper for 
the tray
•1 sheet of 
paper for 
the tray or 
manual 
tray A48.3 x 11.7 in. 
(210 x 297 mm)
Executive7.3 x 10.5 in. 
(184 x 267 mm)
Legal8.5 x 14 in. 
(216 x 356 mm)
A5 5.8 x 8.2 in. 
(148 x 210 mm)
A6 4.1 x 5.8 in.
(105 x 148 mm)
ISO B56.9 x 9.8 in.
(176 x 250 mm)
JIS B57.2 x 10.1 in.
(182 x 257 mm)
Folio8.5 x 13 in.
(216 x 330 mm)
Minimum size 
(custom)3 x 5 in
(76 x 127 mm)16 to 43 lb (60 to 165 
g/m
2 bond) for the 
tray with single page 
feeding and the 
manual tray
1 sheet of 
paper for 
the tray or 
manual tray Maximum size 
(custom)8.5 x 14 in
(216 x 356 mm)
Transparency
Same minimum 
and maximum 
paper sizes as 
listed above.138 to 146 g/m
2
Labels
120 to 150 g/m2
Cards
90 to 163 g/m2
Envelopes75 to 90 g/m2
(20  to 24 lb)
*. The machine supports a wide range of media sizes. See ?$para-
text>? on page 3.1
**.Capacity may differ depending on media weight, thickness, and 
environmental conditions.
Guidelines for Using Paper
For the best result, use conventional 20 lb (75 g/m2 bond) 
paper. Ensure that the paper is of good quality, and free of cuts, 
nicks, tears, spots, loose particles, dust, wrinkles, voids, and 
curled or bent edges.
If you are unsure of what type of paper you are loading, such 
as bond or recycled paper, check the label on the package.
The following problems may cause print quality deviations, 
jamming or even damage to the machine:
NOTES: 
• Do not use letterhead paper printed with low-temperature 
inks, such as those used in some types of thermography.
• Do not use raised or embossed letterhead.
• The machine uses heat and pressure to fuse toner to the 
paper. Insure that any colored paper or preprinted forms use 
inks that are compatible with this fusing temperature (200 
°C or 392 °F for 0.1 second).
SymptomProblem with PaperSolution
Poor print quality or 
toner adhesion, 
problems with feedingToo moist, too rough, 
too smooth or 
embossed; faulty paper 
lotTry another kind of 
paper, between 100 ~ 
400 Sheffield, 4 ~ 5 % 
moisture content.
Dropout, jamming, 
curlStored improperlyStore paper flat in its 
moisture-proof 
wrapping.
Increased gray 
background shading/
printer wearToo heavy Use lighter paper.
Excessive curl 
problems with feedingToo moist, wrong grain 
direction or short-grain 
constructionUse long-grain paper.
Jamming, damage to 
machineCutouts or perforationsDo not use paper with 
cutouts or perforations.
Problems with feeding Ragged edges Use good quality paper.
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							Specifications
10.5
Paper Specifications
Paper Output Capacity
Paper Storage Environment
Paper storage environmental conditions directly affect the feed 
operation.
Ideally, the machine and paper storage environment should be 
at or near room temperature, and not too dry or humid. 
Remember that paper is hygroscopic; it absorbs and loses 
moisture rapidly.
Heat works with humidity to damage paper. Heat causes the 
moisture in paper to evaporate, while cold causes it to 
condense on the sheets. Heating systems and air conditioners 
remove most of the humidity from a room. As paper is opened 
and used, it loses moisture, causing streaks and smudging. 
Humid weather or water coolers can cause the humidity to 
increase in a room. As paper is opened and used it absorbs any 
excess moisture, causing light print and dropouts. Also, as 
paper loses and gains moisture it can become distorted. This 
can cause paper jams.
Care should be taken not to purchase more paper than can be 
used in a short time (about 3 months). Paper stored for long 
periods may experience heat and moisture extremes, which 
can cause damage. Planning is important to prevent damage to 
large supplies of paper.
Unopened paper in sealed reams can remain stable for several 
months before use. Opened packages of paper have more 
potential for environment damage, especially if they are not 
wrapped with a moisture-proof barrier.
The paper storage environment should be properly maintained 
to ensure optimum performance. The required condition is 20 
CategorySpecifications
Acid content 5.5 pH or lower
Caliper 3.0 ~ 7.0 mils (0.094 ~ 0.18 mm)
Curl in ream Flat within 0.02 in. (5 mm)
Cut edge conditions Cut with sharp blades with no visible fray.
Fusing compatibilityMust not scorch, melt, offset or release hazardous 
emissions when heated to 200 °C (392 °F) for 0.1 
second.
Grain Long grain
Moisture content 4 % ~ 6 % by weight
Smoothness 100 ~ 400 Sheffield
Output LocationCapacity
Face-down output tray
50 sheets of 20 lb (75 g/m2 bond) paper
to 24 °C (68 to 75 °F), with a relative humidity of 45 % to 55 
%. The following guidelines should be considered when 
evaluating the paper’s storage environment:
• Paper should be stored at or near room temperature.
• The air should not be too dry or too humid.
• The best way to store an opened ream of paper is to 
rewrap it tightly in its moisture-proof wrapping. If the 
machine environment is subject to extremes, unwrap 
only the amount of paper to be used during the day’s 
operation to prevent unwanted moisture changes.
Envelopes
Envelope construction is critical. Envelope fold lines can vary 
considerably, not only between manufacturers, but also within 
a box from the same manufacturer. Successful printing on 
envelopes depends upon the quality of the envelopes. When 
selecting envelopes, consider the following components:
• Weight: The weight of the envelope paper should not 
exceed 24 lb (90 g/m2 bond) or jamming may occur.
• Construction: Prior to printing, envelopes should lie flat 
with less than 0.25 in. (6 mm) curl, and should not 
contain air.
• Condition: Envelopes should not be wrinkled, nicked or 
otherwise damaged.
• Temperature: You should use envelopes that are 
compatible with the heat and pressure of the machine.
• Size: You should only use envelopes within the following 
size ranges.
NOTES:
• Load only one sheet of paper at a time to print envelopes.
• You may experience some paper jams when using any media 
with a length less than 5.5 in. (140 mm). This may be 
caused by paper that has been affected by environmental 
conditions. For optimum performance, make sure you are 
storing and handling the paper correctly. Please refer to 
?$paratext>? on page 10.5.
MinimumMaximum
3 x 5 in.
(76 x 127 mm)8.5 x 14 in.
(216 x 356 mm)
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							Specifications
10.6
Envelopes with Double Side Seams
Double side-seams construction has vertical seams at both 
ends of the envelope rather than diagonal seams. This style 
may be more likely to wrinkle. Be sure the seam extends all the 
way to the corner of the envelope as illustrated below.
Envelopes with Adhesive Strips or Flaps
Envelopes with a peel-off adhesive strip or with more than one 
flap that folds over to seal must use adhesives compatible with 
the heat and pressure in the machine. The extra flaps and strips 
might cause wrinkling, creasing or even jams and may even 
damage the fuser.
Envelope Margins
The following gives typical address margins for a commercial 
#10 or DL envelope.
NOTES:
• For the best print quality, position margins no closer than 
0.6 in. (15 mm) from the edges of the envelope.
• Avoid printing over the area where the envelope’s seams 
meet.
Envelope Storage
Proper storage of envelopes helps contribute to print quality. 
Envelopes should be stored flat. If air is trapped in an envelope, 
creating an air bubble, then the envelope may wrinkle during 
printing.
Correct
Incorrect
Type of AddressMinimumMaximum
Return address 0.6 in. (15 mm) 2 in. (51 mm)
Delivery address 2 in. (51 mm) 3.5 in. (90 mm)
Labels
CAUTIONS: 
• To avoid damaging the machine, use only labels 
recommended for laser printers.
• To prevent serious jams, always load one sheet of paper at a 
time to print labels.
• Never print on the same sheet of labels more than once and 
never print on a partial sheet of labels.
When selecting labels, consider the quality of each component:
• Adhesives: The adhesive material should be stable at 
180°C (356°F), the machine’s fusing temperature.
• Arrangement: Only use labels with no exposed backing 
between them. Labels can peel off sheets with spaces 
between the labels, causing serious jams.
• Curl: Prior to printing, labels must lie flat with no more 
than 5 in. (13 mm) of curl in any direction.
• Condition: Do not use labels with wrinkles, bubbles or 
other indications of separation.
Transparencies
Transparencies used in the machine must be able to withstand 
180°C (356°F), the machine’s fusing temperature.
CAUTION: To avoid damaging the machine, use only 
transparencies recommended for use in laser printers.
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