Samsung CLP620ND Users Manual

of the fuser unit might be high and could damage your skin.

7. Lower the paper transfer belt until it is parallel with the front cover and
firmly seated.

When you open the front cover and work inside the machine, it is
highly recommend that you remove the paper transfer belt first.
Because the work you do could contaminate the paper transfer
belt.

4. Hold

ing both handles on the toner cartridge, thoroughly rock it from side

to side to redistribute the toner.

If toner gets on your clothing, wipe it off with a dry cloth and wash
clothing in cold water. Hot water sets toner into fabric.

5. Slide the toner cartridge back into the machine.

6. Hold

ing the handle on the paper transfer belt, align it with the slots on

the inside of the front cover.

8. Close the front cover. Ensure that the cover is securely closed.

If the front cover is not completely closed, the machine will not
operate.

TIPS FOR AVOIDING PAPER JAMS

By selecting the correct media types, most paper jams can be avoided.
When a paper jam occurs, refer to the below guidelines.

• Ensure that the adjustable guides are positioned correctly (See "Loading

paper in the tray" on page 37).

• Do

not overload the tray. Ensure that the paper level is below the paper

capacity mark on the inside of the tray.

• D

o not remove paper from the tray while your machine is printing.

• F

lex, fan, and straighten paper before loading.

• D

o not use creased, damp, or highly curled paper.

• D

o not mix paper types in a tray.

• U

se only recommended print media (See "Setting the paper Type and

Size" on page 41).

• Ensure that the recommended side of the print media is facing up in the

tray, or facing down in the multi-purpose tray.

• If

paper jams occur frequently when you print on A5/B5-sized paper:
Load the paper into the tray with the long edge facing the front of the
tray.

If load the paper this way, printing both sides of the paper (duplex) is not
supported.

In the Printing
rotated 180 degrees (See "Opening printing preferences" on page 44).

Troubleshooting_ 66

Preferences window, set the page orientation to be

CLEARING PAPER JAMS

When a paper jam occurs, a warning message appears on the display.

To avoid tearing the paper, pull the jammed paper out slowly and
gently. Follow the instructions in the following sections to clear the
jam.

In tray 1

Click this link to open an animation about clearing a jam.

If paper is jammed in the paper feed area
the jammed paper.

1. Using

2. Remove the jammed paper by pulling in the direction shown. To avoid

the handle, completely open the front cover.

tearing the paper, pull it out gently and slowly.

, follow the steps below to release

ll out tray 1.

4. Pu

5. Remove the jammed paper by pulling in the direction shown. To avoid

tearing the paper, pull it out gently and slowly.

6. Insert tray 1 back into the machine until it snaps into place. Printing
automatically resumes.

3. Close the front cover.
If the front cover is not completely closed, the machine will not

operate.

In optional tray

1. Pu

2. R

tearing the paper, pull it out gently and slowly.

Troubleshooting_ 67

Click this link to open an animation about clearing a jam.

This section explains the method of removing jammed paper in the
optional tray 2. Please refer to the below method for other optional
tray, since the method is same for all optional trays.

ll out optional tray 2 open.

emove the jammed paper by pulling in the direction shown. To avoid

If the paper does not move when you pull or if you do not see the paper
in this area, stop and go to the next step.

3. Using the handle, completely open the front cover.

4. Remove the jammed

tearing the paper, pull it out gently and slowly.

5. Close the front cover and insert the trays back into the machine. Printing

automatically resumes.

If the front cover is not completely closed, the machine will not
operate.

paper by pulling in the direction shown. To avoid

In the multi-purpose tray

Click this link to open an animation about clearing a jam.

When you print using the multi-purpose tray and the machine detects
that there is either no paper or that the paper has been improperly
loaded, follow the next steps to release the jammed paper.

e paper is not feeding properly, pull the paper out of the machine.

1. If th

emove the jammed paper by pulling in the direction shown. To avoid

4. R
tearing the paper, pull it out gently and slowly.

• Do not touch the green surface, the OPC drum or the front of
the toner cartridge, with your hands or any other material. Use
the handle on each cartridge in order to avoid touching this
area.

• Be careful not to scratch the surface

• If you leave the front cover open for more than a few minutes,
th

e OPC drum can be exposed to light. This will cause damage
to the OPC drum. Close the front cover when the installation
needs to be halted for any reason.

5. C

lose the front cover to resume printing.

If the front cover is not completely closed, the machine will not
operate.

of the paper transfer belt.

In the fuser unit area

Click this link to open an animation about clearing a jam.

The fuser area is hot. Take care when removing paper from the
machine.

1. Open the top cover.

If you do not see the jammed paper or if there is any resistance when
you pull, stop and go to step 3.

2. Open and close the front cover to resume printing.
If the front cover is not completely closed, the machine will not

operate.

3. Using the handle, completely open the front cover.

Troubleshooting_ 68

2. Open the inner cover using the handle on it.

n and close the front cover. The jammed paper is automatically

1. Ope
ejected from the machine.

2. Gently pull the paper out of the output tray.

Do not touch the fuser inside the inner cover. It is hot and could
cause burns! The fuser's operating temperature is 180°C (356°F).
Take care when removing paper from the machine.

3. Pull up

4. Press down the paper jam lever to fasten the fusing part.

5. Close

6. After removing the jammed paper, check for paper which may be

7. Close the top cover. Ensure that the cover is securely closed.

the paper jam lever to loose the fusing part of the fuser unit and

carefully take the jammed paper out of the machine.

the inner cover.

Before closing the inner cover, the jam lever must be fastened first
(step4). Otherwise, paper jam can occur.

jammed in other parts of the machine.

If the top cover is not completely closed, the machine will not
operate.

In exit area

Click this link to open an animation about clearing a jam.

If you do not see the jammed paper or if there is any resistance when
you pull, stop and see "In the fuser unit area" on page 68.

3. Ope

n and close the front cover to resume printing.

If the front cover is not completely closed, the machine will not
operate.

In the duplex unit area

Click this link to open an animation about clearing a jam.

sing the handle, completely open the front cover.

1. U

Be careful not to scratch the surface of the paper transfer belt.

ss the green release handle to release the paper transfer belt.

2. Pre
Holding the handle on the paper transfer belt, lift it out of the machine.

Troubleshooting_ 69

3. Remove the jammed paper by pulling in the direction shown. To avoid
tearing the paper, pull it out gently and slowly.

4. Holding the handle on the paper transfer belt, align it with the slots on
the inside of the front cover.

5. Lower the paper transfer belt until it is parallel with the front cover and
firmly seated.

6. Close the front cover to resume printing.

If the front cover is not completely closed, the machine will not
operate.

UNDERSTANDING DISPLAY MESSAGES

Messages appear on the Smart Panel program window or on the control
panel display to indicate machine status or errors. Refer to the tables below
to understand the messages meaning to correct the problem, if necessary.
Messages and their explanations are listed in alphabetical order.

• If a message is not in the table, reboot the power and try the
printing job again. If the problem persists, call for service.

• When you call for service, provide th
the contents of display message.

• Some messages may not appear in the display depending on the
options or models.

• [error number] indicates the error

• [tray type] indicates the tray number.

• [media type] indicates the media type.

• [media size] indicates the media size.

• [color] indicates the color of toner or imaging unit.

MESSAGE MEANING

Adjusting Color
Registration

BOOTP problem
Auto IP Run

BOOTP problem
Reconfigure DHCP

Calibrating
image density…

DHCP problem:
Auto IP Run

DHCP problem
Reconfigure
BOOTP

The machine is
adjusting the color
registration.

The IP address
assignment is failed.
This happens, when
Auto IP for BOOTP is
set in SyncThru™
Web Service.

The IP address
assignment is failed.
This happens, when
Auto IP for BOOTP is
not set in SyncThru™
Web Service.

The machine is
calibrating the image
density.

The IP address
assignment is failed.
This happens, when
Auto IP for DHCP is
set in SyncThru
Web™ Service.

The IP address
assignment is failed.
This happens, when
Auto IP for DHCP is
not set in SyncThru™
Web Service.

e service representative with

number.

SUGGESTED

SOLUTIONS

Wait a few minutes.

Change the IP address
assignment method to
DHCP or Static. If you do
not change this option,
the BOOTP server
continually asks to assign
the IP Address.

Change the IP address
assignment method to
DHCP or Static. If you do
not change this option,
the BOOTP server
continually asks to assign
the IP Address.

Wait a few minutes.

Change the IP address
assignment method to
BOOTP or Static. If you
do not change this option,
the DHCP server
continually asks to assign
the IP Address.

Change the IP address
assignment method to
BOOTP or Static. If you
do not change this option,
the DHCP server
continually asks to assign
the IP Address.

Troubleshooting_ 70

MESSAGE MEANING

Error [error number]
[color] toner

Error [error number]
Turn off then on

Install Toner

ź

Load [tray number]
with
[media size][media
type]

Network Problem:
IP Conflict

Not Compatible
[color] toner

Not Compatible
Transfer belt

Not Installed
Transfer belt

The indicated toner
cartridge is installed
improperly, or the
connector is polluted.

A systematic error has
occurred

The indicated toner
cartridge is installed
improperly, or not
installed.

There is no
corresponding paper
in the corresponding
tray.

The IP address is
used elsewhere.

The indicated toner
cartridge is not
suitable for your
machine.

The transfer belt is not
suitable for your
machine.

The transfer belt is not
installed.

SUGGESTED

SOLUTIONS

Reinstall the
Samsung-genuine toner
cartridge two or three
times to confirm it is
seated properly. Or clean
the connector. If the
problem persists, contact
the service
representatives.

Reboot the power and try
the printing job again. If
the problem persists, call
for service.

Reinstall the toner
cartridge two or three
times to confirm it is
seated properly. If the
problem persists, the
toner cartridge is not
being detected. Contact
the service
representatives.

Load corresponding
paper in the
corresponding tray.
(Page 4.4)

Check the IP address or
obtain a new IP address.

Install the corresponding
toner cartridge with a
Samsung-genuine
cartridge (See "Replacing
the toner cartridge" on
page 82).

Install the
Samsung-genuine
transfer belt. If the
problem persists, contact
the service
representatives (See
"Replacing the paper
transfer belt" on
page 83).

Reinstall the Samsung

-genuine transfer belt two
or three times to confirm
it is seated properly. If the
problem persists, the
transfer belt is not being
detected. Contact the
service representatives
(See "Replacing the
paper transfer belt" on
page 83).

MESSAGE MEANING

Not proper room
temp. Move set

Output bin Full
Remove paper

Paper Empty
in [tray number]

Paper Jam
bottom of duplex

Paper Jam
in exit area

Paper Jam
inside machine

Paper Jam
in MP Tray

Paper Jam
in Tray1

Paper Jam
in Tray2

Prepare new
Transfer belt

Prepare Toner

ź

Pulled Out

[tray number]

Cassette

The machine is in a
room with improper
room temperature.

The output tray is full.
Or the sensor is not
facing down.

There is no paper in
the indicated tray.

Paper has jammed
during duplex printing.
This is applicable only
to machines with this
feature.

Special print media
has jammed in the
paper exit area.

Paper has jammed
inside the machine.

Paper has jammed in
the multi-purpose tray.

Paper has jammed in
the paper feed area
and inside the
machine.

Paper has jammed in
the optional tray.

The life of the transfer
belt will be expired
soon.

Small amount of toner
is left in the indicated
cartridge. The
estimated cartridge
life of toner is close.

The indicated tray
cassette is not
inserted, or not
properly closed.

SUGGESTED

SOLUTIONS

Move the machine to a
room with proper room
temperature (See
"Environmental
specifications" on
page 87).

Remove papers from the
output tray, the machine
resumes printing. Or
make sure the sensor is
facing down. If the
problem persists, call for
service.

Load paper in the tray.
(See "Loading paper in
the tray" on page 37).

Clear the jam (See "In the
duplex unit area" on
page 69).

Clear the jam (See "In
exit area" on page 69).

Clear the jam (See "In the
fuser unit area" on
page 68).

Clear the jam (See "In the
multi-purpose tray" on
page 68).

Clear the jam (See "In
tray 1" on page 67).

Clear the jam (See "In
optional tray" on
page 67).

Replace the transfer belt
with a new one. Contact
the service
representatives.

Prepare a new cartridge
for a replacement. You
may temporarily increase
the printing quality by
redistributing the toner
(See

"Redistributing

toner" on page 65).

To close the tray, lower
the rear edge, align it with
the slot, and slide it into
the printer.

Troubleshooting_ 71

MESSAGE MEANING

Replace new
Fuser unit

The life of the fuser
unit has expired.

SUGGESTED

SOLUTIONS

Replace the fuser unit
with a new one. Contact
the service
representatives.

MESSAGE MEANING

Replace Toner

ź

The indicated toner
cartridge has almost
reached its estimated
cartridge life. The
machine might stop
printing.

Estimated
cartridge life
means the
expected or
estimated toner
cartridge life,
which indicates
the average
capacity of
print-outs and is
designed
pursuant to
ISO/IEC

19798.
The number of
pages may be
affected by
operating
environment,
printing interval,
media type and
media size.
Some amount of
toner may
remain in the
cartridge even
when red LED is
turned on
appears and the
printer stops
printing.

SUGGESTED

SOLUTIONS

• If Stop, Continue or

Mono Only appears in

the LCD display,
choose one of them. If
you select Stop, the
printer stops printing
and you cannot print
any more without
changing the cartridge.
If you select Continue,
the printer keeps
printing but the printing
quality cannot be
guaranteed. If you
select Mono Only, the
machine prints the
data in black only.

Replace the toner
cartridge for the best
print quality when this
message appears.
Using a cartridge
beyond this stage can
result in printing quality
issues (See
"Replacing the toner
cartridge" on page 82).

Samsung does
not recommend
using
non-genuine
Samsung toner
cartridge such as
refilled or
remanufactured.
Samsung cannot
guarantee
non-genuine
Samsung toner
cartridge's
quality. Service
or repair required
as a result of
using
non-genuine
Samsung toner
cartridges will not
be covered
under the
machine
warranty.

• If the machine stops

printing, replace the
toner cartridge (See
"Replacing the toner
cartridge" on page 82).

Troubleshooting_ 72

MESSAGE MEANING

Self Diagnostics
Please wait

Self Diagnostics
mode

Sleeping... The machine is in the

Updating Data
Please Wait...

The engine in your
machine is checking
some problems
detected.

The engine in your
machine is checking
some problems
detected.

power save mode.

• The machine is

updating data.

• This message

also appear when
priniting on a paper
smaller than A4,
such as envelope
or B5. In this case,
the machine is
adjusting the
setting for best print
result.

can

SUGGESTED

SOLUTIONS

Please wait a few
minutes.

Please wait a few
minutes.

When data is received, it
switches to on-line
automatically.

Wait a few minutes.

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, call for service.

Power problems

Click this link to open an animation about clearing a jam.

CONDITION SUGGESTED SOLUTIONS

The machine is not
receiving power,
or the connection
cab

le between the
computer and the
machine is not
connected properly.

• Plu

g in the power cord and switch on the

power-switch.

• Disconnect the machine cable and reconnect

it.

- Fo

r Local Printing

- For Network Printing

Troubleshooting_ 73

Paper feeding problems

CONDITION SUGGESTED SOLUTIONS

Paper jams during
printing.

Paper sticks
together.

Multiple sheets of
paper do not feed.

Paper does not feed
into the machine.

The paper keeps
jamming.

Transparencies stick
together in the paper
exit.

Envelopes skew or
fail to feed correctly.

Clear the paper jam (See "Clearing paper jams"
on page 67

• Check the maximum paper capacity of the

• Ma

• Remove pap

• Humid conditions may cause some paper to

Different types of paper may be stacked in the
tray. Load paper of only one type, size, and
weight.

• Remove any obstructions from inside the

• Pa

• The

• The paper is too thick. Use only paper that

• There is too much paper in the tray. Remove

• An

• There may be debris inside the machine.

Use only transparencies specifically designed
for laser printers. Remove each transparency as
it exits from the machine.

Ensure that the paper guides are against both
sides of the envelopes.

).

tray (See "Print media specifications" on
page 89).

ke sure that you are using the correct type
of paper (See "Print media specifications" on
page 89).

the paper.

stick together.

machine.

per has not been loaded correctly. Remove

paper from the tray and reload it correctly.

re is too much paper in the tray. Remove

excess paper from the tray.

meets the specifications required by the
machine (See "Print media specifications" on
page 89

excess paper from the tray. If you are printing
on special materials, use the multi-purpose
tray.

incorrect type of paper is being used. Use
only paper that meets the specifications
required by the machine (See "Print media
specifications" on page 89).

Open the front cover and remove any debris.

er from the tray and flex or fan

).

Printing problems

CONDITION

The machine
does not print.

The machine is not
receiving power.

The machine is not
se
default machine.

Check the machine for the following:

• T

• Paper is jammed. Clear the paper jam (See

• No

• The

• Remove the protection sheet on the paper

• Remove the seal

If a system error occurs, contact your service
re

The connection
ca
computer and the
machine is not
connected properly.

The connection
ca
computer and the
machine is
defective.

The port setting is
incorrect.

The machine may
be
incorrectly.

The printer driver
may be
installed.

POSSIBLE

CAUSE

lected as the

he front cover is not closed. Close the front

cover.

"Clearing paper jams" on page 67).

paper is loaded. Load paper (See "Loading

paper in the tray" on page 37).

toner cartridge is not installed. Install the

toner cartridge.

transfer belt. Refer to Quick Install Guide.

ing tape from the toner

cartridge. Refer to Quick Install Guide.

presentative.

ble between the

ble between the

configured

incorrectly

SUGGESTED

SOLUTIONS

Check the power cord
connections. Check the
power switch and the power
source.

Select your machine as your
default machine in your
Windows.

Disconnect the machine
ca

ble and reconnect it.

If possible, attach the cable
to an

other computer that is
working properly and print a
job. You can also try using a
different machine cable.

Check the Windows printer
setting to make sure
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.

Check the Printing
Preferences to ensure that
all of the print settings are
correct (See "Opening
printing preferences" on
page 44).

Repair the machine software
(See "Installing USB
connected machine’s driver"
on page 23).

that the

Troubleshooting_ 74

CONDITION

(Continued) The
machine does not
print.

The machine
selects print
materials from
the wrong paper
source.

A print job is
extremely slow.

Half the page is
blank.

POSSIBLE

CAUSE

The machine is
malfunctioning.

The document size
is so big that the
hard disk space of
the computer is
insufficient to
access the print job.

The paper option
that was selected in
the Printing
Preferences may
be incorrect.

The job may be
very complex.

The page
orientation setting
may be incorrect.

The paper size and
the paper size
settings do not
match.

SUGGESTED

SOLUTIONS

Check the display message
on the control panel to see if
the machine is indicating a
system error. Contact a
service representative.

Get more hard disk space
and print the document
again.

For many software
applications, the paper
source selection is found
under the Paper tab within
the Printing Preferences.
Select the correct paper
source. See the printer
driver help screen (See
"Opening printing
preferences" on page 44).

Reduce the complexity of
the page or try adjusting the
print quality settings.

Change the page orientation
in your application. See the
printer driver help screen.

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.

CONDITION

The machine
prints, but the
text is wrong,
garbled, or
incomplete.

Pages print, but
they are blank.

The machine
does not print
PDF file correctly.
Some parts of
graphics, text, or
illustrations are
missing.

POSSIBLE

CAUSE

The machine cable
is loose or
defective.

The wrong printer
driver was selected.

The software
application is
malfunctioning.

The operating
system is
malfunctioning.

If you are in a DOS
environment, the
font setting for your
machine may be
set incorrectly.

The toner cartridge
is defective or out of
toner.

The file may have
blank pages.

Some parts, such
as the controller or
the board, may be
defective.

Incompatibility
between the PDF
file and the Acrobat
products.

SUGGESTED

SOLUTIONS

Disconnect the machine
cable and reconnect. Try a
print job that you have
already printed successfully.
If possible, attach the cable
and the machine to another
computer that you know
works and try a print job.
Finally, try a new machine
cable.

Check the application’s
printer selection menu to
ensure that your machine is
selected.

Try printing a job from
another application.

Exit Windows and reboot the
computer. Turn the machine
off and back on again.

Change the language
setting (See "Changing font
setting" on page 35).

Redistribute the toner, if
necessary.
If necessary, replace the
toner cartridge.

Check the file to ensure that
it does not contain blank
pages.

Contact a service
representative.

Printing the PDF file as an
image may enable the file to
print. Turn on Print As
Image from the Acrobat
printing options.

It will take longer to
print when you print a
PDF file as an image.

Troubleshooting_ 75

CONDITION

C
C
C
C
C

The print quality
of photos is not
good. Images are
not clear.

Before printing,
the machine
emits vapor near
the output tray.

The machine
does not print
special- sized
paper, such as
billing paper.

POSSIBLE

CAUSE

The resolution of
the photo is very
low.

Using damp paper
can cause vapor
during printing.

Paper size and
paper size setting
do not match.

SUGGESTED

SOLUTIONS

Reduce the photo size. If
you increase the photo size
in the software application,
the resolution will be
reduced.

This is not a problem. Just
keep printing.

Set the correct size in the
Paper tab > Size > Edit... in
the Printing Preferences
(See "Opening printing
preferences" on page 44).

Printing quality problems

If the inside of the machine is dirty or paper has been loaded improperly,
there might be a reduction in print quality. See the table below to clear the
problem.

CONDITION SUGGESTED SOLUTIONS

Light or faded print

Toner specks

AaBbCc
AaBbCc
AaBbCc
AaBbCc

• If 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 "Redistributing toner"
on page 65). If this does not improve the print
quality, install a new toner cartridge.

• T

he paper may not meet paper specifications;
for example, the paper may be too moist or
rough (See "Print media specifications" on
page 89).

• If the entire pa

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.

• A combina

may indicate that the toner cartridge needs
cleaning (See "Cleaning the inside" on
page 62).

• T

he surface of the LSU part inside the
machine may be dirty (See "Cleaning the
inside" on page 62).

• The paper may not meet specifications; for

example, the paper may be too moist or rough
(See "Print media specifications" on page 89).

• T

he transfer roller may be dirty. Clean the
inside of your machine. Contact a service
representative.

• T

he paper path may need cleaning. Contact a
service representative.

ge is light, the print resolution

tion of faded or smeared defects

AaBbCc

CONDITION SUGGESTED SOLUTIONS

Dropouts

AaBb
AaBb
AaBb
AaBb
AaBb

White Spots

Vertical lines

Color or Black
background

If faded areas, generally rounded, occur
randomly on the page:

• A singl

• The moisture content of the paper is uneven

• T

• Ch

• If these steps do no

If white spots appear on the page:

• T

• T

If black vertical streaks appear on the page:

• The surface (drum

If white vertical streaks appear on the page:

• T

If the amount of background shading becomes
unacceptable:

• Ch

• Check the environmental conditions: very

• Re

e sheet of paper may be defective.

Try reprinting the job.

or the paper has moist spots on its surface.
Try a different brand of paper (See "Print
media specifications" on page 89).

he paper lot is bad. The manufacturing
processes can cause some areas to reject
toner. Try a different kind or brand of paper.

ange the printer option and try again. Go
to Printing Preferences, click Paper tab,
and set type to Thick Paper (See "Opening
printing preferences" on page 44).

contact a service representative.

he paper is too rough and a lot of dirt from a
paper falls to the inner devices within the
machine, so the transfer roller may be dirty.
Clean the inside of your machine (See
"Cleaning the inside" on page 62).

he paper path may need cleaning (See
"Cleaning the inside" on page 62).

cartridge inside the machine has probably
been scratched. Remove the toner cartridge
and install a new one (See "Replacing the
toner cartridge" on page 82).

he surface of the LSU part inside the
machine may be dirty (See "Cleaning the
inside" on page 62).

ange to a lighter weight paper (See "Print

media specifications" on page 89).

dry conditions (low humidity) or a high level
of humidity (higher than 80% RH) can
increase the amount of background shading.

move the old toner cartridge and, install a
new one (See "Replacing the toner
cartridge" on page 82

t correct the problem,

part) of the toner

).

Troubleshooting_ 76

A

CONDITION SUGGESTED SOLUTIONS

A

C

C

C

Cc

A

c

A

Toner smear If toner smears on the page:

• C

lean the inside of the machine (See

"Cleaning the inside" on page 62).

• C

heck the paper type and quality (See "Print

media specifications" on page 89).

• Remove the toner cartridge and then, install

a new one (See "Replacing the toner
cartridge" on page 82).

CONDITION SUGGESTED SOLUTIONS

Page skew

aBb

AaBb

AaBb

• Ensure that the paper is loaded properly.

• Che

ck the paper type and quality (See "Print

media specifications" on page 89).

• Ensure

that the guides are not too tight or too

loose against the paper stack.

AaBb

aBbC

Vertical repetitive
de

fects

Background

tter

sca

Misformed
ch

aracters

If marks repeatedly appear on the printed side of
the page at even intervals:

• T

he toner cartridge may be damaged. If you
still have the same problem, remove the
toner cartridge and, install a new one (See
"Replacing the toner cartridge" on page 82).

• Pa

rts 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.

• T

he fusing assembly may be damaged.

Contact a service representative.

Background scatter results from bits of toner
randomly distributed on the printed page.

• T

he paper may be too damp. Try printing
with a different batch of paper. Do not open
packages of paper until necessary so that
the paper does not absorb too much
moisture.

• If ba

ckground 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 b

ackground scatter covers the entire
surface area of a printed page, adjust the
print resolution through your software
application or in Printing Preferences (See
"Opening printing preferences" on page 44).

If characters are improperly formed and
producing hollow images, the paper stock may
be too slick. Try different paper (See "Print
media specifications" on page 89

).

Curl or wave

Wrinkles or
crea

ses

Back of printouts
are d

irty

• Ensure that the paper is loaded properly.

• Che

ck the paper type and quality. Both high
temperature and humidity can cause paper
curl (See "Print media specifications" on
page 89).

• Tu

rn the stack of paper over in the tray. Also

try rotating the paper 180° in the tray.

• Ensure that the paper is loaded properly.

• Che

ck the paper type and quality (See "Print
media specifications" on page 89).

• Turn the stack of paper over in the tray. Also

try rotating the paper 180° in the tray.

• Check for leaking toner. Clean the inside of

the machine (See "Cleaning the inside" on
page 62).

• Cle

an the fuser belt (See "Cleaning a fuser

belt" on page 62).

• The toner cartridge has reached its estimated

cartridge life.

Solid Color or
Bla

Troubleshooting_ 77

ck pages

• The toner cartridge may not be installed

properly. Remove the cartridge and reinsert it.

• The toner cartridge may be defective.

Remove the toner cartridge and install a new
one (See "Replacing the toner cartridge" on
page 82).

• The machine may require repair. Contact a

service representative.