Lexmark MS810de User manual

Print Quality Guide
Characters have jagged or uneven edges
Action Yes No
Step 1
aPrint a font sample list to check if the fonts you are using are supported by
the printer.
1From the printer control panel, navigate to:
Menus > Reports > Print Fonts
2Select PCL Fonts or PostScript Fonts.
bResend the print job.
Are you using fonts that are supported by the printer?
Go to step 2. Select a font that is
supported by the printer.
Step 2
Check if the fonts installed on the computer are supported by the printer.
Are the fonts installed on the computer supported by the printer?
The problem is solved. Contact customer
support.
Clipped pages or images
Leading edge
Trailing edge
ABCDE
ABCDE
ABCDE
Action Yes No
Step 1
aMove the width and length guides in the tray to the correct positions for the
paper loaded.
bResend the print job.
Is the page or image clipped?
Go to step 2. The problem is solved.
Print Quality Guide
Page 1 of 19

Action Yes No
Step 2
From the printer control panel, set the paper size and type in the Paper menu
to match the paper loaded in the tray.
Do the paper size and type match the paper loaded in the tray?
Go to step 3. Do one or more of the
following:
•Specify the paper size
from the tray settings
to match the paper
loaded in the tray.
•Change the paper
loaded in the tray to
match the paper size
specified in the tray
settings.
Step 3
aDepending on your operating system, specify the paper size from Printing
Preferences or from the Print dialog.
bResend the print job.
Is the page or image clipped?
Go to step 4. The problem is solved.
Step 4
aReinstall the imaging unit.
1Remove the toner cartridge.
2Remove the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light may cause
print quality problems.
3Install the imaging unit, and then the cartridge.
bResend the print job.
Is the page or image clipped?
Contact customer
support.
The problem is solved.
Compressed images appear on prints
Action Yes No
aMake sure the size of the paper loaded in the tray matches the fuser type.
Note: To identify the fuser type, view the label on the fuser.
bResend the print job.
Do compressed images still appear?
Contact customer
support at
http://support.lexmark.
com or your service
representative.
The problem is solved.
Print Quality Guide
Page 2 of 19

Gray background on prints
ABCDE
ABCDE
ABCDE
Leading edge
Trailing edge
Action Yes No
Step 1
aFrom the Quality Menu on the printer control panel, decrease the toner
darkness.
Note: 8 is the factory default setting.
bResend the print job.
Did the gray background disappear from the prints?
The problem is solved. Go to step 2.
Step 2
Reinstall the imaging unit and the toner cartridge.
aRemove the toner cartridge.
bRemove the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light can cause print
quality problems.
cInstall the imaging unit, and then the cartridge.
dResend the print job.
Did the gray background disappear from the prints?
The problem is solved. Go to step 3.
Step 3
Replace the imaging unit, and then resend the print job.
Did the gray background disappear from the prints?
The problem is solved. Contact customer
support.
Horizontal voids appear on prints
Leading edge
Trailing edge
Print Quality Guide
Page 3 of 19

Action Yes No
Step 1
aMake sure your software program is using a correct fill pattern.
bResend the print job.
Do horizontal voids appear on prints?
Go to step 2. The problem is solved.
Step 2
aLoad the specified tray or feeder with a recommended type of paper.
bResend the print job.
Do horizontal voids appear on prints?
Go to step 3. The problem is solved.
Step 3
aRedistribute the toner in the imaging unit.
1Remove the toner cartridge, and then the imaging unit.
2Firmly shake the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light may cause
print quality problems.
3Reinstall the imaging unit, and then the cartridge.
bResend the print job.
Do horizontal voids appear on prints?
Go to step 4. The problem is solved.
Step 4
Replace the imaging unit, and then resend the print job.
Do horizontal voids appear on prints?
Contact customer
support.
The problem is solved.
Incorrect margins on prints
ABC
DEF
ABC
DEF
Action Yes No
Step 1
aMove the width and length guides in the tray to the correct positions for the
paper size loaded.
bResend the print job.
Are the margins correct?
The problem is solved. Go to step 2.
Print Quality Guide
Page 4 of 19

Action Yes No
Step 2
From the printer control panel, set the paper size in the Paper menu to match
the paper loaded in the tray.
Does the paper size match the paper loaded in the tray?
Go to step 3. Do one or more of the
following:
•Specify the paper size
from the tray settings
to match the paper
loaded in the tray.
•Change the paper
loaded in the tray to
match the paper size
specified in the tray
settings.
Step 3
aDepending on your operating system, specify the paper size from Printing
Preferences or from the Print dialog.
bResend the print job.
Are the margins correct?
The problem is solved. Contact customer
support.
Paper curl
Action Yes No
Step 1
Move the width and length guides in the tray to the correct positions for the
size of the paper loaded.
Are the width and length guides positioned correctly?
Go to step 2. Adjust the width and
length guides.
Step 2
From the printer control panel, set the paper type and weight in the Paper menu
to match the paper loaded in the tray.
Do the paper type and weight match the type and weight of the paper in the
tray?
Go to step 3. Specify the paper type
and weight from the tray
settings to match the
paper loaded in the tray.
Step 3
aDepending on your operating system, specify the paper type and weight
from Printing Preferences or from the Print dialog.
bResend the print job.
Is the paper still curled?
Go to step 4. The problem is solved.
Step 4
aRemove the paper from the tray, and then turn it over.
bResend the print job.
Is the paper still curled?
Go to step 5. The problem is solved.
Print Quality Guide
Page 5 of 19

Action Yes No
Step 5
aLoad paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store paper in its
original wrapper until you use it.
bResend the print job.
Is the paper still curled?
Contact customer
support.
The problem is solved.
Print irregularities
) )
ABCDE
ABCDE
ABCDE
Leading edge
Trailing edge
Action Yes No
Step 1
aMove the width and length guides in the tray to the correct positions for the
size of the paper loaded in the tray.
bResend the print job.
Do print irregularities still appear?
Go to step 2. The problem is solved.
Step 2
From the printer control panel, set the paper size and type in the Paper menu
to match the paper loaded in the tray.
Do the printer settings match the type and weight of the paper loaded in the
tray?
Go to step 3. Specify the paper size
and type from the tray
settings to match the
paper loaded in the tray.
Step 3
aDepending on your operating system, specify the paper type and weight
from Printing Preferences or from the Print dialog.
bResend the print job.
Do print irregularities still appear?
Go to step 4. The problem is solved.
Step 4
Check if the paper loaded in the tray has texture or rough finishes.
Are you printing on textured or rough paper?
From the printer control
panel, set the paper
texture in the Paper
menu to match the paper
loaded in the tray.
Go to step 5.
Print Quality Guide
Page 6 of 19

Action Yes No
Step 5
aLoad paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store paper in its
original wrapper until you use it.
bResend the print job.
Do print irregularities still appear?
Go to step 6. The problem is solved.
Step 6
Replace the imaging unit, and then resend the print job.
Do print irregularities still appear?
Contact customer
support at
http://support.lexmark.
com or your service
representative.
The problem is solved.
Print is too dark
ABC
DEF
ABC
DEF
Action Yes No
Step 1
aFrom the Quality menu on the printer control panel, reduce the toner
darkness.
Note: 8 is the factory default setting.
bResend the print job.
Is the print still too dark?
Go to step 2. The problem is solved.
Step 2
aFrom the printer control panel, set the paper type, texture and weight in the
Paper menu to match the paper loaded in the tray.
bResend the print job.
Is the tray set to the type, texture, and weight of the paper loaded?
Go to step 3. Do one or more of the
following:
•Specify the paper
type, texture, and
weight from the tray
settings to match the
paper loaded in the
tray.
•Change the paper
loaded in the tray to
match the paper
type, texture and
weight specified in
the tray settings.
Print Quality Guide
Page 7 of 19

Action Yes No
Step 3
aDepending on your operating system, specify the paper type, texture and
weight from Printing Preferences or from the Print dialog.
bResend the print job.
Is the print still too dark?
Go to step 4. The problem is solved.
Step 4
Check if the paper loaded in the tray has texture or rough finishes.
Are you printing on textured or rough paper?
From the printer control
panel, change the
texture settings in the
Paper Texture menu to
match the paper you are
printing on.
Go to step 5.
Step 5
aLoad paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store paper in its
original wrapper until you use it.
bResend the print job.
Is the print still too dark?
Go to step 6. The problem is solved.
Step 6
Replace the imaging unit, and then resend the print job.
Is the print still too dark?
Contact customer
support.
The problem is solved.
Print is too light
ABC
DEF
Action Yes No
Step 1
aFrom the Quality menu on the printer control panel, increase the toner
darkness.
Note: 8 is the factory default setting.
bResend the print job.
Is the print still too light?
Go to step 2. The problem is solved.
Print Quality Guide
Page 8 of 19

Action Yes No
Step 2
From the printer control panel, set the paper type, texture, and weight in the
Paper menu to match the paper loaded in the tray.
Is the tray set to the type, texture, and weight of the paper loaded?
Go to step 3. Change the paper type,
texture, and weight to
match the paper loaded
in the tray.
Step 3
aDepending on your operating system, specify the paper type, texture, and
weight from Printing Preferences or from the Print dialog.
bResend the print job.
Is the print still too light?
Go to step 4. The problem is solved.
Step 4
Make sure that the paper has no texture or rough finishes.
Are you printing on textured or rough paper?
From the printer control
panel, change the
texture settings in the
Paper Texture menu to
match the paper you are
printing on.
Go to step 5.
Step 5
aLoad paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store paper in its
original wrapper until you use it.
bResend the print job.
Is the print still too light?
Go to step 6. The problem is solved.
Step 6
aRedistribute the toner in the imaging unit.
1Remove the toner cartridge, and then the imaging unit.
2Firmly shake the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light may cause
print quality problems.
3Install the imaging unit, and then the cartridge.
bResend the print job.
Is the print still too light?
Go to step 7. The problem is solved.
Step 7
Replace the imaging unit, and then resend the print job.
Is the print still too light?
Contact customer
support.
The problem is solved.
Print Quality Guide
Page 9 of 19

Printer is printing blank pages
Action Yes No
Step 1
aCheck if there is packing material left on the imaging unit.
1Remove the toner cartridge, and then the imaging unit.
2Check if the packing material is properly removed from the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light may cause
print quality problems.
3Reinstall the imaging unit, and then the cartridge.
bResend the print job.
Is the printer still printing blank pages?
Go to step 2. The problem is solved.
Step 2
aRedistribute the toner in the imaging unit.
1Remove the toner cartridge, and then the imaging unit.
2Firmly shake the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light may cause
print quality problems.
3Reinstall the imaging unit, and then the cartridge.
bResend the print job.
Is the printer still printing blank pages?
Go to step 3. The problem is solved.
Step 3
Replace the imaging unit, and then resend the print job.
Is the printer still printing blank pages?
Contact customer
support.
The problem is solved.
Print Quality Guide
Page 10 of 19

Printer is printing solid black pages
Action Yes No
Step 1
aReinstall the imaging unit.
1Remove the toner cartridge, and then the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light may cause
print quality problems.
2Install the imaging unit, and then the cartridge.
bResend the print job.
Is the printer printing solid black pages?
Go to step 2. The problem is solved.
Step 2
Replace the imaging unit, and then resend the print job.
Is the printer printing solid black pages?
Contact customer
support.
The problem is solved.
Repeating defects appear on prints
))
)
))
)
Action Yes No
Step 1
aReplace the imaging unit if the distance between the defects is equal to any
of the following:
•47.8 mm (1.88 in.)
•96.8 mm (3.81 in.)
•28.5 mm (1.12 in.)
bResend the print job.
Do repeating defects still appear on prints?
Go to step 2. The problem is solved.
Print Quality Guide
Page 11 of 19

Action Yes No
Step 2
aReplace the fuser if the distance between the defects is equal to either of
the following:
•94.25 mm (3.71 in.)
•95.2 mm (3.75 in.)
bResend the print job.
Do repeating defects still appear on prints?
Contact customer
support.
The problem is solved.
Shadow images appear on prints
ABCD
ABCD
ABCD
ABCD
Leading edge
Trailing edge
Action Yes No
Step 1
Load paper with the correct paper type and weight in the tray.
Is paper with the correct paper type and weight loaded in the tray?
Go to step 2. Load paper with the
correct paper type and
weight in the tray.
Step 2
From the printer control panel, set the paper type and weight in the Paper menu
to match the paper loaded in the tray.
Is the tray set to the type and weight of the paper loaded?
Go to step 3. Change the paper loaded
in the tray to match the
paper type and weight
specified in the tray
settings.
Step 3
aDepending on your operating system, specify the paper type and weight
from Printing Preferences or from the Print dialog.
bResend the print job.
Do shadow images still appear on prints?
Go to step 4. The problem is solved.
Step 4
Replace the imaging unit, and then resend the print job.
Do shadow images still appear on prints?
Contact customer
support.
The problem is solved.
Print Quality Guide
Page 12 of 19

Skewed print
) )
ABCDE
ABCDE
ABCDE
Action Yes No
Step 1
aMove the width and length guides in the tray to the correct positions for the
size of the paper loaded.
bResend the print job.
Is the print still skewed?
Go to step 2. The problem is solved.
Step 2
aCheck if you are printing on a paper that is supported by the tray.
bResend the print job.
Is the print still skewed?
Contact customer
support.
The problem is solved.
Streaked horizontal lines appear on prints
ABCDE
ABCDE
ABCDE
Action Yes No
Step 1
aDepending on your operating system, specify the tray or feeder from Printing
Preferences or the Print dialog.
bResend the print job.
Do streaked horizontal lines appear on prints?
Go to step 2. The problem is solved.
Step 2
From the printer control panel, set the paper type and weight in the Paper menu
to match the paper loaded in the tray.
Do the paper type and weight match the type and weight of the paper in the
tray?
Go to step 3. Change the paper type
and weight to match the
paper loaded in the tray.
Print Quality Guide
Page 13 of 19

Action Yes No
Step 3
aLoad paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store paper in its
original wrapper until you use it.
bResend the print job.
Do streaked horizontal lines appear on prints?
Go to step 4. The problem is solved.
Step 4
aReinstall the imaging unit.
1Remove the toner cartridge, and then the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light may cause
print quality problems.
2Install the imaging unit, and then the cartridge.
bResend the print job.
Do streaked horizontal lines appear on prints?
Go to step 5. The problem is solved.
Step 5
Replace the imaging unit, and then resend the print job.
Do streaked horizontal lines appear on prints?
Contact customer
support.
The problem is solved.
Streaked vertical lines appear on prints
ABCDE
ABCDE
ABCDE
Leading edge
Trailing edge
Action Yes No
Step 1
aDepending on your operating system, specify the paper type, texture, and
weight from Printing Preferences or from the Print dialog.
bResend the print job.
Do streaked vertical lines appear on prints?
Go to step 2. The problem is solved.
Print Quality Guide
Page 14 of 19

Action Yes No
Step 2
From the printer control panel, set the paper texture, type, and weight in the
Paper menu to match the paper loaded in the tray.
Do the paper texture, type, and weight match the paper in the tray?
Go to step 3. Do one or more of the
following:
•Specify the paper
texture, type, and
weight from the tray
settings to match the
paper loaded in the
tray.
•Change the paper
loaded in the tray to
match the paper
texture, type, and
weight specified in
the tray settings.
Step 3
aLoad paper from a fresh package.
Note: Paper absorbs moisture due to high humidity. Store paper in its
original wrapper until you use it.
bResend the print job.
Do streaked vertical lines appear on prints?
Go to step 4. The problem is solved.
Step 4
aReinstall the imaging unit.
1Remove the toner cartridge, and then the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light may cause
print quality problems.
2Install the imaging unit, and then the cartridge.
bResend the print job.
Do streaked vertical lines appear on prints?
Go to step 5. The problem is solved.
Step 5
Replace the imaging unit, and then resend the print job.
Do streaked vertical lines appear on prints?
Contact customer
support at
http://support.lexmark.
com or your service
representative.
The problem is solved.
Toner fog or background shading appears on prints
ABCDE
ABCDE
ABCDE
Print Quality Guide
Page 15 of 19

Action Yes No
Step 1
aReinstall the imaging unit.
1Remove the toner cartridge, and then the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light may cause
print quality problems.
2Install the imaging unit, and then the cartridge.
bResend the print job.
Did the toner fog or background shading disappear from the prints?
The problem is solved. Go to step 2.
Step 2
Replace the imaging unit, and then resend the print job.
Did the toner fog or background shading disappear from the prints?
The problem is solved. Contact customer
support.
Toner rubs off
Leading edge
Trailing edge
ABC
DEF
Action Yes No
Step 1
From the Paper menu on the printer control panel, check the paper type and
weight.
Do the paper type and weight match the paper loaded in the tray?
Go to step 2. Specify the paper type
and weight from the tray
settings to match the
paper loaded in the tray.
Step 2
Check if you are printing on paper with texture or rough finishes.
Are you printing on textured or rough paper?
From the Paper menu on
the printer control panel,
set the paper texture.
Go to step 3.
Step 3
aFrom the Paper Weight menu on the printer control panel, set Heavy Weight
to Heavy.
bResend the print job.
Does the toner rub off?
Go to step 4. The problem is solved.
Print Quality Guide
Page 16 of 19

Action Yes No
Step 4
aEnable Quiet mode.
From the printer control panel, navigate to:
Settings > General Settings > Quiet Mode > On
bResend the print job.
Does the toner rub off?
Contact customer
support.
The problem is solved.
Toner specks appear on prints
Action Yes No
Replace the imaging unit, and then resend the print job.
Do toner specks appear on prints?
Contact customer
support.
The problem is solved.
Transparency print quality is poor
Action Yes No
Step 1
From the printer control panel, set the paper type in the Paper menu to match
the paper loaded in the tray.
Is the paper type for the tray set to Transparency?
Go to step 2. Set the paper type to
Transparency.
Step 2
aCheck if you are using a recommended type of transparency.
bResend the print job.
Is the print quality still poor?
Contact customer
support.
The problem is solved.
Uneven print density
Print Quality Guide
Page 17 of 19

Action Yes No
Replace the imaging unit, and then resend the print job.
Is the print density uneven?
Contact customer
support.
The problem is solved.
Vertical voids appear on prints
Leading edge
Trailing edge
Action Yes No
Step 1
aMake sure your software program is using a correct fill pattern.
bResend the print job.
Do vertical voids appear on prints?
Go to step 2. The problem is solved.
Step 2
aFrom the printer control panel, set the paper type and weight in the Paper
menu to match the paper loaded in the tray.
bResend the print job.
Do vertical voids appear on prints?
Go to step 3. The problem is solved.
Step 3
Check if you are using a recommended type of paper.
aLoad the specified tray or feeder with a recommended type of paper.
bResend the print job.
Do vertical voids appear on prints?
Go to step 4. The problem is solved.
Step 4
aRedistribute the toner in the imaging unit.
1Remove the toner cartridge, and then the imaging unit.
2Firmly shake the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct
light for more than 10 minutes. Extended exposure to light may cause
print quality problems.
3Reinstall the imaging unit, and then the cartridge.
bResend the print job.
Do vertical voids appear on prints?
Go to step 5. The problem is solved.
Print Quality Guide
Page 18 of 19

Action Yes No
Step 5
Replace the imaging unit, and then resend the print job.
Do vertical voids appear on prints?
Contact customer
support.
The problem is solved.
Contacting customer support
When you contact customer support, you will need to be able to describe the problem you are experiencing, the message on
the printer display, and the troubleshooting steps you have already taken to find a solution.
You need to know your printer model type and serial number. For more information, see the label at the back of the printer. The
serial number is also listed on the menu settings page.
Lexmark has various ways to help you solve your printing problem. Visit the Lexmark Web site at http://support.lexmark.com,
and then select one of the following:
Tech Library You can browse our library of manuals, support documentation, drivers, and other downloads to help you solve common
problems.
E-mail You can send an e-mail to the Lexmark team, describing your problem. A service representative will respond and provide
you with information to solve your problem.
Live chat You can chat directly with a service representative. They can work with you to solve your printer problem or provide
assistance through Assisted Service where the service representative can remotely connect to your computer through
the Internet to troubleshoot problems, install updates, or complete other tasks to help you successfully use your Lexmark
product.
Telephone support is also available. In the U.S. or Canada, call 1-800-539-6275. For other countries or regions, visit
http://support.lexmark.com.
Print Quality Guide
Page 19 of 19