Lexmark MS810 Series 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

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

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

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

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

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

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

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

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