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(1)

Paper handling

Maintenance

Troubleshooting

Administration

Index

item that has reached the end of its intended life. Check the operator panel for a message

about a printer consumable. See

Determining the status of supplies

for information about

other ways to identify consumables that need to be replaced.

Use the following table to find solutions to any print quality problems you have detected.

Symptom Cause Solution

Blank pages The printer was priming the stapler.

If you primed the stapler, a blank sheet of paper prints.

SeePriming the stapler. The print cartridge is

defective or empty.

Replace the print cartridge.

SeeReplacing the print cartridge. The transfer roller is

defective.

Replace the transfer roller. SeeReplacing the items in the maintenance kit.

(2)

Paper handling

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www.lexmark.com

Lexmark W820

Black pages The print cartridge is defective.

Replace the print cartridge.

SeeReplacing the print cartridge. Your printer requires

servicing.

Call for service.

(3)

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Print too light The Toner Darkness setting is too light.

Select a different Toner Darkness setting from the printer driver before sending the job to print.

You are using print media that does not meet the printer specifications.

• Use recommended paper and other print media. Refer to the Card Stock & Label Guide available on Lexmark’s Web site at www.lexmark.com for detailed specifications.

• Load print media from a new package.

• Avoid textured paper with rough finishes.

• Make sure the paper you load in the trays is not damp.

(4)

Paper handling

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www.lexmark.com

Lexmark W820

Print too light The print cartridge is low on toner.

Replace the print cartridge. See

Replacing the print cartridge. The print cartridge is

defective or has been installed in more than one printer.

Replace the print cartridge.

SeeReplacing the print cartridge.

(5)

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Print too dark The Toner Darkness setting is too dark.

Select a different Toner Darkness setting from the printer driver before sending the job to print.

The print cartridge is defective or has been installed in more than one printer.

Replace the print cartridge.

SeeReplacing the print cartridge.

Gray background The Toner Darkness setting is too dark.

Select a different Toner Darkness setting from the printer driver before sending the job to print.

The print cartridge is defective.

Replace the print cartridge.

SeeReplacing the print cartridge.

(6)

Paper handling

Maintenance

Troubleshooting

Administration

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www.lexmark.com

Lexmark W820

Uneven print density The print cartridge is defective.

Replace the print cartridge.

SeeReplacing the print cartridge. The transfer roller is worn

or defective.

Replace the transfer roller. SeeReplacing the items in the maintenance kit.

(7)

Paper handling

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Troubleshooting

Administration

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Print irregularities The paper has absorbed moisture due to high humidity.

Load paper from a fresh package in the paper tray.

For information on storing paper, see

Storing print media. You are using print media

that does not meet the printer specifications.

Use recommended paper and other print media. Avoid textured paper with rough finishes.

Refer to theCard Stock & Label Guide available on Lexmark’s Web site at www.lexmark.com for detailed specifications.

The transfer roller is worn or defective.

Replace the transfer roller. SeeReplacing the items in the maintenance kit.

The fuser is worn or defective.

Replace the fuser.

SeeReplacing the items in the maintenance kit.

(8)

Paper handling

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www.lexmark.com

Lexmark W820

White or black line The print cartridge or fuser is defective.

Replace the print cartridge.

SeeReplacing the print cartridge. Replace the fuser.

SeeReplacing the items in the maintenance kit.

(9)

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Streaked horizontal lines

The print cartridge, transfer roller, or fuser may be defective, empty, or worn.

Replace the printer cartridge, the transfer roller, or fuser as needed. SeeReplacing the print cartridge,

Replacing the transfer roller, and

Replacing the fuserfor more information.

(10)

Paper handling

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www.lexmark.com

Lexmark W820

Streaked vertical lines Toner is smeared before fusing to the paper.

If print media is stiff, try feeding from another tray.

(11)

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Toner specks The print cartridge is defective.

Replace the print cartridge.

SeeReplacing the print cartridge. The transfer roller is worn

or defective.

Replace the transfer roller. SeeReplacing the items in the maintenance kit.

The fuser is worn or defective.

Replace the fuser.

SeeReplacing the items in the maintenance kit.

The paper pick rollers are dirty.

Replace the pick rollers.

SeeReplacing the items in the maintenance kit.

Toner is in the paper path. Call for service. The two removable screws

on the fuser were not removed.

Remove the screws. SeeReplacing the fuser.

(12)

Paper handling

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www.lexmark.com

Lexmark W820

Skewed print The guides in the selected tray are not in the correct position for the print media size loaded in the tray.

Move the guides in the tray to the proper positions for the size loaded. SeeLoading the traysfor detailed instructions on adjusting the guides in each tray.

The paper pick rollers are dirty or worn.

Replace the pick rollers.

SeeReplacing the items in the maintenance kit.

Incorrect margins The guides in the selected tray are set for a different size print media than what is loaded in the tray.

Move the guides in the tray to the proper positions for the size loaded. SeeLoading the traysfor detailed instructions on adjusting the guides in each tray.

Auto size sensing is set off, but you loaded a different size print media in a tray. For example, you inserted A4 size paper into the selected tray but did not set the Paper Size to A4.

Set the Paper Size to A4.

(13)

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Incorrect margins (continued)

The paper pick rollers are worn.

Replace the pick rollers.

SeeReplacing the items in the maintenance kit.

Clipped images The guides in the selected tray are set for a different size print media than what is loaded in the tray.

Move the guides in the tray to the proper positions for the size loaded. SeeLoading the traysfor detailed instructions on adjusting the guides in each tray.

(14)

Paper handling

Maintenance

Troubleshooting

Administration

Index

www.lexmark.com

Lexmark W820

Ghost images Low toner level in the print cartridge.

Make sure the Paper Type setting is correct for the print media you are using.

Replace the print cartridge.

SeeReplacing the print cartridge.

The print media curls badly once it prints and exits to a bin.

The texture setting is wrong for the type of print media you are using.

ChangePaper Texturefrom Rough to Normal or Smooth.

References

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