Troubleshooting

220

Scanner unit does not close

Action

Yes

No

 

 

 

Check if there are no obstructions between the scanner unit and the

The problem is solved.

Contact customer

printer.

 

support.

a

Lift the scanner unit.

 

 

b

Remove any obstruction that keeps the scanner unit open.

 

 

c

Lower the scanner unit.

 

 

Did the scanner unit close properly?

Poor copy quality

 

Action

Yes

No

 

 

 

 

 

Step 1

Clear the error or status

Go to step 2.

 

Check if an error or status message appears on the display.

message.

 

 

Does an error or status message appear?

 

 

 

 

 

 

 

Step 2

Go to step 3.

Increase the scan

 

Check the quality of the original document.

 

resolution setting for a

 

 

 

higherquality output.

 

Is the quality of the original document satisfactory?

 

 

 

 

 

 

 

Step 3

Go to step 4.

See “Cleaning the

 

If dark marks appear on prints, then clean the scanner glass and the ADF

 

scanner glass” on

 

glass using a clean, lint-free cloth dampened with water.

 

page 152.

 

 

 

 

Is the scanner glass clean?

 

 

 

 

 

 

 

Step 4

Go to step 5.

See “Print quality

 

Send a print job, and then check for print quality problems.

 

problems” on

 

a From the General Settings menu, adjust the EcoMode settings.

 

page 201.

 

 

 

 

b From the Copy menu, adjust the Darkness setting.

 

 

 

c If the print remains faded, then replace the toner cartridge.

 

 

 

Is the print quality satisfactory?

 

 

 

 

 

 

 

Step 5

Go to step 6.

Place the document or

 

Check the placement of the document or photo.

 

photo facedown on the

 

Make sure the document or photo is loaded facedown on the scanner

 

scanner glass in the

 

 

upper left corner.

 

glass in the upper left corner.

 

 

 

 

 

Is the document or photo loaded correctly?

 

 

 

 

 

 

Page 220
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Lexmark 279 manual Scanner unit does not close, Poor copy quality, Troubleshooting 220