Lexmark C77x manual Solving copy quality problems, Solving scan quality problems, Troubleshooting

Models: C77x

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Troubleshooting

Solving copy quality problems

The following solutions will help solve copy problems. For additional information, see Copy tips.

Symptom

Solution

Unwanted background is visible.

Adjust the Background Removal setting under Copy Æ Options Æ Advanced

 

Imaging. Touch the right arrow to remove more background.

 

 

Unwanted patterns (Moire)

Change the content mode to Printed Image under Copy Æ Options Æ Content.

appear when a document is

 

copied using Photograph mode.

 

 

 

Vertical or horizontal lines are

Clean the ADF scanner glass and backing material. See Cleaning the scanner glass

noticed on copied pages.

and backing material on page 80.

 

 

Black text is too light or

• Adjust the Darkness setting under the Copy menu. Touch the right arrow to

disappearing.

increase the darkness setting.

 

• Change the content mode to Text under Copy Æ Options Æ Content.

 

• Adjust the Background Removal setting under Copy Æ Options Æ Advanced

 

Imaging. Touch the left arrow to remove less background.

 

• Adjust the Contrast setting under Copy Æ Options Æ Advanced Imaging. Touch

 

the right arrow to add more contrast.

 

• Adjust the Shadow Detail setting under Copy Æ Options Æ Advanced Imaging.

 

Touch the left arrow to decrease shadow detail.

 

 

The copy looks washed out or

• Adjust the Background Removal setting under Copy Æ Options Æ Advanced

overexposed.

Imaging. Touch the left arrow to remove less background.

 

• Adjust the Shadow Detail setting under Copy Æ Options Æ Advanced Imaging.

 

Touch the left arrow to remove more shadow detail.

 

 

Solving scan quality problems

The following solutions will help solve scan problems. For additional information, see Scanning tips.

Symptom

Solution

The file size is too big when I

• Touch Options, then under Resolution, decrease the output resolution.

scan a document to the network.

• Touch Options, then under Content, change the Color option to black and white.

 

• Touch Options, then under Content, change the setting to Text.

 

 

Text characters do not look sharp

• Touch Options, then under Resolution, increase the output resolution.

when I scan a document to the

• Touch Options, then under Content, change the setting to Text.

network.

 

 

 

Black text is too light or

• Adjust the Darkness setting. Touch the right arrow to increase the darkness setting.

disappearing.

• Change the content mode to Text.

 

• Adjust the Background Removal setting under Advanced Imaging. Touch the left

 

arrow to remove less background.

 

• Adjust the Contrast setting under Advanced Imaging. Touch the right arrow to add

 

more contrast.

 

• Adjust the Shadow Detail setting under Advanced Imaging. Touch the left arrow to

 

decrease shadow detail.

 

 

Unwanted background is visible.

Adjust the Background Removal setting under Advanced Imaging. Touch the right

 

arrow to remove more background.

 

 

Solving copy quality problems

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Lexmark C77x manual Solving copy quality problems, Solving scan quality problems, Troubleshooting, Symptom Solution