Epson AcuLaser CX11NF Basics - Page 107

Problem, Solution, Clear Unsharp Mask Filter - problems

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Problem Solution The image is • Make sure the document is flat against the document table. distorted or blurred • Do not move the document while scanning. • Change the Display Gamma setting for your output device, such as a monitor or the CX11N, in the Configuration window. • Select Unsharp Mask Filter in Professional Mode. • Select Color Control and check Continuous auto exposure in the Configuration window, or click the Auto Exposure button in the Professional Mode. • Change the Resolution setting for your scan. Colors are patchy or distorted at the edges of the image • If your original is very thick or warped at the edges, cover the edges with paper to block external light. • Adjust the Gamma setting in the Histogram Adjustment window in Professional Mode. The image is too dark • Check the Brightness setting using the Image Adjustment window in Home Mode, or the Histogram Adjustment window and the Image Adjustment window in Professional Mode. • Check the brightness and contrast settings of your monitor. • Select Color Control and check Continuous auto exposure in the Configuration window, or click the Auto Exposure button in Professional Mode. • Change the Display Gamma setting for your output device, such as a monitor or CX11N, in the Configuration window. • Change the Destination setting in Home Mode or Professional Mode. Moiré (crosshatch) When you scan printed materials, interference can occur due to patterns appear in the the difference between the pitches of the scanning and the scanned image halftone screens. Try one or more of the following solutions: • Select the Descreening Filter in Home or Professional Mode. • In Professional Mode, set the Screen Ruling of the Descreening Filter setting to an appropriate setting for your document. • Deselect Clear Unsharp Mask Filter in Professional Mode. • Place a transparent sheet, such as an overhead projector sheet, between your original and the document table. • Reposition your original slightly. • Make the image size slightly smaller. Scanning Problems 107

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Scanning Problems
107
The image is
distorted or blurred
•
Make sure the document is flat against the document table.
•
Do not move the document while scanning.
•
Change the
Display Gamma
setting for your output device,
such as a monitor or the CX11N, in the Configuration window.
• Select
Unsharp Mask Filter
in Professional Mode.
• Select
Color Control
and check
Continuous auto exposure
in
the Configuration window, or click the
Auto Exposure
button
in the Professional Mode.
•
Change the Resolution setting for your scan.
Colors are patchy or
distorted at the
edges of the image
•
If your original is very thick or warped at the edges, cover the
edges with paper to block external light.
•
Adjust the
Gamma
setting in the Histogram Adjustment
window in Professional Mode.
The image is too dark
•
Check the
Brightness
setting using the Image Adjustment
window in Home Mode, or the Histogram Adjustment window
and the Image Adjustment window in Professional Mode.
•
Check the brightness and contrast settings of your monitor.
• Select
Color Control
and check
Continuous auto exposure
in
the Configuration window, or click the
Auto Exposure
button
in Professional Mode.
•
Change the
Display Gamma
setting for your output device,
such as a monitor or CX11N, in the Configuration window.
•
Change the
Destination
setting in Home Mode or Professional
Mode.
Moiré (crosshatch)
patterns appear in the
scanned image
When you scan printed materials, interference can occur due to
the difference between the pitches of the scanning and the
halftone screens.
Try one or more of the following solutions:
•
Select the
Descreening Filter
in Home or Professional Mode.
•
In Professional Mode, set the
Screen Ruling
of the
Descreening Filter
setting to an appropriate setting for your
document.
• Deselect
Clear Unsharp Mask Filter
in Professional Mode.
•
Place a transparent sheet, such as an overhead projector
sheet, between your original and the document table.
•
Reposition your original slightly.
•
Make the image size slightly smaller.
Problem
Solution