TROUBLESHOOTING

Problem

Cause and solution

Page

 

 

 

 

The document glass or the underside of the document

 

 

cover/SPF/RSPF is dirty.

72

 

→ Clean regularly.

 

 

 

 

 

Original smudged or blotchy.

–

 

→ Use a clean original.

 

 

 

 

 

 

You have not specified a suitable resolution.

–

 

→ Make sure that the resolution setting in the scanner driver is

 

appropriate for the original.

 

 

 

 

 

You are scanning a large area (for example an entire 11" x

 

 

17") at high resolution.

 

 

→ If you attempt to scan a large area at high resolution and there is

 

 

insufficient memory in the machine to hold the scanned data,

–

 

scanning will take place at a lower resolution and the scanner

 

driver will enhance the data to make up for the lower resolution.

 

 

However, the quality of the enhanced image will not be as high as

 

 

if scanning took place at the higher resolution. Use a lower

 

 

resolution setting, or scan a smaller area.

 

 

 

 

 

You have not specified a suitable value for the "B/W

 

 

Threshold" setting.

 

 

→ If you are scanning with a TWAIN-compliant application and are

 

 

using "White", "Red", "Green" or "Blue" mode from "Light Source"

–

 

menu, make sure that a suitable value is specified for the "B/W

 

Threshold" setting. A larger threshold value makes your output

 

 

darker, while a small threshold value makes it lighter. To adjust

 

Poor scanning quality.

the threshold automatically, click the "Auto Threshold" button on

 

the "Image" tab of the "Custom Settings" screen.

 

 

 

The brightness and contrast settings are not suitable.

→If you are scanning with a TWAIN-compliant application and the resulting image has unsuitable brightness or contrast (for example it is too bright), click the "Auto Brightness/Contrast Adjustment" button on the "Color" tab of the "Custom Settings"

 

screen. Click the "Brightness/Contrast" button to adjust the

–

 

brightness and the contrast while viewing the scanned output

 

 

 

image on the screen. If you are scanning with a WIA-compliant

 

 

application or the "Scanner and Camera Wizard", click "Adjust

 

 

the quality of the scanned picture" or the "Custom settings"

 

 

button, and adjust the brightness and contrast in the screen that

 

 

appears.

 

 

 

The original is not placed face up in the SPF/RSPF or face

 

down on the original table.

18, 19

→

Place the original face up in the SPF/RSPF or face down on the

 

 

original table.

 

 

 

The original was not placed in the correct position.

18, 19

→

Place the original correctly.

 

 

 

"Quick Scan" has been selected.

 

→ If scanning is performed when the "Quick Scan" option has been

 

 

selected, image quality may be degraded. This is because the

–

 

scanned data is transferred using JPEG compression. If image

 

 

 

quality is poor, then perform scanning again without selecting the

 

 

"Quick Scan" option. ("Quick Scan" is not selected by default.)

 

6

59

Page 60 Page 62
Page 61
Image 61
Sharp AR-M160, AR-M205 You have not specified a suitable resolution, Poor scanning quality, Quick Scan has been selected
Page 60 Page 62

AR-M205, AR-M160 specifications

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