Problem

 

Cause and solution

Page

 

 

 

Any one of the

See "STATUS INDICATORS" to check the meaning of

 

alarm indicators

the alarm indicator, and take appropriate action.

82

(

,

,

) is

 

 

 

lit or blinking.

 

 

 

 

 

 

 

 

 

 

 

 

 

The document glass or the underside of the document

 

 

 

 

 

cover/SPF is dirty.

71

 

 

 

 

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

 

 

 

 

 

Threshold" setting.

 

 

 

 

 

If you are scanning with a TWAIN-compliant

 

 

 

 

 

application, 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 the threshold

 

 

 

 

 

automatically, click the "Auto Threshold" button on the

 

Poor scanning

"Image" tab of the "Professional" screen.

 

 

 

quality.

 

 

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

 

 

 

 

 

"Colour" tab of the "Professional" 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 or face

 

 

 

 

 

down on the document glass.

26, 27

 

 

 

 

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

 

 

 

 

 

 

 

 

 

the document glass.

 

 

 

 

 

 

 

 

 

 

 

The original was not placed in the correct position.

26, 27

 

 

 

 

Place the original correctly.

 

 

 

 

 

 

 

 

 

 

 

9

78

Page 78
Image 78
Sharp AL2041 Cover/SPF is dirty, Original smudged or blotchy, You have not specified a suitable resolution, Poor scanning