Sharp AL-1456 (serv.man20) User Manual / Operation Manual ▷ View online
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CONTENTS
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If you get poor quality as a result of scanning a job, and you cannot improve the quality by changing preferences, refer
to the check list shown below.
to the check list shown below.
CHECK1
Is the original clean?
Check your original before scanning. If any dust
sticks to the original, you cannot obtain a clean
result. In addition, make sure that the original table
is also clean.
CHECK2
Have you specified a suitable resolution?
Make sure that the value for the "Resolution" setting
in the scanner driver satisfies the requirement of the
set original.
Reference:
Scanning an Image from a TWAIN-
Compliant Application
,
Scanning an Image from a WIA-Compliant
Application (Windows XP)
,
Scanning an Image from the "Scanner and
Camera Wizard" (Windows XP),
CHECK3
Have you specified a suitable value for the "B/
W Threshold" setting?
W Threshold" setting?
If you are scanning with a TWAIN-compliant
application and are using "Mono 2 gradation (no
Green)","Mono 2 gradation (no Red)" or "Mono 2
gradation (no Blue)" mode, make sure that a
suitable value is specified for the "B/W Threshold"
setting. A larger threshold value makes your output
darker, whilst a small threshold value makes it
lighter. To adjust the threshold automatically, click
the "Auto Threshold" button on the "Image" tab of
the "Custom Settings" screen.
Reference:
Scanning an Image from a TWAIN-
Compliant Application
CHECK4
Have you adjusted the brightness and
contrast suitably?
contrast suitably?
If you are scanning with a TWAIN-compliant
application and the resulting image has unsuitable
brightness or contrast (for example it is too bright),
activate the "Auto Brightness/Contrast Adjustment"
setting on the "Main" tab of the
"Custom Settings"
screen
. Click the
"Brightness/Contrast" button
to
adjust the brightness and the contrast 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.
If part of the image from the back side of the original
appears in the preview scan.
If you are using a TWAIN-compliant application and
the back side of the original appears faintly in the
preview image, try adjusting the Brightness and
Contrast settings.
Click the
"Brightness/Contrast" button
in the
Preview screen to change to the Brightness/
Contrast screen, and adjust the "Brightness" and
"Contrast" values. A preview of the image using the
new values appears under "After". When the image
of the back side disappears and you can get only
the needed image, click the "Apply" button to apply
the new setings, and then click the "Scanning"
button to scan the image.
Poor Scanning Result
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If the scanned image is incorrectly positioned, refer to the check list shown below.
CHECK1
Have you placed the original straight?
Place the original straight on the original table.
Reference:
Refer to "ORIGINAL PLACEMENT" in the
Operation Manual for the detail on how to
set the original.
CHECK2
Have you set the original correctly on the
original table?
original table?
Place the original on the original table in the
direction as shown in the illustration below.
CHECK3
Have you set the original correctly on the
SPF/RSPF?
SPF/RSPF?
To scan from the SPF/RSPF, align the guide to the
original as shown in the illustration below.
Align the center of the original with ( ) mark.
Align the guide to the original.
The Scanned Image is Incorrectly Positioned
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If you cannot scan the image, turn off your computer. Press the power switch on the unit to turn it off, unplug the unit from the power
source, and then plug it back in. Restart your computer. Try scanning again. If scanning is still not possible, refer to the check list below.
source, and then plug it back in. Restart your computer. Try scanning again. If scanning is still not possible, refer to the check list below.
CHECK1
Is your application compliant to TWAIN?
If you are using Windows 98/Me/2000 and your application
is not TWAIN compliant, the application cannot acquire
images. Use an application that is TWAIN compliant, such
as the included Sharpdesk.
CHECK2
Have you selected the scanner driver of this
unit on your application?
Make sure that the "SHARP Personal MFP series" or "WIA-
SHARP AL-XXXX" is selected on your application.
Reference:
Scanning an Image from a TWAIN-
Compliant Application
CHECK3
Have you specified all scanning preferences
appropriately?
Setting a large area with full color together with a high
resolution setting, makes the data size large, resulting in
extended scanning times. It is recommended to set the
scanning preferences depending on the type of original to
be scanned, i.e., Text, Text/Graphics, Photograph, Color,
Black & White.
CHECK4
Is there enough computer memory?
Your computer may not have enough available memory to hold
the document you want to scan. Lower the scan resolution.
CHECK5
Has the specified period of program timeout
already elapsed?
Neither printing nor scanning jobs can be sent to the unit
from your computer during the specified period of program
timeout after copying.
To send a printing or scanning job immediately, press the
clear
(
)
key
on the unit twice to clear all the settings for
the unit.
Reference:
For more detail, refer to "USER
PROGRAMS" in the Operation Manual.
CHECK6
Are you trying to scan multiple originals in the
SPF/RSPF at once?
When multiple originals are loaded in the SPF/RSPF, it
depends on your application whether only one original can
be scanned in a single operation, or whether multiple
originals can be scanned. Check which is possible in your
application. (Sharpdesk allows multiple originals to be
scanned in a single operation.)
CHECK7
Does your computer's operating system
support the scanner driver?
The operating systems that support the unit's scanner driver
are Windows 98/Me/2000/XP.
CHECK8
Are you using an appropriate interface?
Only the USB interface can be used for the unit's scanning
function. Make sure the unit is connected to your computer
with a USB cable. If the unit was connected to your
computer with a parallel cable when you installed the
SHARP Personal MFP series software, uninstall the
SHARP Personal MFP Series software. Refer to
"INSTALLING THE SOFTWARE" in the Operation Manual
for the order of installation of the SHARP Personal MFP
series software and connection of the USB cable, and
reinstall the SHARP Personal MFP series software.
Reference:
Uninstalling SHARP Personal MFP Series
Software
CHECK9
Have the scanner driver and Button Manager
been installed properly?
If normal scanning still cannot be performed even after
confirming the items on the above check list, delete SHARP
Personal MFP series software and then reinstall it.
Reference:
Uninstalling SHARP Personal MFP Series
Software
Unable to Scan the Image
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If printing or scanning is not possible, or Button Manager does not function correctly, check the items in "
Nothing Prints
"
or "
Unable to Scan the Image
". If you still cannot solve the problem, follow the steps below to uninstall SHARP
MPersonal MFP series software (MFP driver (printer driver/scanner driver), Button Manager), and then reinstall it.
1
Click the "start" button, and then click "Control
Panel".
On Windows 95/98/Me/NT 4.0/2000, click the "Start"
On Windows 95/98/Me/NT 4.0/2000, click the "Start"
button, select "Settings", and then click "Control Panel".
2
Click "Add or Remove Programs".
On Windows 95/98/Me/NT 4.0/2000, double-click the
On Windows 95/98/Me/NT 4.0/2000, double-click the
"Add/Remove Programs" icon.
The following dialog box will open.
Delete the "SHARP MFP driver" and the "SHARP Button
Manager" from the list of applications. For more
information, refer to your operating manual or to the help
files for your operating system.
3
Restart your computer.
The deletion of the MFP driver and Button Manager is
The deletion of the MFP driver and Button Manager is
completed when you restart your computer. If you wish to
reinstall, follow the instructions in "INSTALLING THE
SOFTWARE" in the Operation Manual.
Caution
Before uninstalling SHARP Personal MFP series software, close all applications.
Uninstalling SHARP Personal MFP Series
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