Canon CanoScan N1240U User Manual page 85

chapter 8
Troubleshooting
Contents
Troubleshooting
Glossary
Index
Some buttons are grayed-out.
Problem: Some buttons are grayed-out and not available.
Cause: Some functions are not available until an image has been
previewed.
Solution: Preview an image.
Scanning is too slow.
Problem: The scanner is taking an unusually long time to print or scan.
Cause1: The selected output resolution of the image may be too high
for the resolution of your printer, or your computer may be
low on memory.
Solution: Before scanning the image, make sure you have set the Scan
Resolution on the Main tab to not exceed the resolution of
your printer. Also check to see if there is enough memory
available in your computer. Before scanning, quit other
applications that are not in use.
Cause 2: With Windows, DMA option for computer's hard disk drive
is not turned on.
Solution: Turn on the DMA option in the System Properties dialog as
described below.
Windows 98/Me:
(1) Right-click the [My Computer] icon on the Windows
desktop.
(2) Select [Properties] from the pop-up menu and click the
[Device Manager] tab in the System Properties dialog.
(3) In the [Disk Drives] category, select the appropriate
hard disk and click the [Properties] button on the
Device Manager tab.
(4) Click the [Settings] tab and place a check in the [DMA]
option.
(5) Restart the computer.
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