Canon 1211B002 User Manual - Page 71

Error Is Displayed, Slow Scanning Speed, Error, display

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Error Is Displayed Probable causes are as follows when an error appears on the display panel. Try the solutions according to the various causes. Error display Problem Solution The lock switch on the bottom of the scanner is locked. Unlock the lock switch and press the [STOP] button to clear the error. (See p. 7.) Error display Problem Solution The ADF Connector on the rear of the printer is disconnected. Insert the ADF connector all the way and press the [STOP] button to clear the error. (See p. 15.) Chapter 3 Slow Scanning Speed The following problems might cause the scanning speed to be slow. Problem Solution Other applications are running in the background on your computer. Quit all other applications that are running. Problem Solution Resident applications, such as anti-virus software, are draining memory resources. Quit all resident applications. Problem Solution Temporary files cannot be created in the TEMP folder, as there is not enough free space on the hard disk. Delete unwanted files on the hard disk to increase free space on the hard disk. Problem The USB interface does not support Hi-Speed USB 2.0. Solution Use the recommended USB 2.0 interface card. (See p. 16.) Problem The USB cable does not support Hi-Speed USB 2.0. Solution Use the USB cable provided with the scanner. Problem Solution The USB hub does not support Hi-Speed USB 2.0. Remove the USB hub or replace it with one that supports HiSpeed USB 2.0. (See p. 16.) Appendices 67

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Appendices
67
Chapter 3
Error Is Displayed
Probable causes are as follows when an error appears on the display panel. Try
the solutions according to the various causes.
Error
display
Problem
The lock switch on the bottom of the scanner is locked.
Solution
Unlock the lock switch and press the [STOP] button to clear the
error. (See p. 7.)
Error
display
Problem
The ADF Connector on the rear of the printer is
disconnected.
Solution
Insert the ADF connector all the way and press the [STOP] button
to clear the error. (See p. 15.)
Slow Scanning Speed
The following problems might cause the scanning speed to be slow.
Problem
Other applications are running in the background on your
computer.
Solution
Quit all other applications that are running.
Problem
Resident applications, such as anti-virus software, are
draining memory resources.
Solution
Quit all resident applications.
Problem
Temporary files cannot be created in the TEMP folder, as
there is not enough free space on the hard disk.
Solution
Delete unwanted files on the hard disk to increase free space on
the hard disk.
Problem
The USB interface does not support Hi-Speed USB 2.0.
Solution
Use the recommended USB 2.0 interface card. (See p. 16.)
Problem
The USB cable does not support Hi-Speed USB 2.0.
Solution
Use the USB cable provided with the scanner.
Problem
The USB hub does not support Hi-Speed USB 2.0.
Solution
Remove the USB hub or replace it with one that supports Hi-
Speed USB 2.0. (See p. 16.)