Canon 2099B002 User Manual - Page 79

Slow Scanning Speed, Temporary files cannot be created in the TEMP folder,

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Chapter 3 Problem Solution The scanner does not support your USB interface. This product is not guaranteed to operate with all types of USB interfaces. Contact your local authorized Canon dealer or service representative for more information. (See p. 15.) Problem The scanner does not support the USB cable. Solution Use the USB cable provided with the scanner. Problem The USB hub is not compatible with the scanner. Solution Remove the USB hub. 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 PC. 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 Solution The USB port you are using does not support Hi-Speed USB 2.0. Scanning speeds are lower if your computer's standard USB interface is not compatible with Hi-Speed USB 2.0. (See p. 15.) Use a computer that is equipped with USB that is compatible with Hi-Speed USB 2.0 as standard. 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. Appendices 73

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Appendices
73
Chapter 3
Problem
The scanner does not support your USB interface.
Solution
This product is not guaranteed to operate with all types of USB
interfaces. Contact your local authorized Canon dealer or service
representative for more information. (See p. 15.)
Problem
The scanner does not support the USB cable.
Solution
Use the USB cable provided with the scanner.
Problem
The USB hub is not compatible with the scanner.
Solution
Remove the USB hub.
Slow Scanning Speed
The following problems might cause the scanning speed to be slow.
Problem
Other applications are running in the background on your
PC.
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 port you are using does not support Hi-Speed
USB 2.0.
Solution
Scanning speeds are lower if your computer’s standard USB
interface is not compatible with Hi-Speed USB 2.0. (See p. 15.)
Use a computer that is equipped with USB that is compatible with
Hi-Speed USB 2.0 as standard.
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.