42
Troubleshooting
This chapter describes the problems that might occur in the CR-150/
CR-120 and how to remedy them.
The following causes and remedies describe why your computer may
not recognize the scanner.
If paper has jammed, open the Maintenance Cover and remove the
jammed paper.
CAUTION
•
Be careful when you clear a paper jam. You may be injured
unexpectedly. For example, the paper edges may cut your fingers, or
the document may be damaged.
•
Remove all jammed sheets of paper. Paper scraps left inside the
scanner may cause a paper jam or malfunction.
A
Remove scanned documents from the Eject Pocket.
When the Scanner Is Not Recognized
Cause
The Scanning Utility is not installed.
Remedy
Install the Scanning Utility before connecting the scanner to
the computer. (See “Setting Up the Scanner,” on p. 5.)
Cause
The scanner is not correctly connected to the computer.
Remedy
Connect the scanner to the computer correctly. (See
“Connecting the Scanner to a Computer,” on p. 8.)
Cause
The CR-150/CR-120 is not recognized by your computer.
Remedy
• Restart your computer.
• If your computer has multiple USB ports, try using a
different USB port.
• Disconnect the USB cable, make sure the computer and
scanner are turned ON, and then reconnect the cable.
Cause
The USB interface provided as standard with your
computer is not compatible with the scanner.
Remedy
Not all USB interfaces provided as standard with personal
computers are guaranteed. Contact your local authorized
Canon dealer for more detailed information. (See “Checking
Your Operating Environment,” on p. 6.)
Cause
USB cable is not compatible with the scanner.
Remedy
Use the USB cable provided with the scanner. (See
“Checking Your Operating Environment,” on p. 6.)
Cause
USB hub is not compatible with the scanner.
Remedy
Remove the USB hub to use the scanner. (See “Checking
Your Operating Environment,” on p. 6.)
Cause
The CR-150/CR-120 turns OFF automatically.
Remedy
Check whether the Auto Power OFF function of the CR-150/
CR-120 is enabled. If it is enabled, disable it.
Clearing Paper Jams
