Canon imageFORMULA CR-190i imageFORMULA CR-135i / CR-190i Operation and Mainte - Page 10

Troubleshooting This chapter describes the problems that might occur in the CR-135i/ CR-190i, and how to remedy them. When the Scanner Is Not Recognized The following causes and remedies describe why your computer may not recognize the scanner. Cause Remedy Cause Remedy Cause Remedy Cause Remedy Cause Remedy The Scanning Utility is not installed. Install the Scanning Utility before connecting the scanner to the computer. (See "Setting Up the Scanner," on p. 17 in Instructions.) The scanner is not correctly connected to the computer. Connect the scanner to the computer correctly. (See "Connecting the Scanner to a Computer," on p. 20 in Instructions.) The USB interface provided as standard with your computer is not compatible with the scanner. 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. 18 in Instructions.) USB cable is not compatible with the scanner. Use the USB cable provided with the scanner. (See "Checking Your Operating Environment," on p. 18 in Instructions.) USB hub is not compatible with the scanner. Remove the USB hub to use the scanner. (See "Checking Your Operating Environment," on p. 18 in Instructions.) Clearing Paper Jams 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. 1 Remove scanned documents from the Eject Pockets. 10