Canon DR-4010C - Manual (Page 80)

Chapter 5 Troubleshooting
5-2
Problem The USB hub is not compatible with the scanner.
Solution Remove the USB hub.
✘
The PC Does Not Recognize the Scanner (Connecting via SCSI)
The following are possible causes of the PC failing to recognize the scanner. Check each
possible cause.
Problem The scanner is not connected correctly.
Solution Make sure that the scanner and the computer are correctly connected. (See p. 2-12.)
Problem The SCSI card is not correctly installed in the PC.
Solution Refer to the documentation for the SCSI card and the computer. Make sure that the
SCSI card is correctly installed in the computer and that it is enabled properly under
the operating system in use.
Problem The scanner’s SCSI ID is identical to the SCSI ID of another device.
Solution Check the SCSI IDs of all SCSI devices connected to the system and set a unique
SCSI ID for the scanner. (See p. 2-12.)
Problem The terminator is not set correctly.
Solution Shut down both the PC and the scanner, and then turn the scanner ON first, and then
the PC. (See p. 2-12.)
Problem There is a problem with another SCSI device that is connected in the daisy
chain.
Solution Do not use the daisy chain connection configuration. (See p. 2-12.)
Problem The PC was turned ON before the scanner.
Solution Shut down both the PC and the scanner, and then turn the scanner ON first, and then
the PC. (See p. 2-14.)
Problem The scanner is not ON.
Solution Check to see if the scanner is ON. If the scanner is not ON, shut down the PC, then
turn the scanner ON first, and then the PC. (See p. 2-14.)
Problem The SCSI card is not compatible with the scanner.
Solution Use a recommended SCSI card. (See p. 2-2.)
✘
Scanning Is Not Performed
Check the following if the scanner does not scan an image even though the scanning operation is
performed:
• Has the application software been installed correctly? Has the application software been set up
correctly?
• Is there a problem in the PC system?