Canon imageFORMULA DR-9050C User Manual - Page 90
Troubleshooting, Trouble Categories, Problem and Solution
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Chapter 6 Practical Examples 2. Troubleshooting This section describes the problems that may occur during use of the scanner and how to solve them. Trouble Categories The following trouble categories are addressed: • The Scanner Does Not Turn ON (See p. 6-5) • The Scanner Is Not Recognized (Connecting via USB) (See p. 6-5) • The Scanner Is Not Recognized (Connecting via SCSI) (See p. 6-5) • Scanning Is Not Performed (See p. 6-6) • Slow Scanning Speed (See p. 6-6) • Documents Do Not Feed Properly (See p. 6-7) • Saved Image Files Do Not Open (See p. 6-7) • Scanning Results Are Not as Expected (See p. 6-7) It you cannot resolve a problem, contact your local authorized Canon dealer or your service representative. If this does not solve the problem, consider the following possible causes: Cause 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. Cause The scanner does not support the USB cable. Solution Use the USB cable provided with the scanner. Cause The USB hub is not compatible with the scanner. Solution Remove the USB hub. Problem and Solution ■ The Scanner Does Not Turn ON If the scanner does not turn ON, first confirm the following: ✔ Is the power cord connected correctly? ✔ Is the power cord inserted into the power outlet? ■ The Scanner Is Not Recognized (Connecting via USB) If the scanner's USB connection is not recognized, first confirm the following: ✔ Are the scanner and PC connected correctly using the proper cable? ✔ Is the scanner's power switch turned ON? ■ The Scanner Is Not Recognized (Connecting via SCSI) If the scanner's SCSI connection is not recognized, first confirm the following: ✔ Are the scanner and PC connected correctly using the proper cable? ✔ Is the scanner's power switch turned ON? ✔ Is the SCSI card in the PC operating properly? ✔ Was the PC turned ON before the scanner? IMPORTANT When using the SCSI connection, if the scanner is turned ON after the PC, it may not be properly recognized by the PC. 6-5