Canon 0435B008 Startup Guide - Page 67

Images Are Not Scanned, Documents Do Not Feed Properly

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Images Are Not Scanned Check the following if the scanner does not scan an image when you perform the scanning operation: • Is the scanner correctly connected to the PC? • Has the scanner driver been installed? • Has the application software been installed correctly? Has the application software been set up correctly? • Is there a problem in the PC system? Note • If a system error causes the scanner to stop functioning, turn OFF the scanner and wait at least ten seconds before turning it back ON. • Make sure that the last document scanned was scanned correctly when scanning resumes. Documents Do Not Feed Properly The following are possible causes of a document failing to feed properly. Check each possible cause. Cause Remedy Attempting to scan a document of a size, thickness, or weight that the scanner cannot scan. Check the size, thickness, and weight of the document. (For more information on precautions concerning documents, see "Documents," on p. 36.) Cause Remedy Gap between the rollers needs to be fine-tuned to match paper thickness. Follow instructions in "Calibrating Paper Thickness," on page 42 to adjust the gap between the feeding roller and the separation roller. Cause Remedy The rollers inside the scanner are dirty or worn. Clean the rollers. (For instructions on cleaning the rollers, see "Cleaning the Sensor Glass and the Rollers," on p. 48.) If the rollers are worn, then they should be replaced. Contact your local authorized Canon Dealer, service representative, or the *Canon Service Support Center. * : For US customers only. For instructions on clearing a paper jam, see "Clearing a Paper Jam," on p. 58. 62 Troubleshooting

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62
Troubleshooting
Images Are Not Scanned
Check the following if the scanner does not scan an image when you perform
the scanning operation:
•
Is the scanner correctly connected to the PC?
•
Has the scanner driver been installed?
•
Has the application software been installed correctly? Has the application
software been set up correctly?
•
Is there a problem in the PC system?
Note
•
If a system error causes the scanner to stop functioning, turn OFF the
scanner and wait at least ten seconds before turning it back ON.
•
Make sure that the last document scanned was scanned correctly when
scanning resumes.
Documents Do Not Feed Properly
The following are possible causes of a document failing to feed properly.
Check each possible cause.
Cause
Attempting to scan a document of a size, thickness, or
weight that the scanner cannot scan.
Remedy
Check the size, thickness, and weight of the document. (For more
information on precautions concerning documents, see
“Documents,” on p. 36.)
Cause
Gap between the rollers needs to be fine-tuned to match
paper thickness.
Remedy
Follow instructions in “Calibrating Paper Thickness,” on page 42
to adjust the gap between the feeding roller and the separation
roller.
Cause
The rollers inside the scanner are dirty or worn.
Remedy
Clean the rollers. (For instructions on cleaning the rollers, see
“Cleaning the Sensor Glass and the Rollers,” on p. 48.) If the
rollers are worn, then they should be replaced. Contact your local
authorized Canon Dealer, service representative, or the
*
Canon
Service Support Center.
*
: For US customers only.
For instructions on clearing a paper jam, see “Clearing a Paper Jam,” on p. 58.