Canon DR-4010C Reference Guide - Page 50

Documents Do Not Feed Properly, document to stick together, and they cannot - maintenance kit

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Problem Solution Temporary files cannot be created in the TEMP folder, as there is not enough free space on the hard disk. Delete unwanted files on the hard disk to increase free space on the hard disk. Problem Solution The USB port you are using does not support Hi-Speed USB 2.0. Scanning speeds are lower if your computer's standard USB interface is not compatible with Hi-Speed USB 2.0. Use a computer that is equipped with USB that is compatible with Hi-Speed USB 2.0 as standard. (See "1-4 Installation Requirements," on p. 14.) Problem The USB cable does not support Hi-Speed USB 2.0. Solution Use the USB cable provided with the scanner. Problem The USB hub does not support Hi-Speed USB 2.0. Solution Remove the USB hub. ✘ Documents Do Not Feed Properly The following are possible causes of a document failing to feed properly. Check each possible cause. Problem Solution Static electricity, etc., is causing the pages of the document to stick together, and they cannot be separated correctly by the scanner. Before you place your document, thoroughly fan the stack of papers. (See "2-3 Placing Documents," on p. 22.) Problem Solution 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 precautions concerning documents, see "2-1 Documents," on p. 16. Problem Solution The rollers inside the scanner are dirty or worn. Clean the rollers, see "3-1 Regular Maintenance," on p. 34. If the rollers are worn, then they need to be replaced. Contact your local authorized Canon dealer or service representative to purchase a roller replacement kit. 46 Troubleshooting

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46
Troubleshooting
Problem
Temporary files cannot be created in the TEMP folder,
as there is not enough free space on the hard disk.
Solution
Delete unwanted files on the hard disk to increase free
space on the hard disk.
Problem
The USB port you are using does not support Hi-Speed
USB 2.0.
Solution
Scanning speeds are lower if your computer’s standard
USB interface is not compatible with Hi-Speed USB 2.0.
Use a computer that is equipped with USB that is
compatible with Hi-Speed USB 2.0 as standard.
(See “1-4
Installation Requirements,” on p. 14.)
Problem
The USB cable does not support Hi-Speed USB 2.0.
Solution
Use the USB cable provided with the scanner.
Problem
The USB hub does not support Hi-Speed USB 2.0.
Solution
Remove the USB hub.
✘
Documents Do Not Feed Properly
The following are possible causes of a document failing to feed
properly. Check each possible cause.
Problem
Static electricity, etc., is causing the pages of the
document to stick together, and they cannot be
separated correctly by the scanner.
Solution
Before you place your document, thoroughly fan the stack of
papers. (See “2-3 Placing Documents,” on p. 22.)
Problem
Attempting to scan a document of a size, thickness, or
weight that the scanner cannot scan.
Solution
Check the size, thickness, and weight of the document. For
precautions concerning documents, see “2-1 Documents,”
on p. 16.
Problem
The rollers inside the scanner are dirty or worn.
Solution
Clean the rollers, see “3-1 Regular Maintenance,” on p. 34.
If the rollers are worn, then they need to be replaced.
Contact your local authorized Canon dealer or service
representative to purchase a roller replacement kit.