Canon ImageCLASS MF4690, Руководство пользователя

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3-2
Introduction
Scanning a
Document
Troubleshooting
Appendix
Table of Contents
Index
Scanning Problems
Cannot scan a document.
Q Is there anything displayed on the LCD?
A If anything is displayed on the LCD, see Chapter
10, “Troubleshooting,” in the Reference Guide.
Q Is the Error indicator blinking?
A If the Error indicator is blinking, see Chapter 10,
“Troubleshooting,” in the Reference Guide.
Q Is the document placed correctly?
A Remove the document and place it on the platen
glass or in the ADF correctly. (See Chapter 2,
“Document and Paper,” in the Basic Operation
Guide.)
Q Is your computer working properly?
A Restart your computer.
Q Is your USB hub or repeater working properly?
A When using a USB hub or repeater, try connecting
a USB cable directly to the computer to check if it
works properly. If you can scan the document
successfully after connecting a USB cable directly
to the computer, check your USB hub or repeater if
it is working properly.