Canon imageCLASS MF4150 MF4100 Series Scanner Driver Guide - Page 59
Scanning Problems - advanced guide
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Introduction 1 Scanning a Document 2 Troubleshooting 3 Appendix 4 Scanning Problems Cannot scan a document. Q Is there anything displayed in the LCD? A If nothing is displayed in the LCD, see Chapter 5, "Troubleshooting," in the Advanced Guide. Q Is the Error indicator blinking? A If the Error indicator is blinking, see Chapter 5, "Troubleshooting," in the Advanced 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 Handling," in the Basic Guide.) Q Is your computer working properly? A Restart your computer. Back Previous Next TOP Q Is a 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. Q Are you using a USB 2.0-compatible USB hub? A If you connect the machine to a USB 2.0-equipped computer using a USB 2.0-compatible USB hub, you may not be able to scan. In this case, connect a USB cable directly to the computer. Table of Contents Index 3-2