Scanning Problems - Canon i-SENSYS MF6140dn User Manual

0FR4-0LJ

Scanning Problems

See the following sections.
Cannot scan a document.
The scan is too slow.
Cannot scan multiple documents to create a combined multi-page PDF file.
<An error has occurred.> appears on the operation panel. (When scanning from the operation panel)
During scanning, a computer connected to the machine freezes or is disconnected.
In the event that applications installed from the User Software and Manuals DVD-ROM that comes with the machine
are not properly registered in the MF Toolbox.
A different application opens when you want to scan a document.
Scanned images are spotted or distorted.
A scanned image is displayed larger (or smaller) than its actual size on the computer screen.
Cannot scan highlighting marks.
Cannot scan a document.
Refer to the following section:
"Cannot Scan a Document"
The scan is too slow.
When connecting the wireless LAN router or access point, check the following.
The distance between wireless LAN router and access points is within 50 m (may vary on the communication speed
or environmental condition).
There are no obstacles between the wireless LAN router or access point and the machine.
There are no microwave ovens or refrigerators near the installation area.
When multiple networks are used, to avoid interference between the channels, each network will be set to a channel
that is as far apart from other network channels as possible such as Ch.1, Ch.6, and Ch.11.
For information on checking and setting methods for channels, refer to the instruction manual of the wireless LAN
router or access point, or contact the manufacturer.
If the scan is still slow, turn OFF the machine and wait for at least 10 seconds before turning it back ON.
Cannot scan multiple documents to create a combined multi-page PDF file.
Start ScanGear MF, access the Preferences dialog box, and clear the check box next to [Automatically Quit ScanGear
after Scanning] before you perform a scan. When this check box is selected, you can only perform a scan from the platen
glass.
<An error has occurred.> appears on the operation panel. (When scanning from the operation
panel)
Close the MF Toolbox and scan the document again.
During scanning, a computer connected to the machine freezes or is disconnected.
Quit all running applications to increase the memory usage.
Make sure that the machine has sufficient free hard disk space when scanning documents at a high resolution. To scan
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