Troubleshooting; Common Problems And Solutions - Canon imageFORMULA DR-G2140 User Manual

Troubleshooting

Common Problems and Solutions

This section provides recommended solutions to common problems.
If you have a problem that is not solved by the following, contact your
local authorized Canon dealer.
Problem 1 The scanner will not turn on.
Solutions (1) Confirm that the power cord is properly connected.
(2) Confirm that the power plug is plugged into a power
outlet.
Problem 2 The scanner is not recognized.
Solutions When connecting via USB:
(1) Confirm that the scanner is properly connected to
the computer with a USB cable.
(2) Confirm that the scanner is turned on. See the
previous problem (1) if the scanner does not turn on.
(3) The computer's USB interface may not support the
scanner. The scanner cannot be guaranteed to
work with all USB interfaces.
(4) Confirm that the supplied USB cable is used to
connect the scanner to the computer. The scanner
cannot be guaranteed to work with all available USB
cables.
(5) If the scanner is connected to the computer via a
USB hub, try removing the hub and connecting
directly to the computer.
(6) USB connection is not recognized when connected
via LAN. Disconnect the LAN cable, restart the
computer, and reconnect the USB cable.
When connecting via wired LAN:
(1) Check the LAN cable connection.
(2) Confirm that the IP address is configured properly.
(3) If a DHCP server does not exist on the network, you
need to use a static IP address. Do the settings from
the operation panel
settings on the Web menu
(4) Connection may not be possible due to security
software settings. For details, please contact your
network administrator.
(5) You cannot connect if the same device exists on
multiple networks and you specify a device with a
different IP address. Please double check the IP
address of the device to be used.
(6) Use the following procedure to configure the firewall
and open the mDNS port.
1. Click the [Start] button, and then click [Windows
System] – [Control Panel].
2. Click [System and Security].
3. Click [Windows Defender Firewall].
4. Click [Advanced settings] to open the [Windows
Defender Firewall with Advanced Security]
window.
5. Click [Inbound Rules].
6. Click [New Rule] to open the [New Inbound Rule
Wizard].
7. Click [Custom], and then click [Next].
126
(See p. 68) or from the network
(See p. 98).