Canon GM2000 Series, Online Manual

Page: 267 / 371

You need to have the same Wi-Fi channel number that you are using for the wireless router as your computer.
It is normally set in the way that you can use all the Wi-Fi channels. However, when the channels that you are
using are restricted, the Wi-Fi channels do not match.
See the instruction manual provided with your computer and check the Wi-Fi channel number available for
your computer.
Check8
Make sure channel set on wireless router is a usable channel as confirmed in
Check 7.
If it is not, change the channel set on the wireless router.
Check9
Make sure security software's firewall is off.
If your security software's firewall is on, a message may appear warning you that Canon software is attempting
to access the network. If this warning message appears, set security software to always allow access.
If you are using any programs that switch between network environments, check their settings. Some
programs use a firewall by default.
If the problem is not resolved, redo setup from the web page.
For Windows, you can redo setup using the Setup CD-ROM.
• Positioning:
Place the printer and wireless router where there are no obstacles between them.
Cannot Connect to a Printer through Wireless Direct
Check1
Check the power status of printer and other devices (smartphone or tablet).
Turn on the printer or devices.
If the power is already turned on, cycle the power switch.
Check2
Check printer settings.
To enable Wireless Direct, press and hold the RESUME/CANCEL button and release it when the Alarm lamp
flashes 12 or 14 times.
Check3
Check the settings of your device (smartphone/tablet).
Make sure Wi-Fi is enabled on your device.
For details, refer to your device's instruction manual.
Check4
Make sure printer is selected as connection for device (e.g. smartphone or
tablet).
267