Canon G540, Online Manual

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• After changing the installation location, print out the network settings information again and check the
status of the signal. Compare with the value in section "3-2-1 Signal Strength" in the printed network
settings information and place the printer in the location with a higher value.
Note
• In some cases, "C-7" and "C-9" are displayed at the same time. In that case, refer to both items.
C-8 : There is a problem in the settings/environment
Too many clients are connected.
A total of five devices can be simultaneously connected to the printer's wireless direct.
If you want to connect additional devices to the printer, unplug any devices that are not in use before
adding them.
C-9 : There is a problem in the settings/environment
The noise level is high and does not differ from the signal level due to various devices other than the
printer.
• If devices (microwave oven, external hard disk drive, and other USB 3.0 devices) that emit radio waves
of the same frequency bandwidth as a wireless router is nearby, it may cause interference. Place the
printer and the wireless router as far away from interference sources as possible.
• After you change the location of the printer, check the signal quality. Compare the value of "3-2-2 Link
Quality" in the network settings information and place the printer in the location with a higher value.
Note
• In some cases, "C-7" and "C-9" are displayed at the same time. In that case, refer to both items.
C-10 : There is a problem in the settings/environment
No IP address is assigned by the wireless router.
Check the following items.
Check1
Password on your wireless router may not match password you entered.
Passwords are case sensitive.
Enter the password correctly.
Check2
Set up printer again and reconnect to Wi-Fi.
Check3
Check DHCP on wireless router. If DHCP is off, set it on.
To check the settings of the wireless router, refer to the instruction manual provided with it or contact its
manufacturer.
C-11 : There is a problem in the settings/environment
• The network name (SSID) remains the default value.
• The network name (SSID) has not been set.
Verify the network name (SSID) and password of the wireless router you want to connect to, and then set it
up manually.
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