Canon PIXMA MP640, PIXMA MP640R Network Setup Manual
Network Setup Troubleshooting
Network Setup Troubleshooting
This manual mainly describes problems you may encounter when setting up a network, and the possible
causes and solutions.
Find a description related to your problem and follow the solution.
If you cannot nd a description for your problem or if you encounter a problem after setup, refer to the on-
screen manual: Basic Guide/Advanced Guide.
Names of functions, etc. may differ from this manual depending on your network device (router, access
•
point, etc.) or application software.
Problems during Network Setup
Easy Settings
The Target Access Point is Not Displayed (Detected)
Failed to connect to the access point. is Displayed P.2
Access point was not detected is Displayed
Multiple access points with the same name exist. is Displayed
WPS Settings
Cannot connect. Multiple access points are enabled. is Displayed
Connection failed. is Displayed
Problems during Software Installation
The Machine is Not Displayed (Detected)
P.1
P.1
P.3
P.3
P.4
P.4
P.4
P.4
P.5Check Printer Settings dialog box is displayed
Other Troubleshooting Tips
Forgotten or Do Not Know the Access Point Name/Network Name (SSID), Security
Protocol (encryption standard), and Network Key
The Machine is Not Detected after the Network Environment is Changed
Reference Information
Entering the Access Point's Wireless LAN Settings Directly on the Machine P.7
Specifying the Machine's IP Address (IPv4 only) P.9
Restoring the Machine's Default LAN Settings to Perform Setup Again P.10
P.6
P.6
P.6
P.7
Connection Checklist P.11
Specications P.13
The following symbols are used in this manual.
Instructions as notes for operation or additional explanations.
Description for Windows users.
Description for Macintosh users.
Description for wireless connection.
Description for wired connection.
A
Problems during Network Setup
Easy Settings
The Target Access Point is Not Displayed (Detected)
Check
Check 1
Make sure that you follow Check 1, 2, 5 and 6 of
"Connection Checklist" on page 11, then press the left
FUNCTION button (A) on the machine to search for the
access point again.
Check 2
Unplug the access point from the power outlet and plug it in,
wait for a while, then press the left FUNCTION button (A) on
the machine to search for the access point again.
Check 3
Is SSID broadcast (connection via "ANY" SSID, etc.)
disabled or is the stealth mode enabled on the access
point?
For details on how to check the settings of the access point,
•
refer to the manual supplied with the access point or contact its
manufacturer.
Enable SSID broadcast (connection via "ANY" SSID, etc.)
or disable the stealth mode, then press the left FUNCTION
button (A) on the machine to search for the access point
again.
For details on how to change the settings of the access point, refer to the manual supplied with the
•
access point or contact its manufacturer.
To establish a connection without changing the access point settings, refer to "Entering
the Access Point's Wireless LAN Settings Directly on the Machine" on page 7.
Check 4
Is the MAC address ltering enabled on the access point?
For details on how to check the settings of the access point, refer to the manual supplied with the
•
access point or contact its manufacturer.
Set the access point to accept the MAC address of the
machine.
For details on how to change the settings of the access point,
•
refer to the manual supplied with the access point or contact its
manufacturer.
To check the MAC address of the machine, press the HOME
•
button, then using the Easy-Scroll Wheel and OK button, select
Settings > Device settings > LAN settings > Conrm LAN
settings > Wireless LAN setting list, then check MAC address.
Check 5
Is "WPA/WPA2 Enterprise" set as a security protocol (encryption standard) on the
access point?
"WPA/WPA2 Enterprise" is not supported on the machine.
Change the security protocol (encryption standard) for the access point, then congure
settings again.
For details on how to change the security protocol (encryption standard) for the access point, refer
•
to the manual supplied with the access point or contact its manufacturer.
For the procedure to congure settings of the machine, refer to "Wireless Setup" on page 22 in the
•
printed manual: Getting Started.
Glossary
SSID•
An identier to identify the specic access point.
SSID broadcast•
An access point's periodic transmission of a signal revealing its SSID.
Stealth mode•
A function to hide SSID in wireless connection.
MAC address•
A unique number assigned to each network device.
MAC address ltering•
A function to block access from unauthorized wireless devices by saving the MAC addresses of specic
wireless devices (computers, printers, etc.) to the access point beforehand.
1
Failed to connect to the access point. is Displayed
Check
Check 1
Is WEP key number 2, 3 or 4 of the access point in use?
For details on how to check the WEP key number of the access
•
point, refer to the manual supplied with the access point or
contact its manufacturer.
Set to use WEP key number 1 of the access point, or select
a WEP key number by entering wireless connection settings
of the machine directly.
For details on how to change the WEP key number of the access point, refer to the manual
•
supplied with the access point or contact its manufacturer.
For details on how to select a WEP key number by entering wireless connection settings of the
•
machine directly, refer to "Entering the Access Point's Wireless LAN Settings Directly on the
Machine" on page 7.
Check 2
Make sure that the DHCP function of the access point is active.
For details on how to check the settings of the access point, refer to the manual supplied with the
•
access point or contact its manufacturer.
Enable the DHCP function of the access point, then congure settings again.
For details on how to change the settings of the access point, refer to the manual supplied with the
•
access point or contact its manufacturer.
Check 3
Are you using an access point that automatically creates WEP keys?
For details on the access point, refer to the manual supplied with the access point or contact its
•
manufacturer.
Check the WEP key (hexadecimal) created automatically on the access point, then enter
it on the machine.
For details on how to check the WEP key of the access point, refer to the manual supplied with the
•
access point or contact its manufacturer.
Glossary
DHCP function•
A function that automatically assigns required information (IP address, etc.) to computers connected to
the Internet.
2
Access point was not detected is Displayed
Multiple access points with the same name exist. is Displayed
Check
The message appears when no access point is found.
Refer to "The Target Access Point is Not Displayed
(Detected)" on page 1.
Check
The message appears when multiple access points with the
same name are found.
When you have only one access point
Select Use one AP only, then select the MAC address of
the target access point.
•
For subsequent operations, go to step
Access Point's Wireless LAN Settings Directly on the Machine"
on page 7.
For details on how to check the MAC address of the access
•
point, refer to the manual supplied with the access point or
contact its manufacturer.
When using multiple access points
Select Use multiple APs.
•
For subsequent operations, go to step
Directly on the Machine" on page 7.
Glossary
MAC address•
A unique number assigned to each network device.
in "Entering the
in "Entering the Access Point's Wireless LAN Settings
3
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