Canon LBP7100Cn User Manual page 272

When the communication mode and transmission speed are obtained automatically
[Auto Detect]
When the communication mode and transmission speed are obtained manually
[Auto Detect]
[Communication
Mode]
[Ethernet Type]
6
Restart the printer.
Turn the printer OFF, make sure that the Main Power indicator is off, wait for 10 seconds or longer, and then turn it ON
again.
After the printer is restarted, the settings become effective.
Select the check box.
Clear the check box.
Select the communication mode that corresponds to your network environment.
[Half Duplex]
Sending and receiving are alternated and are not performed at the same time.
[Full Duplex]
Sending and receiving are performed at the same time.
Select the transmission speed that corresponds to your network environment.
[10BASE-T]
Set to 10BASE-T network connection.
[100BASE-TX]
Set to 100BASE-TX network connection.