Canon LBP7110Cw Manual page 349

(2) Click [MAC Address Filter].
4
Click [Edit] in the filter which you want to specify.
[TX Filter]
[RX Filter]
(The following describes the procedure for the [TX Filter] screen as an example.)
5
Select the [Use Filter] check box.
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Restricts data transmission from the printer.
Restricts data reception to the printer.