Continued from the previous step
↓
TCP/IP
IP Address
↓17. Press the < 
> button once.
TCP/IP
Subnet Mask
↓18. Press the <Form Feed/Set> or < 
> button once.
Subnet Mask 000.000.000.000*
19. Set the subnet mask in the same way as the IP address.
↓To set values with the < 
> or < 
> buttons, you can hold down the button to change the value sequentially.
Subnet Mask 255.255.255.000*
↓20. Press the <Job Cancel/Back> or < 
> button once. The lower line of the screen returns to ‘Subnet Mask’.