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Network Guide

Connecting to Wi-Fi or Ethernet

Cannot connect to network

❏ Is the message "The combination of IP address and subnet mask is invalid." displayed?

Solution 1: If your broadband router (or access point) uses a DHCP function, set the TCP/IP setting so that the

product acquires an IP address automatically.

Solution 2: If you want to set the product's IP address manually, see the following to set the IP address and subnet

mask.

1. Check the IP address for the broadband router (or access point) connected to your computer. See the broadband

router's (or access point's) user's guide.

2. All IP addresses are written in segments of four numerical values. In the final segment, set a unique numerical

value for your product within a range of 1 to 254. (When the router is a DHCP server or when there is another

DHCP server in the network, set a value that does not conflict with the ID address range allocated by the DHCP

server.)

Setting example:

IP address for the broadband router: 192.168.1.1

Example setting on the product: 192.168.1.3

For the subnet mask, 255.255.255.0 is normally set for small-scale networks and all devices in the network use this

value. Also, when a gateway value is set, use the same value as the IP address for the wireless router.

❏ Does your computer have more than one network interface?

The scanner may not be able to communicate with computers that have multiple network interfaces. To

communicate with the scanner, disable all network interfaces on your computer except for the interface

connected to the scanner.

❏ When using TCP/IP, can the computer and product communicate?

Verify that a connection is established. See

❏ When using TCP/IP, is the IP address set correctly for your environment?

The factory setting is not available as is. To use this IP address, delete it once and reenter the same address. Change

the product's IP address as appropriate for your environment.

The IP address changes

❏ Is the TCP/IP setting on the control panel set to acquire an IP address automatically?

If the setting is auto, the IP address changes each time the router is turned on. When using the auto setting,

determine the power-on order, or always keep the product turned on. The auto setting is available when setting the

product port using EpsonNet Print (in Windows) or Bonjour printing (in Mac OS X).

Printing Problems

Computer Connected to Wi-Fi

Cannot perform network printing

❏ Are the network connection settings correct?

See

"Setup Problems" on page 24

Troubleshooting

"Ping command" on page

for more details on problems with network connection settings.

23.