Cannot Connect the Scanner and a Computer via a Wired LAN
Check the following points
● Is the scanner connected to a network device (such as a switch, a hub, or a router) via a LAN cable?
(page 181)
● Is [Wired LAN] selected for the connection setting? (page 181)
● Is the network device (such as a switch, a hub, or a router) turned on? (page 182)
● Is the firmware version for the network device the latest? (page 182)
● Is the computer connected to a network device (such as a switch, a hub, or a router)? (page 182)
● Did you configure the settings related to communication conditions on a network device (such as a
switch, a hub, or a router)? (page 182)
● Are there any security limitations in the network? (page 182)
● Is the network stable? (page 183)
● Are there any security restrictions on the computer? (page 183)
● Is the computer connected to a wired LAN? (page 183)
● Is the scanner connected to another computer? (page 183)
● Is the scanner's IP address correct? (page 184)
● Is the IP address of the scanner used for other communication devices? (page 184)
● Is the DNS server information configured correctly? (page 184)
● Does the DNS server function normally? (page 184)
If the problem persists, check the items in Before You Contact the Scanner Service Provider (page 213)
first, then contact the distributor/dealer where you purchased this product. Or, make an inquiry by
referring to the contact information at the Contact for Inquiries section in Safety Precautions bundled with
this product.
● Is the scanner connected to a network device (such as a switch, a hub, or a router) via a LAN cable?
Solution
Connect the scanner to a network device (such as a switch, a hub, or a router) via a LAN cable. Also,
connect the LAN cable properly.
When the LAN cable is connected properly, take the following measures:
● Replace the LAN cable.
● Change the port on the network device, which the LAN cable is connected to.
● Change the transmission method for the network device to "full-duplex" or "half-duplex".
● Is [Wired LAN] selected for the connection setting?
Solution
Check the connection method in the following procedure:
Troubleshooting
181
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