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Symptom Possible Cause Action
The IP address changes
when turning on the
printer
Is the printer set to acquire an IP
address through a DHCP server?
Set the IP address acquisition
method to “Panel”. See 1.2.1 “Setting
an IP Address”.
Is the printer off? Press the [I] on the power switch to
turn on the printer.
See 3.2.1 “Turn On the Printer”
Is the Ethernet cable loose or
disconnected?
Turn off the printer and check the
Ethernet cable. If necessary,
reconnect.
Is the printer's Internet address
correct?
Confirm that the printer Internet
address is correct. If the problem
persists, use an IP address to
connect to the printer instead.
Is the printer's IP address correct? The IP address might be set
incorrectly. Ask your system
administrator for the correct settings.
Use the printer configuration list to
confirm the current IP address.
Are you using a proxy server? Certain proxy servers block access to
the printer.
Configure your Web browser so that it
does not use the proxy server or set
the address you want to access so
that it does not go through the proxy
server.
Cannot use a web
browser to manage the
printer.
Is the port number correct? The default port number is “80”.
Specify the correct port number.