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Cause Checking method Corrective measure
No Power -
-
Check if the power switch is
turned on.
Check if the power cable is
connected correctly.
-
-
Turn on the power switch.
Connect the power cable correctly.
LAN cable is not
connected correctly
- Check if the cable is connected
to the connector securely.
-
-
Connect the cable completely.
If the cable is connected,
disconnect and reconnect it.
LAN cable is
disconnected
-
-
Check if communication can be
made when the LAN cable is
connected to another host or printer.
Check if the ping command to
the device is effective.
- Use another LAN cable.
Network system is
faulty
- Check if the LP-1020 operates
by the ping command
transmitted from the host.
- Please consult a system
administrator.
IP address is not
specified correctly
-
Check if the setting value of the
device is the same as the IP
address assigned by a system
administrator.
- Specify the correct IP address.
Subnet mask is not set
correctly
- Check if the setting value of the
device is the same as the subnet mask
assigned by a system administrator.
- Specify the correct subnet mask.
Routine table is not set
correctly
-
-
Check if the setting value of the
device is the same as the IP router
address assigned by a system
administrator.
Check if the address in the
network system to be connected
is correct.
-
-
Specify the correct IP router
address.
Specify the correct network
address to be connected. (If it is
unknown, set default route value
000.000.000.000.)
Connections are made,
exceeding the maximum
number of simultaneous
connections of the device
(Max. 10 users)
- Check if multiple hosts use the
device simultaneously.
- Adjust the number of users that
use the device simultaneously.
IP address already used
by other equipment is
set. (Duplicated use of
IP address)
- Ask the system administrator for
confirmation.
- Specify the correct IP address.
IP address that was used
immediate-previously
by other equipment is
set
- Ask the system administrator for
confirmation.
- Because the address of original
equipment is cached in the host or
relay units such as switches, clear
the cache table in such units.
Troubleshooting for ethernet
■When no communication can be made