1 - Seiko I Infotech Inc.
1 - Seiko I Infotech Inc.
1 - Seiko I Infotech Inc.
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Troubleshooting for ethernet<br />
■When no communication can be made<br />
Cause Checking method Corrective measure<br />
No Power -<br />
-<br />
Check if the power switch is<br />
turned on.<br />
Check if the power cable is<br />
connected correctly.<br />
-<br />
-<br />
Turn on the power switch.<br />
Connect the power cable correctly.<br />
LAN cable is not<br />
connected correctly<br />
LAN cable is<br />
disconnected<br />
Network system is<br />
faulty<br />
IP address is not<br />
specified correctly<br />
Subnet mask is not set<br />
correctly<br />
Routine table is not set<br />
correctly<br />
Connections are made,<br />
exceeding the maximum<br />
number of simultaneous<br />
connections of the device<br />
(Max. 10 users)<br />
- Check if the cable is connected<br />
to the connector securely.<br />
-<br />
-<br />
Check if communication can be<br />
made when the LAN cable is<br />
connected to another host or printer.<br />
Check if the ping command to<br />
the device is effective.<br />
- Check if the LP-1010 operates<br />
by the ping command<br />
transmitted from the host.<br />
-<br />
Check if the setting value of the<br />
device is the same as the IP<br />
address assigned by a system<br />
administrator.<br />
- Check if the setting value of the<br />
device is the same as the subnet mask<br />
assigned by a system administrator.<br />
-<br />
-<br />
Check if the setting value of the<br />
device is the same as the IP router<br />
address assigned by a system<br />
administrator.<br />
Check if the address in the<br />
network system to be connected<br />
is correct.<br />
- Check if multiple hosts use the<br />
device simultaneously.<br />
-<br />
-<br />
Connect the cable completely.<br />
If the cable is connected,<br />
disconnect and reconnect it.<br />
- Use another LAN cable.<br />
- Please consult a system<br />
administrator.<br />
- Specify the correct orrect IP<br />
address.<br />
- Specify the correct subnet mask.<br />
-<br />
-<br />
Specify the correct IP router<br />
address.<br />
Specify the correct network<br />
address to be connected. (If it is<br />
unknown, set default route value<br />
000.000.000.000.)<br />
- Adjust the number of users that<br />
use the device simultaneously.<br />
IP address already used<br />
by other equipment is<br />
set. (Duplicated use of<br />
IP address)<br />
IP address that was used<br />
immediate-previously<br />
by other equipment is<br />
set<br />
- Ask the system administrator for<br />
confirmation.<br />
- Ask the system administrator for<br />
confirmation.<br />
- Specify the correct IP address.<br />
- Because the address of original<br />
equipment is cached in the host or<br />
relay units such as switches, clear<br />
the cache table in such units.<br />
14-46
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