Troubleshooting
- 359 -
Communication is not stable
Cause Solution Reference
The RSSI value is too small.*
Above
The signal strength is insufficient.
Put this machine in an unobstructed view position near the
wireless LAN access point. (The recommended distance is
30 m or less.)
Do not place an electric appliance (especially microwave
oven or digital cordless telephone) that emits weak
electronic waves near this machine.
It may be difficult to connect if there is a metal, aluminum
sash or reinforced concrete wall between this machine and
the wireless LAN access point.
-
The current frequency band is
congested.* Above
[Band] displays the current frequency band to which this
machine is connected.
This machine is compatible with the 2.4 Ghz/5.0 GHz band.
If the wireless LAN access point is compatible with the 2.4
GHz/5.0 GHz band, try changing the connecting frequency
band of the machine (or changing the SSID settings).
Connecting via
an access point
(Infrastructure)(
Able to connect to the access point but unable to communicate
Cause Solution Reference
The IP address is in the same
segment as the one on the wired
Since the communication may be unstable if the wired LAN
and wireless LAN are connected to the same subnet,
please connect to a different subnet.
-
The setting of the enabled default
gateway is wired LAN instead of
wireless LAN.
To communicate with a terminal outside the segment via a
wireless LAN, press the scroll buttons on the operator
panel to select [Admin Setup] - [Network Setup] - [General
Setup] - [Enabling Default Gateway] and set it to
[Wireless(Infrastructure)].
In that case, the wired LAN cannot communicate with
terminals outside the segment.
*You can check from [General Information] - [Enabling
Default Gateway] in Network Information.
Connecting via
an access point
(Infrastructure)(
Unable to connect to a wireless LAN (AP mode)
First, print out the Network Information, and then check the following explanation while having a look at items
numbered
to in the following figure in Wireless (AP Mode) Information.
Network Information can be printed from [Print Information] - [Network].
Terminals cannot connect
Cause Solution Reference
[Wireless] is not selected in the
[Extended Network] settings.
Select [Admin Setup] - [Network Setup] - [General Setup] -
[Extended Network] - [Wireless].
Connecting
directly with this
machine (AP
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