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LED Functions
The tables below explain how to interpret LED indications.
1. Wired LAN transmission speed
2. Wired LAN connection/transmission status
3. Wired/Wireless LAN status
Transmission speed LED (green)
100 Mbps Lit
10 Mbps/Not connected Unlit
Connection status LED (yellow)
Connected Lit
Not connected Unlit
Data transmission in
progress
Flashing
Connection status LED (green) LED (red) Description
No printer connection Unlit — Board is not connected with a printer.
Printer
connection
No network
connection
Lit Unlit Board is connected with a printer.
Connected by
wired LAN
Lit Flashing
(1-second cycle)
Getting an IP address from the DHCP
server over wired LAN.
Wired LAN
operation
Lit Lit Network operation being performed over
wired LAN.
Connected by
wireless LAN*
Flashing
(2-second cycle)
Flashing
(1-second cycle)
Connecting to an access point or getting
an IP address from the DHCP server over
wireless LAN.
Wireless LAN
operation*
Flashing
(2-second cycle)
Lit Network operation being performed over
wireless LAN.
Resource error Alternate flashing
(1-second cycle)
Board is unable to operate normally.
System error Alternate flashing
(0.2-second cycle)
Board is unable to operate normally.
*: Only when using wireless LAN
1
2
3
1
2
3
Ethernet Wireless LAN Ethernet / Wireless LAN
USB host model
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