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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)
100Mbps
Lit
10Mbps/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.
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