Ricoh M281 Series Service Manual page 143

Rev. 08/09/2016
What Do the LED Indicators Mean?
When this option is properly installed and recognized by the main machine, the LED indicators
light up under the following conditions.
No.
1 Green and Yellow
2
3
⇒
SM
USB Device Server Option Type M19 (D3BC-28, 29)
LED Color
1000BASE-T operates.
Green 10BASE-T operates.
Yellow 100BASE-TX operates.
2-115
Lights Up When:
D255/D256/M281/M282