Furuno INMARSAT-C MOBILE EARTH STATION FELCOM 12 - Manual (Page 27)

1-3
Printer PP-510 (optional supply)
The printer prints transmitted and received messages. The POWER
switch is on the right side of the unit. A lamp on the switch lights
when the power is on. If the paper is set correctly the ON LINE lamp
also lights. When both these lamps are lit the printer is ready to print
information received from the terminal unit. For further details, refer
to the operator's manual of the PP-510.
Figure 1-3 Printer PP-510