Installation 
EST3 Installation and Service Manual  5.47 
Printing Power  120 VA 
 
 
Switch DIPSW factory settings (located on main board) 
SW1  SW2 SW3 SW4 SW5 SW6 SW7 SW8 
OFF 
(English) 
OFF 
(English) 
OFF 
(English) 
OFF 
(11-in form) 
ON 
(11-in form) 
OFF 
(auto LF off) 
ON 
(8 bits) 
OFF 
(enable front 
panel) 
 
Switch SW1 factory settings (located on serial board) 
 
Switch 
Factory 
Setting 
 
Description 
SW1-1  OFF  ON: Odd parity 
OFF: Even parity 
SW1-2  OFF  ON: No parity 
OFF: With parity 
SW1-3  ON  ON: 8 bits 
OFF: 7 bits 
SW1-4  OFF  ON: Ready/Busy protocol 
OFF: XON/XOFF protocol 
SW1-5  ON  ON: Circuit test 
OFF: Monitor test 
SW1-6  ON  ON: Print mode 
OFF: Test mode 
SW1-7, -8  ON,ON  OFF,OFF: SSD Busy 
OFF,ON: SSD Busy 
ON,OFF: RTS Busy 
ON,ON: DTR Busy 
 
Switch SW2 factory settings (located on serial board) 
Switch Factory Setting Description 
SW2-1, -2,  
-3 
OFF,OFF,ON  OFF,OFF,OFF: 110 bps 
ON,OFF,OFF: 300 bps 
OFF,ON.OFF: 600 bps 
ON,ON,OFF: 1200 bps 
OFF,OFF,ON: 2400 bps 
ON,OFF,ON: 4800 bps 
OFF,ON,ON: 9600 bps 
ON,ON,ON: 19200 bps 
SW2-4  OFF  ON: DSR active 
OFF: DSR inactive