TM
U6&U8 : Font and BIOS socket
This socket is used to install BIOS and character font. Each type of printer requires different BIOS and character font. For example, the BIOS for friction type mechanism and the BIOS for sprocket type mechanism are different.
CHAP. 4
TECHN…
JUMPERS & SWITCHES
Jumper Setting (Interface Select)
INTERFACE | JP3 JP4 | JP14 | JP15 | |
SERIAL PORT | OPEN | SHORT | ||
PARALLEL PORT | OPEN |
When using either interface, the connector of the other interface must be disconnected. DIP SW3 and DIP SW4 have to be turned off when parallel interface is used.
Serial Interface Switch
DIP - SW1
Switch | Function | ON | OFF |
Data transmission |
|
| |
Rate (baud rate ) | See next table |
| |
|
|
| |
Not used |
|
| |
Hand shake | DTR mode | ||
Data bit | |||
Parity check | No parity check | Parity check | |
Parity selection | Odd parity | Even parity |
4 - 4