Gasboy CFN Series Diagnostic Manual - Manual (Page 297)

Standalone Receipt Printer
0021 8-5
Star Printer Jumpers - Main Logic Board
The Star printer's Main Logic Board has two jumper patches SW5 and SW6. Both are set at the
factory and need to be changed only if installing the RS-422 Interface Board.
SW5 and SW6
Star Printer LED's and Operating Controls
The Star printer has three external LED's and two buttons. The LED's and buttons perform the
following functions:
Star Printer Switches
The serial Star printer has four switch banks (DSW1
through DSW4) which are accessible by removing the
bottom cover. The parallel Star printer has only two
switch banks (DSW1 and DSW2).