Head Check Selection (DSW2-3). When selected, the printer will check for head
elements that are electrically malfunctioning.
Hex Dump Selection (DSW2-4). Selects Hex Dump mode (see page 37).
Receive Buffer Selection (DSW2-5). Selects the operating mode of the receive
buffer. See Section 5: Interface Specifications for more information.
Firmware Download (DSW2-6). Places the printer in the Firmware Download
mode for downloading new firmware into flash ROM.
Protocol Code Selection (DSW2-7). Selects the command codes used for protocol
control.