Lexmark 2380 - Forms Printer B/W Dot-matrix Service Manual page 22

Switches 6 and 7 - Parity:
Select the interface parity.
Switch 6
Off
Off
On
On
Note: When setting the "Ignore" for parity, the printer ignores the
received parity and transmits using even parity. For all other parity
settings, the transmitted parity matches the received parity.
Switch 8 - Stop Bits (Snap-On):.
Switch 8
Off
On
Switch 8 - Buffer Size (Gray and Black):
Selects the buffer size.
Switch 8
Off
On
1-10
Switch 7
Off
On
Off
On
Stop Bits
1 Stop Bit
2 Stop Bits
Buffer Size
Normal (2048 bytes)
Minimum (2 bytes)
Parity
No
Ignore
Odd
Even