Kyocera FS FS-1020D Operation Manual page 87

In DOS, enter the following commands:
C:\>MODE COM1:96,N,8,1,P
C:\>MODE LPT1:=COM1
To test the interface, enter the following:
CTRL P
C:\>DIR
CTRL P
The software settings made using the above procedures are temporary. On
most computers, permanent settings must be made with DIP switches.
B-13
RS-232C Cable Connection