Somebody asked about printer cable wiring and I mis-placed his
name/address, so please excuse the use of band width.
 
 
 
Printer Cabling
 
This is the wiring that worked for me on many PC's and printers.
 
Hope it works for you.
 
Some of the wires may be unnecessary, but they are there to
make the cable symmetrical or whatever.
 
Pin
 
1    -   1  frame ground
2    -   3
3   -   2
4   -   6
5   -   20
6   -   4
7   -   7
12  -   19
19  -  12
20  -   5
 
Good luck
 
NMD