[GreenKeys] Model 15 Keyboard Communication Problem

[Jim Cooper]

On 24 Mar 2021 at 22:30, AA6RK via GreenKeys wrote:

> The shaft on the keyboard
> reacts properly when the typing keys are struck, BUT the printer
> doesn't print with the key strokes. 

it doesn't print, but does the printer part 
DO ANYTHING after you press a key? 

if it does nothing, then either the kbd contacts 
are not in the loop, or for some reason they are 
shorted ...