[GreenKeys] Keyboard Contavts

[E.]

I believe these four contacts cut power to the printing unit whenever it’s pulled off of the base for maintenance.  Also, I think two of the contacts maintain the loop current when such happens... I vaguely remember this but not 100% certain.


> On Feb 28, 2026, at 2:35 PM, Tom Hunter <tomhenryhunter at gmail.com> wrote:
> 
> Jay
> 
> The eight contacts are keyboard contacts.
> 
> I don't know what the other four contacts are for.
> Maybe someone can tell us - I would like to know.
> 
> 
> Tom   N3CRK