Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@...> wrote:
>
> Well, if the tube is not disconnected at any point you should check
if the  
> pump is working.
> Either see if there is a vacuum with your finger during a cleaning
cycle  
> or insert some colored water and see if it is sucked away.

No need for colored water or rigging things so that you can run a
cleaning with the head unparked.

Just put enough (distilled) water or the cleaning solution on the park
pad sponge so it is very wet, run a cleaning cycle, and see if the
fluid is gone.

Steve Greenfield