Homebrew PCBs

On Thu, 22 Feb 2007 00:42:21 +0100, Paul Sturpe <sturpe@...>  
wrote:

> I bought an Epson C84 to convert for direct printing.  It was
> adverstised as having a clogged print head.  I have read several
> articles on how to unclog the print head.  So far I have been
> unsuccessful, but it is still early in my process.
> The thought occured to me, however, that maybe the electronics driving
> the print head are bad.  How can I determine if the print head is in
> fact clogged or if it is something else.  Are there any voltages going
> to the print head that I can check during the print cycle?


Have you cleaned the parking pad and vacuum hose. If the hose is blocked,  
it looks just like a blocked head. The hose is usually blocked.

ST