> I guess:
> Host Print Transform has trailing garbage in the packets
> and scs2acii strips it??

No, the "trailing garbage" is actually the SCS data stream itself.

>
> I wasn't aware  Host Print Transorm sent scs data.
>

Yeah, what the system does is send the SCS opcode called "transparent"
which tells the SCS interpreter "the data following this should be sent to
the printer as-is."  And then it puts the actual printer language in the
"as-is" portion.

So, the "extra garbage" that you were seeing was undoubtedly the SCS
control characters used to express things like "start transparecy" "length
of transparency" and other things like "end of document."  (Or something
similar to that)

scs2ascii understands the SCS data, and then only sends the transparent
data to the printer.

Hope that makes sense...


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