Bug#122415: gs vertically misaligns printed output

[Jonathan Nieder <jrnieder@gmail.com>]

tags 122415 - moreinfo
tags 122415 + upstream
reassign 122415 ghostscript
found 122415 ghostscript/6.51-5
quit

Hi,

Richard Kettlewell wrote:

> Oops, my apologies, I should have put that in the original message.
> The gs command line is:
>
> gs -sDEVICE=stp \
>         -sModel=escp2-660 \
>         -sQuality='360dpi' \
>         -sInkType='CMYK' \
>         -sMediaType='Plain' \
>         -sPaperSize='A4' \
>         -sPAPERSIZE='a4' \
>         -sDither='Adaptive' \
>         -dImageType=0 \
>         -r360 \
>         -q -dSAFER -dNOPAUSE -dBATCH -sOutputFile=- -
>
> The paper is indeed physically A4 paper, and the printer is an Epson
> Stylus Color 660.
>
>>> You can, hopefully, make out what I mean in the photo at:
>>> 
>>> http://www.greenend.org.uk/rjk/junk/gsbug.jpg
>> 
>> Just got a timeout...
>
> It should be working now.

Hmm, there was some work in this area recently upstream, but for HP
printers.  So I find this bug quite believable. :)

Anyone can debug this; it shouldn't require an Epson printer.  The
ESC/P2 language is documented at
http://web.archive.org/web/*/http://www.epson.co.uk/support/manuals/pdf/ESCP/Part_1.pdf
http://web.archive.org/web/*/http://www.epson.co.uk/support/manuals/pdf/ESCP/Part_2.pdf

Thanks for reporting.
Jonathan