Re: [Gimp-print-devel] Print plugin 3.0.6 bug report

[Robert L K. <rl...@al...>]

   Date: Sun, 20 Feb 2000 19:22:36 +0100
   From: "Stefan K. Berg" <sf...@co...>
   CC: gim...@li...

   Robert L Krawitz wrote:

   > Could you try a couple of other things?
   > 
   > 1) Try changing MODEL_MAKE_NOZZLES(64) to MODEL_MAKE_NOZZLES(24).
   > 
   > 2) At line 2447, the following appears:
   > 
   >               fprintf(prn, "\033.%c%c%c%c", 1, 8 * 5, 5,
   > 
   > Please change the "8 * 5" to "5" (not in quotes, of course).
   > 
   > 3) At line 2407, the following appears:
   > 
   >       if (escp2_has_cap(model, MODEL_1440DPI_MASK, MODEL_1440DPI_YES))
   > 
   > Please change it to
   > 
   >       if (escp2_has_cap(model, MODEL_1440DPI_MASK, MODEL_1440DPI_YES) &&
   >           ydpi > 720)
   > 
   > Let me know if anything changes in softweave mode.

   Yes indeed, this time I get output of about the right size but it
   looks very garbled. I've scanned the output of 720 DPI Softweave
   mode, which you will find at
   http://home.swipnet.se/consultron/scan1.gif (96 kB). The black ink
   has bled through my inkjet paper. Also, the printer made some
   strange noises when printing this - a quiet but noticable
   "whooshing" sound from time to time.

1) Could you try to identify which of the three changes made it work
   (try them one at a time)?  That would be extremely helpful.

2) It's apparent that the inter-row spacing (which is set to 8) is
   incorrect.  My suspicion is that the proper value should be 6, and
   that MODEL_MAKE_NOZZLES(48) is correct here.  This can be tested by
   changing MODEL_MAKE_SEPARATION(8) to MODEL_MAKE_SEPARATION(6).
   It's not impossible that the right value is 12 or even 16, though.

   Setting MODEL_HASBLACK_NO without applying your modifications above
   did nothing, I still got paper feeds. Setting MODEL_HASBLACK_NO
   with the above changes gave me rows of color each with different
   distances of each other but never less than 0.5 inch apart.

I didn't expect that this would have much effect.

-- 
Robert Krawitz <rl...@al...>      http://www.tiac.net/users/rlk/

Tall Clubs International  --  http://www.tall.org/ or 1-888-IM-TALL-2
Member of the League for Programming Freedom -- mail lp...@uu...
Project lead for The Gimp Print --  http://gimp-print.sourceforge.net

"Linux doesn't dictate how I work, I dictate how Linux works."
--Eric Crampton