TurboPrint & PrintFab

Took some time, but I checked things again. I installed an other ghostscript with no changes.
I made a color card with all RGB and CMY colors. Only in RED I can';t see the lines, geen blue and cyan are bad.
Another check on XP, no lines there at all.
With TP I tried canon PP101 profile at 2400bits ...

Hello,

The lines are perpendicular to the head movement (so in the direction the paper moves).
On XP I print with the canon easy print software, on Ubuntu with GIMP with the turboprint plugin. Does that use Ghostscript?
The vague horizontal lines may have something to do with ink quality, does it ...

Hi,
I have a ip4500 on UBUNTU Hardy.
Printing with turboprint 2 shows vertical lines about 2 cm from the left margin for about 1 cm. Sometimes also horzontal line show up.
When I use the Canon driver on XP with the same ink and paper, the result looks much better, only when you look very carefully ...

The just given procedure doesn't work for me. The only way to get 4x6 prints borderless is to make a new printer with xtpsetup and set the gimp printing on that new printer, page size on A4 borderless and decrease manually the image to 4x6 on the A4 page.
Other options (e.g. both 4x6) gives just a ...