QTR-Quadtone RIP

On the R2400 the paper thickness is linked to the paper type you
select in the driver. There is no longer a physical adjustment you can
make on the printer to adjust paper thickness.

Would it be possible to adjust this through QTR somehow? I see there
is a paper thickness setting somewhere in the CUPS PPD specification
linked to paper types, but can't see a way to set it directly.

I'd like to experiment with this to try to miniminze banding problems.

--- In QuadtoneRIP@yahoogroups.com, "danielstaver" <daniel@...> wrote:
>
> On the R2400 the paper thickness is linked to the paper type you
> select in the driver. There is no longer a physical adjustment you can
> make on the printer to adjust paper thickness.
> 
> Would it be possible to adjust this through QTR somehow? I see there
> is a paper thickness setting somewhere in the CUPS PPD specification
> linked to paper types, but can't see a way to set it directly.
> 
> I'd like to experiment with this to try to miniminze banding problems.
>

I'm wondering about the same issue on an 1800.  In the Epson driver there is access to a 
thick paper setting but I can't find an access in QTR.  I get very fine micro banding on 
glossies and it almost looks like the print head may be making contact with the paper.

This isn't quite general but the "Manual (Roll)" selection is set for
thicker paper.

Roy

On Tue, Sep 23, 2008 at 4:15 PM, robert49brake <robert49brake@...> wrote:
> --- In QuadtoneRIP@yahoogroups.com, "danielstaver" <daniel@...> wrote:
>>
>> On the R2400 the paper thickness is linked to the paper type you
>> select in the driver. There is no longer a physical adjustment you can
>> make on the printer to adjust paper thickness.
>>
>> Would it be possible to adjust this through QTR somehow? I see there
>> is a paper thickness setting somewhere in the CUPS PPD specification
>> linked to paper types, but can't see a way to set it directly.
>>
>> I'd like to experiment with this to try to miniminze banding problems.
>>
>
> I'm wondering about the same issue on an 1800.  In the Epson driver there is access to a
> thick paper setting but I can't find an access in QTR.  I get very fine micro banding on
> glossies and it almost looks like the print head may be making contact with the paper.
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>

Would it be possible to make setting available to set this directly?
Either in QTRgui or at least as a parameter to one of the command line
programs?

Paper thickness can have a huge effect on banding, and it would be
great to be able to adjust it directly.

--- In QuadtoneRIP@yahoogroups.com, "Roy Harrington" <roy@...> wrote:
> This isn't quite general but the "Manual (Roll)" selection is set for
> thicker paper.

And for us 4000 users, setting of platen gap would also be appreciated.


--- In QuadtoneRIP@yahoogroups.com, "danielstaver" <daniel@...> wrote:

>
> Would it be possible to make setting available to set this directly?
> Either in QTRgui or at least as a parameter to one of the command line
> programs?
> 
> Paper thickness can have a huge effect on banding, and it would be
> great to be able to adjust it directly.
> 
> --- In QuadtoneRIP@yahoogroups.com, "Roy Harrington" <roy@> wrote:
> > This isn't quite general but the "Manual (Roll)" selection is set for
> > thicker paper.
>

On the 4000 I'm pretty sure you can set the platen gap on the front
panel of the printer.

The R2400 and R1800 are a bit more vague as far as any adjustments for
paper thickness
or platen gap.  The Epson driver has a "thick paper" checkbox hidden
in a strange place but there's
no indication of what that does or how I could set it in QTR.  The
printer manual docs don't
mention paper thickness at all.  In general this is an area where each
printer does things
differently making it more difficult for a general solution.

Roy

On Wed, Sep 24, 2008 at 1:20 PM, milogiacomorambaldi47
<milogiacomorambaldi47@...> wrote:

> And for us 4000 users, setting of platen gap would also be appreciated.
>
>
> --- In QuadtoneRIP@yahoogroups.com, "danielstaver" <daniel@...> wrote:
>>
>> Would it be possible to make setting available to set this directly?
>> Either in QTRgui or at least as a parameter to one of the command line
>> programs?
>>
>> Paper thickness can have a huge effect on banding, and it would be
>> great to be able to adjust it directly.
>>
>> --- In QuadtoneRIP@yahoogroups.com, "Roy Harrington" <roy@> wrote:
>> > This isn't quite general but the "Manual (Roll)" selection is set for
>> > thicker paper.
>>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>

On the r2400 I'm pretty sure each paper type is using it's own paper
thickness setting. Banding can vary a lot if I change paper types.
Usually setting a thinner paper type will help.

I actually have to use the service utility and set PF adjustment
(horizontal alignment) to +20 to get rid of banding in QTR. On 0
(which works fine in the Epson driver) I get large dark overlapping
bands in QTR. The Epson driver still has less banding even with this
setting.

--- In QuadtoneRIP@yahoogroups.com, "Roy Harrington" <roy@...> wrote:
>
> On the 4000 I'm pretty sure you can set the platen gap on the front
> panel of the printer.
> 
> The R2400 and R1800 are a bit more vague as far as any adjustments for
> paper thickness
> or platen gap.  The Epson driver has a "thick paper" checkbox hidden
> in a strange place but there's
> no indication of what that does or how I could set it in QTR.  The
> printer manual docs don't
> mention paper thickness at all.  In general this is an area where each
> printer does things
> differently making it more difficult for a general solution.
> 
> Roy
> 
> On Wed, Sep 24, 2008 at 1:20 PM, milogiacomorambaldi47
> <milogiacomorambaldi47@...> wrote:
> > And for us 4000 users, setting of platen gap would also be
appreciated.
> >
> >
> > --- In QuadtoneRIP@yahoogroups.com, "danielstaver" <daniel@> wrote:
> >>
> >> Would it be possible to make setting available to set this directly?
> >> Either in QTRgui or at least as a parameter to one of the command
line
> >> programs?
> >>
> >> Paper thickness can have a huge effect on banding, and it would be
> >> great to be able to adjust it directly.
> >>
> >> --- In QuadtoneRIP@yahoogroups.com, "Roy Harrington" <roy@> wrote:
> >> > This isn't quite general but the "Manual (Roll)" selection is
set for

> >> > thicker paper.
> >>
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>

Roy,

Yes, the 4000 permits definition and recall of "custom paper
configurations" from the front panel.  However, these manual settings
override the driver configurations.  Why is this an issue?

Well... if you routinely switch between QTR/B&W and Epson/color... and
use different papers/thicknesses/platen gaps for B&W and color... then
you must be *very* careful to keep your wits about you and make sure
that you have the correct manual (for QTR/B&W) or driver (for
Epson/color) settings before pulling the trigger.

I guess what we'd like is the ability - within the QTRgui interface -
to specify paper thickness and platen gap... much as we can now
specify paper size, media source, media type, resolution, speed, and
black ink.

If we could *completely* specify the QTR configuration as a "preset" -
similar to what we normally specify to the Epson driver as a "custom
setting" - then we could avoid the 4000 front panel interface
altogether - which would be a Good Thing.  This would simply be
another small step forward toward making the entire B&W/color workflow
nearly seamless and error free.  The fewer goofy parameters we must
regurgitate - print after print - the better, don't you think?

TIA for your consideration of these suggestions.

Michael Miller (MiloGiacomoRambaldi47, Atlanta, GA)



--- In QuadtoneRIP@yahoogroups.com, "Roy Harrington" <roy@...> wrote:
>
> On the 4000 I'm pretty sure you can set the platen gap on the front
> panel of the printer.

> Roy
> 
> On Wed, Sep 24, 2008 at 1:20 PM, milogiacomorambaldi47
> <milogiacomorambaldi47@...> wrote:
> > And for us 4000 users, setting of platen gap would also be
appreciated.