QTR-Quadtone RIP

Update: Turns out the print head needed to be replaced. Now it's 
working fine.

Thanks to all for the tips ...

Mark 

--- In QuadtoneRIP@yahoogroups.com, "dlruckus" <dlruckus@...> wrote:
>
> The towel under the head cleaning described is fine. To clean Inside
> the head, you can actualy print rather than do a transport flush as
> described. Using a cleaning cart (from Mis or other supplier), just 
go
> get a banner paper roll and using the banner paper and the cart 
print
> about 9ft(or until no color shows) through the proper spot eg:LK. 
That
> will empty the ink lines and head and put the cleaning solution into
> the head. Let it set awhile to soak and then put your LK cart back 
in
> and repeat the printing to get ink back into the lines and head. 
That
> should flush out stuff inside. I, personaly, just loaded a cart with
> 1:10 clear household ammonia(Not soapy or perfumed stuff) and
> distilled water and used that on my 7000 to do this. It worked just 
fine.
> 
> Regards
> Duane
> 
> 
> 
> --- In QuadtoneRIP@yahoogroups.com, "mccarvill" <espresso_forte@>
> wrote:
> >
> > 
> > Thanks for the feedback, folks.
> > 
> > I've done the full set of head alignments, using the printer 
panel (no
> > change), the software driver (no change) and the printer utility 
(no
> > change).
> > 
> > And I've had an even blurrier print using the Epson driver, so I
> > don't think it's the QTR curve.
> > 
> > I've also adjusted the platen gap and again no change.
> > 
> > My Epson service rep recently gave me some head cleaning liquid, 
which
> > I've used just now to soak the capping station sponge and park 
the head
> > overnight.
> > 
> > Still, I suspect the head will need some direct cleaning, since my
> > printer was a demo unit that was parked on the showroom floor for 
3
> > years with only intermittent use, so I imagine there's some dried
> > ink in there. But before I clean the head I will consult with the
> > service rep because I don't want to risk damaging it.
> > 
> > I found some instructions on how to clean the head here 
> > <http://www.piezography.com/support/printhead_cleaning_tips.htm> -
 (Tip
> > #6)
> > 
> > I gather these are as good as any?
> > 
> > Thanks again,
> > 
> > Mark
> > 
> > 
> > --- In QuadtoneRIP@yahoogroups.com, "dlruckus" <dlruckus@> wrote:
> > >
> > > It's a bit hard to tell onscreen but it does appear that there 
is
> > > spatter occurring. I would try cleaning the underside of the LK 
head
> > > using the techniques listed in the wide format groups archives 
and
> > > putting windex w/ ammonia d on it's cap station and leaving it 
set
> > > awhile before a couple of cleaning cycles, to see if that 
helps. It
> > > takes very little jet deflection to create problems like what 
you seem
> > > to have. It could be nothing more than ink buildup under the 
head.
> > >
> > > Regards
> > > Duane
> > >
> > >
> > >
> > >
> > > > > -----Original Message-----
> > > > > From: QuadtoneRIP@yahoogroups.com
> > > [mailto:QuadtoneRIP@yahoogroups.com] On
> > > > > Behalf Of mccarvill
> > > > > Sent: Tuesday, September 19, 2006 11:33 AM
> > > > > To: QuadtoneRIP@yahoogroups.com
> > > > > Subject: [QuadtoneRIP] Blurry test print from 7600
> > > > >
> > > > >
> > > > > I've just started testing my 7600 / UT7 / QTR combo and, as 
you
> > > can see
> > > > > here <http://www.stepwise.ca/7600%20blur%20QTR.jpg> , the 
lines on
> > the
> > > > > step wedge are blurry. By contrast, the exact same file 
prints
> > razor
> > > > > sharp with my 1280 / UT2 / QTR setup.
> > > > >
> > > > > I'm testing using EEM, 1440 super / high, and the 2200 warm 
EEM
> > curve
> > > > > modified for the 7600 (i.e. lowered default ink limit to 50 
from
> > 70).
> > > > >
> > > > > What I've tried: Nozzle checks are perfect and, in the 
nozzle
> > check
> > > > > printouts, the text showing ink and maintenance tank info is
> > > sharp. Head
> > > > > alignment already done, via the printer panel. And I've 
tested and
> > > > > calibrated the paper thickness for EEM.
> > > > >
> > > > > Not sure what else to try. Any ideas?
> > > > >
> > > > > Thanks
> > > > >
> > > > >
> > > > >
> > > > > [Non-text portions of this message have been removed]
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Yahoo! Groups Links
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > >
> > 
> > 
> > 
> > 
> > [Non-text portions of this message have been removed]
> >
>