Digital BW, The Print

Has anyone had problems with the "Yellow" or lightest gray in the UT 
set clogging. I've been having quite a problem with this one ink. I 
get good nozzle checks and then, half way through a print I can see 
the light gray fail somewhat. When I do another check the yellow has 
broken lines. I do a cleaning or two and then I might have a good 
check again. I can have a few prints and then again, the yellow clogs.
Is it the head or the ink? I'm using QTR with a 7500. I've seen some 
posts lately about the possible settling of pigment

John H

John:

I am currently battling the same problem except that my problem is so severe that the 
yellow never functions - currently about 10% of the yellow nozzles work and the pattern is 
consistent suggesting it isn't bubbles. I have already tried the windex on the pad trick and 
next up is windex in the input stem (after removing the yellow UT cartridge), all this on a 
2200.

Odd that the most dilute ink would be the one to clog - unfortunately I clearly don't have a 
solution for you but if either of us does, hopefully he will contact the other.

George


--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Mr_Misty_44" <jharvey@i...> 
wrote:

> Has anyone had problems with the "Yellow" or lightest gray in the UT 
> set clogging. I've been having quite a problem with this one ink. I 
> get good nozzle checks and then, half way through a print I can see 
> the light gray fail somewhat. When I do another check the yellow has 
> broken lines. I do a cleaning or two and then I might have a good 
> check again. I can have a few prints and then again, the yellow clogs.
> Is it the head or the ink? I'm using QTR with a 7500. I've seen some 
> posts lately about the possible settling of pigment
> 
> John H

I've had exactly the same problem with my 1280, using first the VM 
and then the original UT inks.

After I was away from home for a week, my yellow head clogged.  On 
the bottom jagged line of the test pattern, the first seven nozzles 
print, the next four don't, and the last one sometimes prints and 
sometimes doesn't.  I've tried everything--Windex, Fantastik, warm 
water flush, and MIS's cleaning fluid and cleaning carts.

Fortunately, there is an authorized Epson repair facility in the 
Seattle area (Computronics in Kirkland, WA). They say that when it 
gets this bad, they have a 30% chance of success cleaning the print 
head.  Otherwise, it's a new print head for about $144 (both parts 
and labor).  This includes a general checkout of the entire printer.

--Peter

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "george_w_barr" 
<george.barr@s...> wrote:
> John:
> 
> I am currently battling the same problem except that my problem is 
so severe that the 
> yellow never functions - currently about 10% of the yellow nozzles 
work and the pattern is 
> consistent suggesting it isn't bubbles. I have already tried the 
windex on the pad trick and 
> next up is windex in the input stem (after removing the yellow UT 
cartridge), all this on a 
> 2200.
> 
> Odd that the most dilute ink would be the one to clog - 
unfortunately I clearly don't have a 
> solution for you but if either of us does, hopefully he will 
contact the other.
> 
> George
> 
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Mr_Misty_44" 
<jharvey@i...> 
> wrote:
> > Has anyone had problems with the "Yellow" or lightest gray in the 
UT 
> > set clogging. I've been having quite a problem with this one ink. 
I 
> > get good nozzle checks and then, half way through a print I can 
see 
> > the light gray fail somewhat. When I do another check the yellow 
has 
> > broken lines. I do a cleaning or two and then I might have a good 
> > check again. I can have a few prints and then again, the yellow 
clogs.
> > Is it the head or the ink? I'm using QTR with a 7500. I've seen 
some 

> > posts lately about the possible settling of pigment
> > 
> > John H

I've had exactly the same problem with my 1280, using first the VM 
and then the original UT inks.

After I was away from home for a week, my yellow head clogged.  On 
the bottom jagged line of the test pattern, the first seven nozzles 
print, the next four don't, and the last one sometimes prints and 
sometimes doesn't.  I've tried everything--Windex, Fantastik, warm 
water flush, and MIS's cleaning fluid and cleaning carts.

Fortunately, there is an authorized Epson repair facility in the 
Seattle area (Computronics in Kirkland, WA). They say that when it 
gets this bad, they have a 30% chance of success cleaning the print 
head.  Otherwise, it's a new print head for about $144 (both parts 
and labor).  This includes a general checkout of the entire printer.

--Peter

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "george_w_barr" 
<george.barr@s...> wrote:
> John:
> 
> I am currently battling the same problem except that my problem is 
so severe that the 
> yellow never functions - currently about 10% of the yellow nozzles 
work and the pattern is 
> consistent suggesting it isn't bubbles. I have already tried the 
windex on the pad trick and 
> next up is windex in the input stem (after removing the yellow UT 
cartridge), all this on a 
> 2200.
> 
> Odd that the most dilute ink would be the one to clog - 
unfortunately I clearly don't have a 
> solution for you but if either of us does, hopefully he will 
contact the other.
> 
> George
> 
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Mr_Misty_44" 
<jharvey@i...> 
> wrote:
> > Has anyone had problems with the "Yellow" or lightest gray in the 
UT 
> > set clogging. I've been having quite a problem with this one ink. 
I 
> > get good nozzle checks and then, half way through a print I can 
see 
> > the light gray fail somewhat. When I do another check the yellow 
has 
> > broken lines. I do a cleaning or two and then I might have a good 
> > check again. I can have a few prints and then again, the yellow 
clogs.
> > Is it the head or the ink? I'm using QTR with a 7500. I've seen 
some 

> > posts lately about the possible settling of pigment
> > 
> > John H

Hi:

One reason why I went with the MIS GP inks is that they are epson ink 
compatible. I keep a set of epson carts, if I'm not going to use the 
printer for a while (and don't want to keep an outprint program 
going), I put in the EP carts, run several cleaning cycles with 
checks, and then turn the printer off. I had my heads clogg on a CF, 
so I learned the hard way. BTW I also keep a cleaning cart. and run 
it every several months.

The only clogg I had with the CF was after a 3 month nonuse of the 
printer due to illiness in the family. But then realized that filling 
carts for me is the answer as I just don't print enough to keep a CF 
happy.

Regards,

Jeff Lee