Digital BW, The Print

After some initial problems, I'm also running the Eboni black in my 
1160 without clogging or banding.

Chris Hargens


 --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "John/Julie 
Gittins" <jgittins2@m...> wrote:
> Alessandro,
> 
> Good to hear that that things cleared up quickly.
> 
> I'm about to replace an FS/FSN black cart with one I ordered from 
MIS 
> after the date that they announced a switchover of all their 
pigment blacks 
> to Eboni. When I called to ask if the cart I received was really 
Eboni (it's 
> labelled "FSN"), they said they didn't know because the old inks 
are 
> being replaced piecemeal, and that the only way to tell is by the 
smell 
> of the ink in the cart. I'm guessing Eboni smells different than 
FS/FSN-K
> because it doesn't have the strong-smelling co-solvent. And I'm 
hoping 
> for no smell plus no-gap nozzle-checks when I put the mystery K 
cart.
> 
> John
> 
> ---- Original Message ----- 
>   From: Alessandro Pardi 
>   To: 'DigitalBlackandWhiteThePrint@yahoogroups.com' 
>   Sent: Tuesday, April 15, 2003 4:15 AM
>   Subject: RE: [Digital BW] RE: UltraTones - what to do?
> 
> 
>   John,
> 
>   switching from OEM to Eboni carts is what I just did on my 1160 
(see my
>   latest post), and the reason I put the OEM inks is was exactly 
clogging.
>   Just after switching carts I ran a nozzle check and the black was 
really
>   horrible (about 50% missing), whereas the "grays" still were 
mostly C, M and
>   Y, but a single nozzle clean made the printer ready. Four more A4 
prints
>   yesterday evening, and all is (still) well...
> 
>   Alessandro
> 
>   -----Original Message-----
>   From: John/Julie Gittins [mailto:jgittins2@m...]
>   Sent: martedì 15 aprile 2003 4:55
>   To: DigitalBlackandWhiteThePrint@yahoogroups.com
>   Subject: [Digital BW] RE: UltraTones - what to do?
> 
> 
>   On 04/14/2003, Paul Roark wrote:
> 
>   >What MIS has found is that if Eboni black (a very "high load" 
pigment ink)
>   >is mixed with dye ink, the viscosity goes way up -- it will not 
print.  I
>   >think if there was some Gen 4 Enhanced black (25% dye) in a 
CIS/CFS before
>   >the Eboni was added, the system would clog.
>   >
>   >So, when switching to Ultra Tone B&W ink with Eboni black, one 
must use a
>   >new CIS/CFS cartridge.  In large format printers that have had 
any dye in
>   >the black, the system must be flushed.
> 
>   Paul,
> 
>   That mixing Eboni-K with some dye ink can likely result in clogs 
>   seems a very important finding. Do you feel MIS has checked out 
>   this connection sufficiently so that we can reliably expect large 
>   viscosty increases whenever these 2 kinds of ink are mixed? For 
>   instance, if someone using Gen4 enhanced-K in pre-filled carts 
>   switched over to Eboni in pre-filled carts (just as they would 
>   have when starting up with MIS FS-K after having used EPS OEM-K 
>   in their printer), would the extra-viscosity effect be likely to 
>   occur? 
> 
>   If the answer is "Yes" (and, hopefully, it isn't), then the 
>   clog-clearing trick of sticking in EPS OEM dye carts might not 
work 
>   with Eboni; it might, indeed, make things worse. (Would running 
>   purge cycles with cleaning carts, then, be the only way to keep 
>   Eboni-K and dyes separate?)
> 
>   <snip> 
>   Regards,
>   John               
> 
> 
> 
> 
>   [Non-text portions of this message have been removed]
> 
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