Digital BW, The Print

--
Phil

---- john castronovo <jc@...> wrote: 
> Ben, this is why manufacturers of the highest quality third party inks 
> go to great lengths to match the manufacturer's ink viscosities. If 
> that's done, then no further calibration or head angles and such is 
> needed beyond the normal tasks of setting up to print with 
> manufacturer's inks like establishing ink restrictions, linearization, 
> ink limits and profiling.
> 
> ----- Original Message ----- 
> From: "benjschneider2"
> 
> Maybe not a conspiracy.  I read on some forum recently, I read so many, 
> that all inks are not created equally, and do not work as well as OEM 
> inks in Epson printers.  It has to do with how the inks come out of the 
> nozzles and deflections in the spray pattern.  The person who wrote the 
> posting said it had to do with testing the heads during the 
> manufacturing process, and assigning codes to them, and applying that 
> code to the firmware that runs the printer.  This code makes the printer 
> work properly with that head, with the OEM inks only which have a known 
> quality.  If the consistency of the ink is changed, the head can have 
> deflections which can cause banding.
> 
> This posting may have been on the Epson WF group.
> 
> The posting went on to say that the nozzle check with 3rd. party inks 
> will print fine, yet banding will show up in prints.  Also stated that 
> no amount of head cleanings will clear this banding.
> 
> I found it to be true with my Epson 9500.  Prints great with OEM inks, 
> but when I tried the MIS ink, I had micro-banding, and strange patterns 
> in the dark smooth toned areas of my prints.  Go back to the OEM and 
> everything is fine again.  NUTZ!  I wish it weren't so, but it sure 
> seems to be.
> 
> As a last note, this posting went on to say that this was the reason
> Epson wants to keep control of their printer head sales.  They did not 
> want to release the information on how to correct for this code on their 
> printers and give other manufactures their secrets.
> 
> 
> 
> ------------------------------------
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