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Digital BW, The Print

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Re: Clogging behavior

2004-05-29 by Scott Graham

Interesting

Epson told me to leave mine on, to save ink from excess cleaning cycles on start up. Said 
the head is just as protected on as off.

A bit early to tell, but my new 4000 seems to clean after a while idle anyway.

Scott

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "edrudolpho" <erudolph@p...> 
wrote:
> Hi... as I've said before in this group, I'm new to the world of digital b&w printing.  
> Just a reminder to those who don't recognize my name  :-)
> 
> I've been happily printing with UT7 on a 2200 for a couple of weeks now.  Tonight, I 
> made a print that was unexpectedly high in contrast and was quite yellow too.  Sort of 
> a split-toned effect with its blacks being blue.  I tried another image, one that I'd 
> printed last week, and got the same result, so did a nozzle check.
> 
> The light cyan cart appeared to be completely absent, so I did a series of head 
> cleanings and nozzle checks.... which brings me to my question.
> 
> I expected the checks to get progressively better with each cleaning cycle, but they 
> didn't.  Rather, the clogged head would get better, I'd get a near perfect check, run 
> one more cleaning cycle, and suddenly another color would be partially missing.  In 
> this erratic way, after 6 or 7 cycles, I finally got a good nozzle check.  Is this sort of 
> clogging behavior normal?  What might it indicate?  And is this a good time to ask for 
> a link to procedures that may minimize clogging.  For example, I've been leaving my 
> printer on.  However, I've just returned and received a replacement for an R800 
> because of an unclearable clog and during this process Epson tech support advised 
> me to always turn the printer off, even if out of use for as little as 20 minutes.  So I 
> began applying that principle to the 2200 as well.  Perhaps turning it off precipitated 
> this clog?
> 
> any comments, advice, links, etc., appreciated
> Ed

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