Digital BW, The Print

Jerry, if it is in fact the circuit board failure that Arthur Entligh
(sp?)referred to, it will also show printing BO. When I had that
problem, the color inks would randomly fire even when I selected BO in
the driver. Like you, I never saw it at lower rez. Fortunately, mine
was still under warranty. Moved everything over the the replacement
printer and the problem never came back. 

Bob Michaels

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Jerry in Houston
<glewis4457@y...> wrote:
> I have had this problem, on and off, with my 1280 with
> the MIS CIS UT2 inkset.  For the first six months it
> was great and I was finally getting the kind of prints
> I had been looking for.  Then it started putting those
> narrow black/grey lines in a print.  I tried the clean
> cycles and the PURGE6 images from CIS.  Sometimes it
> actually got worse.  Right now, if I print at 360dpi
> it will print without the lines, but if I try 720 or
> 1440 the lines are back.  I am currently working
> around the problem by printing in BO as I get no lines
> there.
> 
> I have read somewhere that this is caused by a failure
> in the PC board inside the printhead which results in
> one or more nozzles being always on and not being
> controlled by the driver.  If true, it means the head
> is toast and the printer will have to be replaced. As
> a last effort I am going to remove the CIS and replace
> with the OEM inkset and see if this fixes the
> problem..... we shall see.
> 
> Jerry in Houston