"just a thought as you have used a old motherboard from a earlier machine is the pump settings been altered to match the type of pump fitted presuming the 300 can use the newer style pump.
other thing is the head missing the spit sponge and not…"
" Do you mean uncheck 'use embedded ICC......yes so it vw uses the vw profile not one that might be embedded in the pdf..
i am no expert on this but from experience customer has assigned a rich black which in some…"
"oh the joy off customer ready art work..
could try opening in your corel and saving as a eps to go to vw
in vw make sure that in
preset = what you normally use
specify profile - is not ticked "
"from what i see in that test print is the black cyan head is near the end of its usefulness as the black has to many defections.
the yellow looks to be contaminated by the magenta which may requires a new cap top + possible pipe work + possible pump…"
"i am guessing a few things to look at
what had you done just before this started.
air leak on joints
recirculating pump failing look for ink on the gear wheel of that pump
return ink line blocked so as the pump tries to recirculate the ink it…"
"thankfully and hopefully i will never have to buy another printer i should be retired by now but love what i do.
been a roland user for over 30 years don't think i would buy new one today too many design mistakes lately requiring big…"
"a drop of cleaning fluid but not to drip while fitting also make clicking the top bit on easier..
i have a vs and have a love hate relationship with that head system when its right its perfect one little thing wrong and it goes completely to pot.…"
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