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Rastek H652/650 white ink slow to purge

IvanDD

New Member
Hey guys!

I've been working with this printer for several years now. You always have to purge the heads before printing, and while white purges just like the rest it takes a little bit more effort to get the white acceptable. Thats always been the case.

However, now when purging white takes A LOT more purging to get it to drip. And when it does, it then takens even longer for the white to clear up. It eventually will clear up but this who "getting it drip fully" issue is tacking on a ton of time to startup.

Is this a misting issue? The print head temp is where it should be. Idk whats changed.

Again, it's always a pain to get white going, but now it taking a ton of purging just to get it to start dripping.

Thanks!
Ivan
 

alevit53

New Member
We found that the lines from the pumps were clogged on our flatbed. Also found buildup and clogs in the sub tanks above the heads. It's messy, but you can use flush, disconnect both ends and flush it out.
 
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