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Faded lines in print
When we print solid colours we are getting slight streaks in the print across the whole sheet every couple of feet. just like week faded lines
SP 540 with Eco Max inks. Any ideas ? -
6 Replies
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ink feed or dampers a possibility or vinyl being contaminated as it rests on a roll holder bar at the back, some time thought it could be static.
but if it is regular like every 600mm then probably the vinyl its selfchris
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Martin
It is looking like ink starvation or a fault on the media. Are the faded lines appearing at regular intervals or not.
If it is ink starvation it could be a number of reasons.
mod-edit
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I might be barking up the wrong tree here because I don’t know your machine. I found a similar problem on the rocky 38. The plastic feet that hold the vinyl down don’t lay down correctly on long prints causing a dodgy dis-coloured print.
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well it sounds like you’re getting the exact same problem as me, and i’m currently still talking to Roland about resloving this but we still haven’t been able to determine exactly what causes it.
I’ve come to refer to this problem as ‘dropout banding’ on our eco sol max sp 540v, it doesn’t happen at regular intervals, just as and when and it has happened to me on every type of media.
on our machine it’s most noticeable with magenta and cyan flood coat colours. i’ve seen it happen on yellow print but you don’t really notice it as much
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other possibility is to slow the head speed down a bit and in colour rip you can add a delay to each pass thats if you think its starvation.
might prove a point
chris
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Chris, we’re using versaworks, think i’ve tried testing this at all speeds and never cured it. I think i’ve tried just about everything, we’re even levelling the printer up with spirit levels just so we’ve tried everything.
I think the guys at Roland are intending to swap some heads to see if it solves the fault.
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