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Need Help HP FB550 - bad quality

aluzen

New Member
Hi guys,
I'm asking for help

We have HP FB 550 with CMYK + W configuration and what`s trouble us is a bad quality of printing.
When we are useing Photoprint Plus mode with media for example self adhesive vinyl result is bad (added example)

We checked lots of RIP combinations, materials and printing modes but still cant get of this grain effect.

Today we`ve changed UV bulbs but after few B1 size tests we`ve recived an attention message (no current on UV lamps)

Any help would be welcomed

Thanks for your time guys, reading this
 

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