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https://news.heidelbergusa.com/2017/06/check-and-set-rollers/

What other tests have you done. Ethanol is used for testing the cure of UV inks; while Methyl Ethyl Ketone (M.E.K.) is used to test the curing of UV varnishes. What does the rub test tell you, how many rubs are you getting with a 2lb/4lb weight. Have you done a Sutherland test. You dont say what...

Look at getting what is called a 'Banded Anilox' this will help you decide what anilox rollers you might need

Printing Supervisor usually approves colour at press and QA's role is to ensure that quality is maintained.

The amount of specialized equipment you will need to manufacture your own ink will be an enormous cost plus you will still have to find suppliers of vehicles varnishes and pigments. Better to contact reputable ink suppliers and have them install an 'ink room' in your facility

Its from an old Chambon Roller identification sheet. They never had one that described the roller stripe or Durometer, that you had to learn by yourself

Does your newer press roller train look anything like this. This is probably the same as your old Chambon The rollers marked W are water cooled

I am more familiar with the old cassette type press, the newer sleeve technology was a response to the Drent VSOP presses Eriks question was does the press have a Knurled Nylon roller to supply ink to the rollers or a rubber ink ductor. I expect your old Chambon has the knurled roller

Does your press have changeable heavy cassettes or lightweight Sleeves

No did not work for Chambon but have fairly extensive knowledge of this rather unique printing press

could you tell me the age of your Chambon press, Komori made a few changes when they took over Chambon so I wanted to know if this is a Pre Komori press. There is not any manuals or instruction material for Chambon presses believe me I have looked. I worked a Chambon for over 12 years and may be...

try draping some of this Tinsel on the feed section to ground out static. Install deionized air for sheet separation in feeders. Keep Humidity of paper area storage.

years back I printed a concert program for David Bowie that had a full face picture of him on the cover. His eyes were different colours and one pupil was bigger than the other. we waited for hours wondering what to do until the guy arrived to ok the job and he just said thats how his eyes are...

Have you checked your air supply to the press

Look up Backtrapping on Google and you will get lots of ideas on how to deal with this. Yours does not look as bad as some I have seen and a little bit of press maintenance and good wash up procedures may help reduce it a bit, it is a part of 'wet trapping' and sometimes its as good as it gets...

try and download the manual for the press you are buying it will give you an insight on how to set rollers, pack the press etc

http://premo-concept.biz/en/documents/Print-Media/Europe/Blanket_Tensioning.pdf Some reading material

we have a multicolour Komori with AMR. Loads plates. presets ink fountains pre inks and delivers around 100 printed sheets into delivery ready for closed loop scanning. Works well and as long as you have a good maintenance program to keep all your systems operating properly we have had not many...

I always loved this