Recent content by gkwallace

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    SM52 early sheet

    I think I figured it out. The head suckers were set, with the set screw on the bar, angled a little too far forward (away from the press). This changed the timing of the sheet to the feed rollers slightly. The feed rollers were also a little loose (compared to the timing). Fixing this allowed me...
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    SM52 early sheet

    I'm not sure what I did different, but the indicator on the feeder panel says the sheet is really early. The panel at the delivery says early. The press runs great and register is dead on. I use the knob on the non op feeder panel to adjust and nothing changes. Any ideas?
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    Error Code E4e03 ptr4300s

    Swapped boards 3 and 4 and seems to be working. I was able to make a few plates with all 32 diodes, but then got the correct error that diode 29 is bad. Runs with diodes 0-15 fine. I'll keep my fingers crossed.
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    Error Code E4e03 ptr4300s

    I'm swapping boards right now
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    Error Code E4e03 ptr4300s

    Error Code E4e03
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    Error Code E4e03 ptr4300s

    PTR4300s Platerite
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    Error Code E4e03 ptr4300s

    So, I get the error intermittently. Sometimes I can make 10 plates, other times it takes 5 tries to make one. Checked laser power, number 29 is bad. Change option to 0-15 diodes and still get same error. It says it's board 3 overvoltage. Sometimes it won't finish diode test. Sometimes it says...
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    Ctp plate curves for screens

    So I ended up printing a full sheet filled with screens from an uncalibrated plate, input the values read and voila, dead nuts first try. Thanks for the help everyone.
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    Ctp plate curves for screens

    True. I use Toyo ink that is formulated as you suggested. It prints beautifully.
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    Ctp plate curves for screens

    I'm printing on an almost new SM52. New rollers, new blankets, new Techkon spectrodens. My Screen 4300S was just calibrated by agfa. The press runs and prints like a dream. If I get the plates right the only variable is me and my skill. That's my theory and I'm sticking to it 😆
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    Ctp plate curves for screens

    Great wisdom guys. On an uncalibrated plate my 50 was printing 72 on uncoated not very smooth stock. I think I'll just work it down with a well distributed curve and call it a day. Pantone tints are a bitch and there's no way around that.
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    Ctp plate curves for screens

    I understand making plate curves for 4 color process, i.e creating a plate curves to hit certain tvi for a standard like fogra, but what about single color screens like you would see in a business form? A dot gain of 15 on a 50 is pretty extreme. How should I build my curve? Make a plate, hit...

So You Want to Invest In Inkjet

I Want to Invest in Inkjet, But…
Over the past few years I’ve watched a group of transactional and direct mail printers strategically shift from monochrome toner machines to full-color toner and inkjet presses. Most banished old black-only toner boxes but kept their color toner devices around because they anticipated needing both color inkjet and toner presses to meet customer needs. They were right then and continue to be right today. Because toner and inkjet can be better together. Read the Post

 
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