Hello, At our shop we have a plate stream xc polyester plate setter. Since day one we have had a problem with light screens under 5%. they appear to be on the plate but one side looks slightly lighter. When you put the plate on press (Ryobi 3304ha) the screen on the light side all but disappears. I have had many service calls to Xpedx and Printware, they cant seem to fix it, and dont really acknowledge it as the major problem that it is. Anyone else had or scene this problem? Thanks!
problem with light screens on platestream
- Thread starter hondarr9
- Start date
We have had this issue before.
If I recall, I called Platestream and they bumped up the laser power a bit, and that helped enormously...BUT...It does tend to still drop dots under 5% every now and then.
It may be part chemistry also. I have noticed that the chemistry does not last very long...we usually end up dumping it every week.
Also, how often do you calibrate your Platestream?
If I recall, I called Platestream and they bumped up the laser power a bit, and that helped enormously...BUT...It does tend to still drop dots under 5% every now and then.
It may be part chemistry also. I have noticed that the chemistry does not last very long...we usually end up dumping it every week.
Also, how often do you calibrate your Platestream?
We dont calibrate very often however Xpedx was just here not even a month ago for abour 6 hours going over everything still no change. Chemistry I know has to be fresh. Very expensive to change once a week though. They did change the image power but only seemed to mask the problem because after that a 5% dot was more like 8-9%. I had a DPM 2340 before this and was much better at making screens, but had other drawbacks.
gordo
Well-known member
What is the specification for your setup? Is it warranted to image a 5%-1% dot?
If it is warranted to do so then Xpedx should be camping out at your shop until the device is in spec.
If that is not the spec, then you may need to consider a hybrid AM (a.k.a. XM) screening solution to recover the tones you are losing.
best, gordon p
If it is warranted to do so then Xpedx should be camping out at your shop until the device is in spec.
If that is not the spec, then you may need to consider a hybrid AM (a.k.a. XM) screening solution to recover the tones you are losing.
best, gordon p
chrisadam2
New member
problem with light screens on platestream
My boss is contemplating dropping our maintenance contract on the machine, since we have not used it enough to justify it, and my question is - how long do the lasers and other expensive parts usually last on these machines when used in a low volume environment? Can we expect a failure in the next year or two?
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My boss is contemplating dropping our maintenance contract on the machine, since we have not used it enough to justify it, and my question is - how long do the lasers and other expensive parts usually last on these machines when used in a low volume environment? Can we expect a failure in the next year or two?
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Well almost 6 weeks since I first heard from Printware and Xpedex, still no one has showed up here to look at it. Still having big problems. Printed a 25% screen across a 11 x 17 sheet yesterday and it looked like it faded into a 5% screen on one side. Driving pressman nuts!
western411
Active member
We worked with silver master since the 80's so I feel your pain. Try changing the screen angle. Dont use 0 or 90 since they are right angles and can clip or miss dots. Check your rip and see what other angles you have available. Look for 15, 22 or 75. Run only one plate through at a time, the length and take up of the shot can affect the output. Add length to the front and tail of the shot. Use your current 11 x 17 shot, find the spot it starts to change dot and add the remaining length to your job setup. by the time the film lsows down and the dot gets missed up it may be past the point you need to get a working shot
VladCanada
Well-known member
oh... it looks like dusty optics in case the spinner of that machine has a multifacet mirror.
Screen and AGFA Palladio had the same issue with Lithostar plates.
If polyplate looks good after processor, there is no guarranty of good plate behaviour on press in case of dirty optics.
Screen and AGFA Palladio had the same issue with Lithostar plates.
If polyplate looks good after processor, there is no guarranty of good plate behaviour on press in case of dirty optics.
Bad screens still!
Bad screens still!
Bad screens still!
no. Never followed through. As a matter of fact we got fed up today and went to another shop with the same unit and got plates for a job well were running and having no luck. Night and Day difference. Job came out beautiful and set up quickly. I think we've had a lemon from day 1!
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