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Author Topic: Time for a new Screen  (Read 1628 times)

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rodsup9000

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Time for a new Screen
« on: December 19, 2019, 05:46:00 PM »
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  Started both printers last night before I went to bed, and woke up to this on one of them











 

 I bought a "Sharp" brand replacement off of Amazon and will be here tomorrow.
 
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Rodney

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Chris333

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Re: Time for a new Screen
« Reply #1 on: December 19, 2019, 05:48:40 PM »
+1
Did you do the light up test? I had a failed print like that one time and it was a spot on the FEP.
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rodsup9000

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Re: Time for a new Screen
« Reply #2 on: December 19, 2019, 05:58:27 PM »
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 No I didn't, Chris. But I'll do one shortly. 
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Rodney

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Chris333

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Re: Time for a new Screen
« Reply #3 on: December 19, 2019, 06:16:55 PM »
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This was my fail:
https://www.therailwire.net/forum/gallery/8/109-120119135427-8710157.jpeg

It was a tiny hard spot on the FEP. Couldn't scrap it off and had to replace the FEP. Next print was fine.

Not saying it is what's wrong, but yeah check the light.
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CNR5529

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Re: Time for a new Screen
« Reply #4 on: December 19, 2019, 07:20:27 PM »
+1
I had a similar print failure which was caused by too much surface area being printed at once and not enough time between layer retraction to let the resin pool refill the area.
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Because why not...

C855B

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Re: Time for a new Screen
« Reply #5 on: December 19, 2019, 10:11:40 PM »
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Quote from: Chris333 on December 19, 2019, 05:48:40 PM
Did you do the light up test? I had a failed print like that one time and it was a spot on the FEP.
Quote from: CNR5529 on December 19, 2019, 07:20:27 PM
I had a similar print failure which was caused by too much surface area being printed at once and not enough time between layer retraction to let the resin pool refill the area.

And this, folks, speaks volumes about the intel here on TRW. Great info to know.
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...mike

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rodsup9000

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Re: Time for a new Screen
« Reply #6 on: December 20, 2019, 01:21:33 AM »
+2
 Did the light test and didn't see anything wrong, so I took the vat out and cleaned the screen real good. Put the extra vat that I have in with new FEP and did another print and it came out fine. Cleaned up the vat that I took out and didn't see anything on the FEP. So who know what happened, but it's OK now and I'll have a spare screen.
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Rodney

My Feather River Canyon in N-scale
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rodsup9000

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Re: Time for a new Screen
« Reply #7 on: December 20, 2019, 01:32:57 PM »
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 Yesterday, when I did the print and is was OK. Well I was doing a test print of 2 baggage doors and 4 windows, and when I set the on the build plate, I though I had part of it where I thought the hole was. I did it 180 instead and wasn't close to the problem area was. I just finished a print and the hole is still there, so I'll be putting the new screen in tomorrow, afterall.
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Rodney

My Feather River Canyon in N-scale
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rodsup9000

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Re: Time for a new Screen
« Reply #8 on: December 23, 2019, 02:13:24 AM »
+1
 New screen is in and it working great again.
Now to see if there is any noticeable differences between the original and the "Sharp" branded screens.   
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Rodney

My Feather River Canyon in N-scale
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rodsup9000

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Re: Time for a new Screen
« Reply #9 on: August 05, 2020, 06:58:08 PM »
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  Got out of bed to some failed prints today caused by the screen going bad again. Just ordered another new one and it'll be here Monday.
I bet I didn't get more than 50 prints from the replacement screen.

You can barely see the 3 hole where the screen failed







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Rodney

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Chris333

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Re: Time for a new Screen
« Reply #10 on: August 05, 2020, 07:27:24 PM »
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Supposedly there is a Photon Mono coming out that uses a B&W screen that lasts much longer.
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rodsup9000

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Re: Time for a new Screen
« Reply #11 on: August 05, 2020, 07:32:04 PM »
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 That'll be great, but how soon will it get here. I'll install the new one and see how long it lasts.
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Rodney

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Chris333

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Re: Time for a new Screen
« Reply #12 on: August 05, 2020, 07:59:43 PM »
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Uploaded 2 months ago:
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