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Still failing - Printable Version

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Still failing - VonStrom - 08-07-2020

Ok Replaced the LCD screen and still have failing prints. 
releveled the print bed. have used masking tape, ptfe lube.... Im at a loss. I printed fine for 6 weeks after last screen went in and now I cant print anything successfully


RE: Still failing - cliffyk - 08-07-2020

What is the failure mode, holes, "melting", deformation?

To test the entire screen using this 68 x 120 x 2 mm "block", do a dry run "printing" of the block with the vat and platen removed--it will reveal any defects in the entire screen, not just the perimeter:

[Image: LCDTEststl.jpg]

ThIs is what my last failed LCD shutter (wIth < 250 hours on it) looked like, through a sheet of paper while "printing" the block:

[Image: BadLCD-02.JPG]


RE: Still failing - VonStrom - 08-09-2020

I can not post reply pics cause I keep getting file too large.....