Anycubic Photon Printer Owners 造訪社團 » UART

Here's a puzzler, been printing fine all week, same USB (not the one that comes with the Photon), same slicing software, etc, the file is good, checked the file on the stick after the failure.
as you can see the rear right quarter of the screen is printing fine.
Running Photon 5.5 firmware (EDIT read the wrong line, not sure what version of the firmware i was running).
spent an hour and a half scrolling through this page and didn't come across a similar problem, I know they're on here, just can't find them

EDIT
Updated Firmware to Epax 4.2.18, seems to have fixed the issue.
https://epax3d.com/pages/firmware-and-parameter-files…

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Big thumbs up to Stuart Radmore at print3dresin.com - excellent service, my Monacure Flex100 resin has arrived and looking forward to trying it out on some tyres ?

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So what is everyone doing when when you have to print a large base for a model? are you sectioning it and printing on the Photon or printing via FDM?

Curious at how well quartered pieces will print and fit up. I have FDM printers, just iffy about the sizing differences between slicers.

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Preeetty sure I ordered 4 1gallon jugs and not 16 1quart jugs. What a waste of plastic bottles. Gonna have to find a way to up cycle these bitches, beyond just a spray bottle. Any ideas?

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Ok, I could use some help here...
Tried to print this thing flat on the build plate and at some point the structure simply ruptured along a layer line.

0,02 layer thickness, 7 sec exposure time, Monocure black resin

The piece is hollow (2mm thick walls), there are holes in the piece (one close to the bottom plate) and it is full of supports.

I do have 2 explanation attempts:
- It ruptured pretty much at the point where I paused the print for a few seconds to check the progress (another earlier attempt had also failed but with different settings)
- There is no hole in the neck area, which probably led to a a vacuum in there during the last quarter of the print which could have created the pull on the model.

Any further tipps?

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Hello everyone!
Thanks for letting me join this group.
Just few words about myself, I am artist and animator, I have started playing table top miniature games and I wanted to create something for it. So I've learned Blender software, designed more than 60 unique token designs so far (there will be 91 in total) and I have started using Anycubic photon printer five months ago, done more than probably 50+ prints, and I am very happy about it. The quality is stunning, even in comparison to high end SLA printers for £4000, this £400 little DLP printer does the same quality and fits my needs. And hopefully it will help me to start my small business.
BUT I am having some issues with resin itself.
For black resin in black plastic bottle, I can give the best score 10/10 and feedback on Amazon for each bottle, but I have just received black resin in brown bottle again, 2 prints so far and again I am having same issues, last bottle over 40 hours wasted(one print takes more than 4 hours with cleaning, washing, bed lvling and so on), and practically £44 wasted, my time as well, so I can give only 0/10 score.
Now, I have done plenty printings, over 1500 tokens for table top games, used over 6l of resin. I am planning to do much much more. I am also looking forwards to buy several more Anycubic Photon printers, but the black color resin in brown bottles makes me look for other alternatives.
Possibly I am doing something wrong, but I have tried so many different options and configurations. Basically, I get bad prints, as last layers about a quarter of object is squashed a little, and I get egg shape tokens instead of round. I can clearly see difference in resin, as black color resin from black bottles is more matte black with a bit of blue shade and a bit transparent. The other black resin from brown bottles is more glossy and looks like black tire rubber material, plus it's more smelly. So I can only assume there's some different properties in them? And it's a random when buying this black color resin, either in brown or in black plastic bottles, and so far I had 2 brown and 4 black, where 2 brown game me failures in printing.
Has anyone had similar issues? Or, can someone tell me if there are different properties in resins and what could I possibly do. Also I had suspicions that room temperature changes could have had an impact on prints, but I tried different bottle lack resins on the same day, and same results, one goes perfectly and another bad. I am really out of options.

I have attached an image with prints.

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# PhotonLeaks - UART1 @115200baud

+++++++++++++++++++++++++++++++
UART1 init OK
//Disk init fail!
USB Device found: FULL_SPEED
//Disk init OK!
total:29521 MB free:29520 MB
disk_OK

sd_mounted ok
//Disk init OK!
//########### # Error !cann't open file update.LCD!
open failed, File :update.LCD

UART1 init OK
//Disk init fail!
start
start
//LCD id:-1(0xffffffff)
//LCD id:-1(0xffffffff)
//LCD id:-1(0xffffffff)

start_task

start AppTaskStat

USB Device Attached
USB Device ResetDevice
USB Device found: FULL_SPEED
total:29521 MB free:29520 MB
disk_OK

//############Error!cann't open file chitu_initial_file_autorun!
ok
//AP_MAC:
//wifi init done!
ok

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A little help here please?
the M4 tractor was printed with the green resin supplied with my printer, the Stuart tank with Anycubic Grey. Both were printed on an angle that would make the errors run parallel to the build plate. Can anyone enlighten me as to how I can prevent this in the future?

I had been receiving great help from Michael Earley but I dont want to keep asking him. My settings in ChiTuBox seem correct, the printer is level and this is a brand new FEP sheet and fresh resin

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Finally did my first print. First quarter inch is wavy, the rest is perfect. Printed bottom down but w supports, so maybe 2mm off the build plate. Any ideas what happened?

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N Scale Stagecoach on a US Quarter! I love this machine!

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