Questions tagged [lcd-screen]
29 questions
3
votes
1 answer
The first screen of Marlin 2.0 is showing some horizontal lines, appearing to be broken
We are using the branch bugfix 2.0 and the first screen of Marlin is showing some horizontal lines, appearing to be broken.
After 3 seconds, the boot screen appears and everything works normally.
We have tried to disable the custom…

David Souza
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2
votes
2 answers
Resin printer LCD breaks if layer is too big
I've recently gotten into Resin 3d printing with a refurbished Elegoo Mars 1 but I've run into a weird bug where the printer would not expose any resin to the LCD.
I tested it by taking off the build plate and basin and looked at the LCD when it was…
2
votes
1 answer
Modified cable for Ender 5+ LCD touchscreen
I wanted to upgrade my Ender 5 plus to a silent board as it makes a lot of noise. So I chose the BTT SKR 3 EZ board and started to configure it. However, in the Marlin configuration, there was a README explaining that the LCD must be flashed, which…

Shukaname
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2
votes
3 answers
Anet A8 Clone LCD not working after flash
My Alfawise EX8 (Anet A8 Clone) had an issue, so I flashed the firmware provided on the GearBest page. After the flash the LCD is no longer doing anything and I can't really identify the LCD to confirm whether the correct one is selected in…

Ollie
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2
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2 answers
Why don't LCD printers use subpixels in color panels?
The LCD resin printers I've looked at have pretty standard resolutions like for a smartphone and I understand they use the same technology. However, color LCD screens have three RGB sub-pixels for each color pixel. Check for example this magnified…

Nobody
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vote
1 answer
Is it required to use a data-only USB cable to keep the LCD screen off, when a 3D printer has no other power provided?
I've noticed before that when I use a standard USB-cable to connect my Creality Ender 3 V2 printer using its USB port to a Raspberry Pi 4 and powered off the printer, that the LCD screen of the printer stays turned on. Even when the power cable is…

Bob Ortiz
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1
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Ender-3 Pro Factory reset/BLTouch Setup
I bought the BLTouch and followed the instructions to install it, but it ended up not working. After installing the new firmware, the screen started bugging out (pixels being out of place, always moving). And when I tried to use the BLTouch, it…

BobbyWasbi8311
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1
vote
1 answer
Configuring HD44780 LCD with I2C backpack in Marlin
I'm making a custom control board based on an ESP32, and I'm currently stuck at trying to configure a 16x2 LCD in Marlin.
In Configuration.h, there's an option for a "Generic LCM1602 LCD adapter", which I've commented out. However, after searching…

CryptoAlgorithm
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1
vote
0 answers
Ender 3 v2 X-axis home fails
I have a problem. I upgraded my Ender 3 v2 for direct drive and added CR Touch. Updated software to bugfix-JyersUI v2.0.1. Now if I turn on my printer first homing X-axis moves to the left clicks one time (usually clicks 2 times) to endstop and…

Martin
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vote
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How do I know if my motherboard is dead?
I have an Ender CR-10 which I recently installed a clone of a BLTouch on. It all worked fine and printed well but once when I started the printer all the pixels on the LCD were white. Then when I started the 4th time the LCD just went all black and…

J4guar
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1
vote
1 answer
How exactly can a 720P DLP print at a higher resolution than a 2k LCD?
I'm still confused on this. The Anycubic Photon Ultra is coming out soon, and it features an internal 720p Projector. The 720p resolution seems like a far cry from a 2k LCD (1280×720 vs. 2560x1440). Despite having 4x as many pixels, many articles…

tuskiomi
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1
vote
1 answer
Format SD Card on Mac to update LCD screen on CR-10S Pro
I want to update the LCD screen on my CR-10S Pro.
I've been following the procedure on Teaching Tech and formatting the SD card to FAT32, but the screen either shows the loading screen as normal or doesn't transfer anything.
How can I update the…

Bamboo
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1
vote
1 answer
Screen protector for Elegoo Saturn?
Can I cut down an iPad screen protector and stick it over the top of my Elegoo Saturn to protect the LCD from scratches or resin leaks\drips?
Or will this harm printing?
Additional information
A resin printer has an LCD screen underneath the resin…

Aaargh Zombies
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How to enable Z-offset on MKS TFT28 V4.0
I am trying to enable Z-offset on MKS MKS TFT28 V4.0 touch screen but I couldn't for some reason.
This is the code that I have uploaded to the Screen firmware in which you can see that I have enabled the babystepping function:
#the color of screen…

Rayan
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1
vote
1 answer
Z-step pulses too short (Marlin 2.0.x)
I was replacing a stepper driver on my Melzi 2.0 board with a A4988 Pololu module and for some reason, it won't cooperate with Marlin.
For reference, I'm using a Melzi 2.0 TRONXY with a ZONESTAR-style 5-button LCD. This LCD may be related to my…

malachik
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