Tried the M142 RGBW implementation into gcode but nothing changed. I tried both turning everything off and turning specific colors on, as per the video (except in gcode files I put on a USB stick and plugged into the printer).
I hadn't even noticed before, but the top light strip is also the warm white, so it looks like the left is the odd man out being the cool white - it's also closer to the ~4000K that I'd like to look at. The previous owner said they hadn't noticed anything, but since this was in use before they got it, I'm wondering if maybe the left LED strip has been changed out at some point...
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gr5 2,243
The lights are actually RGBW (last one is white). In other words there are 4 different controllable LEDs inside each of the 40 or so lights. But there is no way to control just the right or left side. They are all controlled together. Maybe you could dim the blue or white component on both sides to get it more balanced.
So you used to be able to change the colors with M142. I'm not sure if that works with latest firmware. One method is described here (post by neotko):
The more complicated way but more interactive way of trying out different colors is shown in this video (also by neotko):
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gr5 2,243
Certainly you can also do this by messing with the firmware.
But if this really bothers you then consider ordering a spare set of LED strips. Every reseller of Ultimaker has the ability to order and send you *any* part. These parts aren't shown in their stores (there are too many) but if you email them then you can get a price quote. For example 3dverkstan.se
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Hoffa 0
I've got a few other mysterious issues with the printer, such as active leveling failing at the beginning of a print, but being completely fine when I access it from the menu. And I just had a print try to start below the prints surface three times in a row, but start just fine on the fourth go - this was printing over network (a new thing to me that I just wanted to try out so I have a rounded skillset...)
What I'm wondering is, whether it could be a firmware issue. I have what the machine claims to be the latest (5.2.11 - 2019/05/03). Can a firmware installation be corrupt in these ways without it causing a lethal fault and error message from the printer?
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