Autoload Not Working: Lime Green Filament
Autoload isn't working on lime green filament.
I've tested with the silver filament and it detects it just fine.
Have just updated the firmware to the latest (prusa3d_fw_3_1_1_rc4_b143) in the hope that a fix would be possible through that.
Support is now telling me Lime Green should work fine for autoload.
Re: Autoload Not Working:
Have you read the manual?
It states that lime green filament can be an issue with the filament sensor.
Re: Autoload Not Working:
Have you read the manual?
It states that lime green filament can be an issue with the filament sensor.
I read the manual, yes, but that point wasn't immediately obvious to me.
This seems fundamentally flawed if this can't be rectified with a firmware update, sure there will be one though.
Re: Autoload Not Working:
I have had false filament out instances with a darker green translucent filament... so it appears thT the sensor has some colour bias. Which is unfortunate..
I turned the sensor off because of the number of filament change instances thet the green filament was getting... the sensor needs sorting. I have an mmu upgrade on pre order. The main feature for me. Was filament out or filament feed problem detection.
As the sensors are questionable. The product validity is questionable. I think its time to defer the order...
Joan
I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK
Re: Autoload Not Working:
I have had false filament out instances with a darker green translucent filament... so it appears thT the sensor has some colour bias. Which is unfortunate..
I turned the sensor off because of the number of filament change instances thet the green filament was getting... the sensor needs sorting. I have an mmu upgrade on pre order. The main feature for me. Was filament out or filament feed problem detection.
As the sensors are questionable. The product validity is questionable. I think its time to defer the order...
Joan
I'm sure they'll fix the issue in a firmware update.
Re: Autoload Not Working: Lime Green Filament
Anyone have any insight into why Prusa went with an optical sensor rather than a mechanical wheel with an encoder?
Given all the problems people are reporting, it seems obvious (in hindsight) that a mechanical sensor should be a lot more robust. Among other things, the mechanical wheel won't care about the color of the filament.
So I'm assuming there's some reason they chose the optical sensor...
Re: Autoload Not Working: Lime Green Filament
Maybe this choice has been made to have more feature since only an optical sensor can detect the absence of mouvement.
Re: Autoload Not Working: Lime Green Filament
The optical sensor has its advantages.
But it must be properly centered on the filament and prevent light from siping through the feed tube.
A lamp in the ceiling may, for example, light down in the tube and interfere with the sensor.
Then try wrap some aluminum foil around the filament that prevents the light from reaching the sensor.
Bear MK3 with Bondtech extruder
Re: Autoload Not Working: Lime Green Filament
Joe said that all of the mechanical sensors suffer wear problems.
Regards Joan
I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK
Re: Autoload Not Working: Lime Green Filament
That's a valid point. Once they get the optical sensor working 100% it will be far better than a mechanical one. So many other potential issues could be caused by having a mechanical one.