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Every print starts with "remove old filament"  

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Marco
(@marco)
Miembro
Every print starts with "remove old filament"

Hey guys,

I'm having a bit weird behaviour during my MMU prints.

Every time I start a MMU print, after the bed leveling the extruder moves up a bit and I got the message that I have tor emove the old old filament and press the knob afterwards.

There is no filament in the extruder. I just could press the knob and the printer starts to load the filament without any big issues.

In case I do an single coler print, the printer asks wich filemant I would like to load and erverything ist fine. It also happens during a MMU print.

 

I took a look at the sensors and every senser is on "0"

I reinstalled the prusa slicer as well without any changes.

Do you have an idea?

Marco

Respondido : 15/08/2023 3:43 pm
gudnimg
(@gudnimg)
Eminent Member
RE: Every print starts with "remove old filament"

Hi, I just want to mention that a fix for this is coming in 3.13.1: https://github.com/prusa3d/Prusa-Firmware/pull/4332 it's not a new issue but seems more people were seeing it on 3.13.0 so we finally found the source of the problem and fixed it.

Respondido : 19/08/2023 11:13 pm
Marco me gusta
Marco
(@marco)
Miembro
Topic starter answered:
RE: Every print starts with "remove old filament"

Thanks a lot for your Info.

I'm looking forward for the next update.

 

Respondido : 20/08/2023 3:59 am
michalkoj
(@michalkoj)
Active Member
RE: Every print starts with "remove old filament"

I was able to get around this bug by temporarily unplugging the Super PINDA and plugging in the old PINDA to reactivate the setting "PINDA Calibration" and turn it off. When I plugged the Super PINDA back in, no more remove old filament message, second bed level or grinding at the beginning of purge.

Respondido : 22/08/2023 1:36 am
Roy
 Roy
(@roy)
Eminent Member
RE: Every print starts with "remove old filament"

I solved this by doing a factory reset on both, MMU and the printer after I flashed both new frimwares.
You will loose all settings and have to run through the wizard again and also need to do first layer calibration for all sheets.
It would be clever to note your live Z values for the different sheets to set them up quickly again.

Took me 45min in total

Respondido : 12/09/2023 9:11 am
Hello
(@hello)
Noble Member
RE: Every print starts with "remove old filament"

 

Posted by: @michalkoj

I was able to get around this bug by temporarily unplugging the Super PINDA and plugging in the old PINDA to reactivate the setting "PINDA Calibration" and turn it off. When I plugged the Super PINDA back in, no more remove old filament message, second bed level or grinding at the beginning of purge.

So u replaced supr pinda with normal pinda

Please help me out by downloading a model it's free and easy but really helps me out https://www.printables.com/@Hello_474427/models

Respondido : 12/09/2023 9:37 am
michalkoj
(@michalkoj)
Active Member
RE: Every print starts with "remove old filament"

Only temporarily to reveal the setting “pinda calibration” and turn it off. The SUPER pinda does not need calibration so this setting will not show with it installed. 

The factory reset clears the calibration values in the eeprom but turning off pinda cal lets the system ignore those values instead. This explains why this issue in GitHub says mk3s+ is unable to reproduce because they ship with the SUPER Pinda and never had cal data stored or the setting turned on like mk3/s.

Posted by: @hello

 

Posted by: @michalkoj

I was able to get around this bug by temporarily unplugging the Super PINDA and plugging in the old PINDA to reactivate the setting "PINDA Calibration" and turn it off. When I plugged the Super PINDA back in, no more remove old filament message, second bed level or grinding at the beginning of purge.

So u replaced supr pinda with normal pinda

 

Respondido : 12/09/2023 1:04 pm
Hello
(@hello)
Noble Member
RE: Every print starts with "remove old filament"

 

Posted by: @michalkoj

Only temporarily to reveal the setting “pinda calibration” and turn it off. The SUPER pinda does not need calibration so this setting will not show with it installed. 

The factory reset clears the calibration values in the eeprom but turning off pinda cal lets the system ignore those values instead. This explains why this issue in GitHub says mk3s+ is unable to reproduce because they ship with the SUPER Pinda and never had cal data stored or the setting turned on like mk3/s.

Posted by: @hello

 

Posted by: @michalkoj

I was able to get around this bug by temporarily unplugging the Super PINDA and plugging in the old PINDA to reactivate the setting "PINDA Calibration" and turn it off. When I plugged the Super PINDA back in, no more remove old filament message, second bed level or grinding at the beginning of purge.

So u replaced supr pinda with normal pinda

 

Big brain thanks for the info

Please help me out by downloading a model it's free and easy but really helps me out https://www.printables.com/@Hello_474427/models

Respondido : 12/09/2023 7:56 pm
gudnimg
(@gudnimg)
Eminent Member
RE:

FW 3.13.2 RC1 has been released and includes a fix for the issue in case others stumble on this thread. No need for factory reset.

https://github.com/prusa3d/Prusa-Firmware/releases/tag/v3.13.2-RC1

Respondido : 12/09/2023 8:12 pm
Hello
(@hello)
Noble Member
RE: Every print starts with "remove old filament"

 

Posted by: @gudnimg

FW 3.13.2 RC1 has been released and includes a fix for the issue in case others stumble on this thread. No need for factory reset.

https://github.com/prusa3d/Prusa-Firmware/releases/tag/v3.13.2-RC1

Im a bit weary of these new firmwares at the moment could you let us know of any problems you find

Please help me out by downloading a model it's free and easy but really helps me out https://www.printables.com/@Hello_474427/models

Respondido : 12/09/2023 8:32 pm
René
(@rene-3)
Reputable Member
RE: Every print starts with "remove old filament"

On github, you can keep track of the problems there are with firmwares on a daily basis.

Here they are.

Respondido : 13/09/2023 6:32 am
Hello
(@hello)
Noble Member
RE: Every print starts with "remove old filament"

 

Posted by: @rene-3

On github, you can keep track of the problems there are with firmwares on a daily basis.

Here they are.

I know there currently aren't any for this firmware.so was asking if anyone had any problems so far. Appreciate the help though 

Please help me out by downloading a model it's free and easy but really helps me out https://www.printables.com/@Hello_474427/models

Respondido : 13/09/2023 8:58 am
Oba
 Oba
(@oba-2)
Miembro
RE:

I'm stuck in 3.13.0. I dont know why but my printer is not accetping firmware updates. even downgrades. Is there another workaround to fix this?

Respondido : 20/06/2024 5:40 pm
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