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Sorry for the response in English. It's been a long time since Italian was spoken in my house.
This is a known glitch in Creality firmware (4.2.x mainboards and TFT screens). A firmware upgrade is supposed to fix it. Unfortunately I don't know which version of the firmware is the right one.
The Glitch---When the printer gets a command that sends a message to the printer TFT screen, the command is ignored because the message cannot be displayed due to the glitch. M0 is the normal Marlin pause command and sends "Click to resume..." to the printer display. M1 is ignored for the same reason. M117 is ignored because it always sends a message to the screen.
In Cura you can use the post processor "PauseAtHeight". Unfortunately it uses M0 to pause. In the "After Pause Gcode" box enter G4 S180 ("S" is time in seconds). That will give you 3 minutes before the printer resumes on it's own.
Also in the Pause At Height settings, if there are Z-hops in the Gcode file then "By Height" doesn't work and you must use "By Layer". I don't bother with the Retraction settings. After hand feeding the new filament to change the color I pull back about 3mm of filament. Use some long-nose tweezers to grab the string hanging from the nozzle and when the print resumes yank it off. You will get a clean restart.
Edited by GregValiant
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GregValiant 248
Sorry for the response in English. It's been a long time since Italian was spoken in my house.
This is a known glitch in Creality firmware (4.2.x mainboards and TFT screens). A firmware upgrade is supposed to fix it. Unfortunately I don't know which version of the firmware is the right one.
The Glitch---When the printer gets a command that sends a message to the printer TFT screen, the command is ignored because the message cannot be displayed due to the glitch. M0 is the normal Marlin pause command and sends "Click to resume..." to the printer display. M1 is ignored for the same reason. M117 is ignored because it always sends a message to the screen.
In Cura you can use the post processor "PauseAtHeight". Unfortunately it uses M0 to pause. In the "After Pause Gcode" box enter G4 S180 ("S" is time in seconds). That will give you 3 minutes before the printer resumes on it's own.
Also in the Pause At Height settings, if there are Z-hops in the Gcode file then "By Height" doesn't work and you must use "By Layer". I don't bother with the Retraction settings. After hand feeding the new filament to change the color I pull back about 3mm of filament. Use some long-nose tweezers to grab the string hanging from the nozzle and when the print resumes yank it off. You will get a clean restart.
Edited by GregValiantLink to post
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