Problem printing with extruder 2 only

Kamikazer2

Hi all, when i try to print with the second extruder only, the printing start always with the extruder 1 selected.

I have to always change manually the extruder from 1 to 2 in the "manual Control" menù.

TNKS

Repetier

Most likely because slicer does not know about it and just not adds a T1 in the gcode to switch.

Kamikazer2

I have already insert this command in the G-Code start:

{IF_EXT0}M104 T0 S{TEMP0}
{IF_EXT0}M104 T1 S{TEMP0}
G92 E0 ; Reset extruder position
; Wait for all used extruders to reach temperature
{IF_EXT0}M109 T0 S{TEMP0}
{IF_EXT0}M109 T1 S{TEMP0}

and the correct extruder become hot (T1).

The problem is the filament extruder that not change in Extruder2

I have to select manually the extruder 2 then all proceed correctly.

TNKS.

Repetier

In CuraEngine you can only use extruder 2 if you also print parts with extruder 1! The second stl is assigned to second extruder so ther emust be a first stl for extruder 1 as well. Could not get it to do without.

Kamikazer2

I understand, my need arises from the fact that I have an extruder of 0.4 on the first extruder and one of 0.6 on the second extruder on a chimera. To print at 0.6 I should remove the nozzle every time. It would be convenient to be able to choose.

Thank you very match, and i will make a donation soon for the your great work

RAyWB

as i have same situation i just edit the g-code file in repetier host and just use the search /replace function.
search for T0 and replace it by T1.
that does the job.of coarse you can use an other editor also

Kamikazer2

No, the parameter T1 is correct. To do this automatically I have insert the following parameter in slide>configuration>Start G-Code:

{IF_EXT0}M104 T0 S{TEMP0}
{IF_EXT0}M104 T1 S{TEMP0}
{IF_EXT0}M109 T0 S{TEMP0}
{IF_EXT0}M109 T1 S{TEMP0}

RAyWB

thats the temp Parameters, but not a switchover to T1

Kamikazer2

I have solved whit this simple command in Start G-Code

{IF_EXT0}T0
{IF_EXT1}T1