2 in 1 out mixing nozzle having trouble getting set up in repetier server

I am still fairly new to 3d printing and just got my second printer... a Geeetech A20M. It prints in both colors and mixes find when printing from SD card but when I set up in Repetier server, and slice with software using the correct method for doing 2 color prints, I can't get the second extruder to work. In repetier server when I set up it only detects 1 extruder... do I need to add the second extruder? That seems to be the only way I can get control of the second extruder and manually extrude material to clear either extruder. Any assistance in setting this up properly would be appreciated. 

Comments

  • It depends on how your firmware handles the extruders. Does it have T0 and T1 to switch? Does it have T0 - T15 to set mixing ratios?

    For each Tx you need one extruder to be able to select from interface. 
  • I have to go through the firmware to see how it handles the extruders.... This is new to me but what I can tell you is that it is Marlin 1.1.8
  • Repetier said:
    It depends on how your firmware handles the extruders. Does it have T0 and T1 to switch? Does it have T0 - T15 to set mixing ratios?

    For each Tx you need one extruder to be able to select from interface. 
    Here is a cut and paste from Configuration.h regarding the mixing extruder in the version of the Marlin 1.1.8 that is on my printer:

    #define MIXING_EXTRUDER
    #if ENABLED(MIXING_EXTRUDER)
      #define MIXING_STEPPERS 2        // Number of steppers in your mixing extruder
      #define MIXING_VIRTUAL_TOOLS 16  // Use the Virtual Tool method with M163 and M164
      //#define DIRECT_MIXING_IN_G1    // Allow ABCDHI mix factors in G1 movement commands
      #define GRADIENT_MIX             // Apply a gradient between mixes over several layers

    Does this help?

  • Sounds like it maps to T0-T15 the same as repetier-firmware does. So simply add 15 more extruders. It might be that you can only change one temperature or only one gets reported. So do not wonder. That is ok.

    Could you post a output to console if ACK is enabled. I'm interested in the temperature format marlin uses.
  • This output is with both the extruder and bed cold.

    16:45:32.460: T:19.96 /0.00 B:20.74 /0.00 @:0 B@:0 16:45:33.459: T:21.48 /0.00 B:19.02 /0.00 @:0 B@:0 16:45:34.459: T:19.30 /0.00 B:20.08 /0.00 @:0 B@:0 16:45:35.459: T:23.12 /0.00 B:20.66 /0.00 @:0 B@:0 16:45:36.460: T:23.79 /0.00 B:20.47 /0.00 @:0 B@:0 16:45:37.460: T:22.27 /0.00 B:20.78 /0.00 @:0 B@:0 16:45:38.460: T:20.16 /0.00 B:17.93 /0.00 @:0 B@:0 16:45:39.461: T:22.42 /0.00 B:19.22 /0.00 @:0 B@:0 16:45:40.460: T:21.41 /0.00 B:22.38 /0.00 @:0 B@:0 16:45:41.461: T:18.63 /0.00 B:20.70 /0.00 @:0 B@:0 16:45:42.460: T:19.88 /0.00 B:21.56 /0.00 @:0 B@:0 16:45:43.460: T:21.41 /0.00 B:19.80 /0.00 @:0 B@:0 16:45:44.460: T:20.59 /0.00 B:21.52 /0.00 @:0 B@:0 16:45:45.460: T:20.90 /0.00 B:20.55 /0.00 @:0 B@:0 16:45:46.460: T:20.43 /0.00 B:21.80 /0.00 @:0 B@:0 16:45:47.460: T:21.64 /0.00 B:18.20 /0.00 @:0 B@:0 16:45:48.460: T:23.05 /0.00 B:18.98 /0.00 @:0 B@:0 16:45:49.460: T:20.12 /0.00 B:20.62 /0.00 @:0 B@:0 16:45:50.460: T:19.26 /0.00 B:19.26 /0.00 @:0 B@:0 16:45:51.460: T:21.72 /0.00 B:19.96 /0.00 @:0 B@:0 16:45:52.460: T:18.63 /0.00 B:19.57 /0.00 @:0 B@:0 16:45:53.473: T:21.45 /0.00 B:22.89 /0.00 @:0 B@:0 16:45:54.473: T:20.55 /0.00 B:19.30 /0.00 @:0 B@:0 16:45:55.473: T:21.29 /0.00 B:20.08 /0.00 @:0 B@:0 16:45:56.473: T:21.64 /0.00 B:20.90 /0.00 @:0 B@:0 16:45:57.473: T:23.55 /0.00 B:20.04 /0.00 @:0 B@:0 16:45:58.473: T:20.82 /0.00 B:19.65 /0.00 @:0 B@:0 16:45:59.474: T:22.11 /0.00 B:19.69 /0.00 @:0 B@:0 16:46:00.473: T:20.59 /0.00 B:20.59 /0.00 @:0 B@:0 16:46:01.473: T:20.51 /0.00 B:18.16 /0.00 @:0 B@:0 16:46:02.473: T:23.40 /0.00 B:21.17 /0.00 @:0 B@:0 16:46:03.473: T:21.33 /0.00 B:20.16 /0.00 @:0 B@:0 16:46:04.473: T:23.71 /0.00 B:18.91 /0.00 @:0 B@:0 16:46:05.473: T:21.76 /0.00 B:20.00 /0.00 @:0 B@:0 16:46:06.473: T:19.88 /0.00 B:21.68 /0.00 @:0 B@:0 16:46:07.473: T:21.25 /0.00 B:21.05 /0.00 @:0 B@:0 16:46:08.474: T:21.05 /0.00 B:20.70 /0.00 @:0 B@:0 16:46:09.473: T:22.81 /0.00 B:20.04 /0.00 @:0 B@:0 16:46:10.473: T:21.80 /0.00 B:19.06 /0.00 @:0 B@:0 16:46:11.474: T:22.77 /0.00 B:19.53 /0.00 @:0 B@:0 16:46:12.473: T:21.52 /0.00 B:22.89 /0.00 @:0 B@:0 16:46:13.473: T:19.26 /0.00 B:20.55 /0.00 @:0 B@:0 16:46:14.473: T:22.34 /0.00 B:18.71 /0.00 @:0 B@:0 16:46:15.484: T:18.79 /0.00 B:19.45 /0.00 @:0 B@:0 16:46:16.501: T:18.44 /0.00 B:22.11 /0.00 @:0 B@:0 16:46:17.501: T:21.13 /0.00 B:20.00 /0.00 @:0 B@:0 16:46:18.503: T:20.74 /0.00 B:18.55 /0.00 @:0 B@:0 16:46:19.501: T:20.27 /0.00 B:20.90 /0.00 @:0 B@:0 16:46:20.501: T:23.01 /0.00 B:18.52 /0.00 @:0 B@:0 16:46:21.500: T:19.57 /0.00 B:21.21 /0.00 @:0 B@:0 16:46:22.501: T:20.74 /0.00 B:20.20 /0.00 @:0 B@:0 16:46:23.501: T:19.65 /0.00 B:19.53 /0.00 @:0 B@:0 16:46:24.501: T:23.71 /0.00 B:18.63 /0.00 @:0 B@:0 16:46:25.501: T:22.58 /0.00 B:22.11 /0.00 @:0 B@:0 16:46:26.501: T:21.05 /0.00 B:21.56 /0.00 @:0 B@:0 16:46:27.502: T:18.63 /0.00 B:21.29 /0.00 @:0 B@:0 16:46:28.501: T:19.34 /0.00 B:19.57 /0.00 @:0 B@:0 16:46:29.502: T:21.60 /0.00 B:19.02 /0.00 @:0 B@:0 16:46:30.501: T:20.62 /0.00 B:21.25 /0.00 @:0 B@:0 16:46:31.502: T:23.67 /0.00 B:19.57 /0.00 @:0 B@:0 16:46:32.501: T:21.21 /0.00 B:18.20 /0.00 @:0 B@:0 16:46:33.502: T:22.46 /0.00 B:20.12 /0.00 @:0 B@:0 16:46:34.503: T:21.05 /0.00 B:19.37 /0.00 @:0 B@:0 16:46:35.501: T:21.99 /0.00 B:21.13 /0.00 @:0 B@:0 16:46:36.502: T:21.09 /0.00 B:20.04 /0.00 @:0 B@:0 16:46:37.501: T:21.72 /0.00 B:20.08 /0.00 @:0 B@:0 16:46:38.513: T:21.17 /0.00 B:19.53 /0.00 @:0 B@:0 16:46:39.512: T:22.34 /0.00 B:20.20 /0.00 @:0 B@:0 16:46:40.513: T:21.72 /0.00 B:19.61 /0.00 @:0 B@:0 16:46:41.512: T:23.40 /0.00 B:17.70 /0.00 @:0 B@:0 16:46:42.513: T:21.87 /0.00 B:19.45 /0.00 @:0 B@:0 16:46:43.512: T:20.23 /0.00 B:21.29 /0.00 @:0 B@:0 16:46:44.512: T:20.59 /0.00 B:19.41 /0.00 @:0 B@:0 16:46:45.512: T:20.47 /0.00 B:17.62 /0.00 @:0 B@:0 16:46:46.512: T:20.20 /0.00 B:22.03 /0.00 @:0 B@:0 16:46:47.513: T:19.41 /0.00 B:21.99 /0.00 @:0 B@:0 16:46:48.512: T:19.34 /0.00 B:21.13 /0.00 @:0 B@:0 16:46:49.513: T:20.12 /0.00 B:20.55 /0.00 @:0 B@:0 16:46:50.512: T:21.68 /0.00 B:19.26 /0.00 @:0 B@:0 16:46:51.512: T:22.54 /0.00 B:21.41 /0.00 @:0 B@:0 16:46:52.512: T:21.84 /0.00 B:19.10 /0.00 @:0 B@:0 16:46:53.512: T:19.73 /0.00 B:20.23 /0.00 @:0 B@:0 16:46:54.513: T:22.15 /0.00 B:18.75 /0.00 @:0 B@:0 16:46:55.512: T:21.91 /0.00 B:19.34 /0.00 @:0 B@:0 16:46:56.512: T:20.66 /0.00 B:21.05 /0.00 @:0 B@:0 16:46:57.512: T:20.66 /0.00 B:19.96 /0.00 @:0 B@:0 16:46:58.512: T:19.41 /0.00 B:21.29 /0.00 @:0 B@:0 16:46:59.512: T:20.51 /0.00 B:22.77 /0.00 @:0 B@:0 16:47:00.512: T:19.06 /0.00 B:17.46 /0.00 @:0 B@:0 16:47:01.512: T:20.51 /0.00 B:21.29 /0.00 @:0 B@:0 16:47:02.512: T:19.88 /0.00 B:19.88 /0.00 @:0 B@:0 16:47:03.513: T:20.98 /0.00 B:17.62 /0.00 @:0 B@:0 16:47:04.512: T:19.45 /0.00 B:21.33 /0.00 @:0 B@:0 16:47:05.512: T:20.47 /0.00 B:20.74 /0.00 @:0 B@:0 16:47:06.512: T:23.20 /0.00 B:20.39 /0.00 @:0 B@:0 16:47:07.512: T:21.95 /0.00 B:21.87 /0.00 @:0 B@:0 16:47:08.512: T:20.16 /0.00 B:20.47 /0.00 @:0 B@:0 16:47:09.512: T:21.25 /0.00 B:22.34 /0.00 @:0 B@:0 16:47:10.512: T:23.95 /0.00 B:18.36 /0.00 @:0 B@:0 16:47:11.512: T:20.66 /0.00 B:19.57 /0.00 @:0 B@:0 16:47:12.512: T:21.33 /0.00 B:20.82 /0.00 @:0 B@:0 16:47:13.512: T:20.00 /0.00 B:20.51 /0.00 @:0 B@:0 16:47:14.512: T:21.72 /0.00 B:19.26 /0.00 @:0 B@:0 16:47:15.513: T:21.80 /0.00 B:20.39 /0.00 @:0 B@:0 16:47:16.512: T:19.88 /0.00 B:21.68 /0.00 @:0 B@:0 16:47:17.511: T:20.43 /0.00 B:20.82 /0.00 @:0 B@:0 16:47:18.512: T:18.98 /0.00 B:20.47 /0.00 @:0 B@:0 16:47:19.512: T:20.62 /0.00 B:22.30 /0.00 @:0 B@:0 16:47:20.512: T:17.81 /0.00 B:20.43 /0.00 @:0 B@:0 16:47:21.512: T:22.62 /0.00 B:23.16 /0.00 @:0 B@:0 16:47:22.525: T:19.45 /0.00 B:20.43 /0.00 @:0 B@:0 16:47:23.525: T:21.80 /0.00 B:21.76 /0.00 @:0 B@:0 16:47:24.524: T:21.99 /0.00 B:18.91 /0.00 @:0 B@:0 16:47:25.524: T:21.37 /0.00 B:22.11 /0.00 @:0 B@:0 16:47:26.523: T:19.26 /0.00 B:19.69 /0.00 @:0 B@:0 16:47:27.524: T:20.55 /0.00 B:21.41 /0.00 @:0 B@:0 16:47:28.523: T:21.87 /0.00 B:19.57 /0.00 @:0 B@:0 16:47:29.524: T:22.23 /0.00 B:22.30 /0.00 @:0 B@:0
  • Ok, so it uses just T: which always maps to active extruder. Others will be reported as 0 in server then. That is ok.
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