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Nozzle Wipe Support

Danger

It can be dangerous to use a rear mounted nozzle wiper with a rear mounted probe, there is a strong likelihood of destroying the probe or damaging the printer!

Simple AF does not package any predefined nozzle wipers but we do provide a _SAF_NOZZLE_WIPE custom hook for that, please be aware that it's only supported for beacon, eddyng, cartotouch and cartographer probes, as these are the only probes that do touch levelling.

The _SAF_NOZZLE_WIPE will be passed the EXTRUDER_TEMP parameter from START_PRINT to give you a bit more flexibility for implementing your nozzle wiper macros.

Info

If you want to do a nozzle wipe for other probes (btteddy, bltouch, microprobe or klicky), you would need to use a different hook, perhaps _SAF_START_PRINT_BEFORE_BED_MESH, See Custom Hooks for a complete list of custom hooks.

So for instance you could use the EXTRUDER_TEMP in the _SAF_NOZZLE_WIPE macro like this:

[gcode_macro _SAF_NOZZLE_WIPE]
gcode:
    {% set EXTRUDER_TEMP=params.EXTRUDER_TEMP|float %}

    # lower the temp to something where nozzle does not ooze to do your thing
    M109 S150

    # then set the nozzle temp
    M104 S{EXTRUDER_TEMP}

This might be useful for instance if you need to adjust the nozzle temp as part of your macro but then set it to the target temp, although in that case it actually would probably be better to get the existing target temp at the start of your _SAF_NOZZLE_WIPE in a different way:

[gcode_macro _SAF_NOZZLE_WIPE]
gcode:
    {% set target_nozzle_temp = printer[printer.toolhead.extruder].target %}

    # Do the nozzle wipe thing here whatever it is

    # then restore the previous nozzle temp
    M109 S{target_nozzle_temp}

Nozzle Wipe Options

The following are the nozzle wipe macros I am aware of, I provide absolutely no guarantees about them!

Config overrides should save and restore these additional .cfg for you automatically, just make sure its saved directly to the config/ directory and not a sub-directory and you should be good to go!

Purcell Nozzle Wipe

You can find the advanced_nozzle_cleaner.cfg file at https://www.printables.com/model/1023575-advanced-nozzle-wiper-for-creality-k1-series, and upload it to your config directory.

Make sure its included after [include start_end.cfg] in printer.cfg

Then make a few changes to advanced_nozzle_cleaner.cfg:

Warning

You must replace any M106 P0 references with just M106 as P0 is not supported to reference the part fan. In order to mitigate performance issues that were causing klipper to crash with a move queue overflow we had to migrate from [fan_generic part] to [fan] for the part fan. M106 P argument still works for chamber and auxiliary like before.

You need to disable this:

#[gcode_macro CX_NOZZLE_CLEAR]
#rename_existing: _CX_NOZZLE_CLEAR
#gcode:
#  WIPE_NOZZLE

Add this:

[gcode_macro _SAF_NOZZLE_WIPE]
gcode:
    # make the nozzle wipe be a good citizen and restore the target temp afterwards
    {% set target_nozzle_temp = printer[printer.toolhead.extruder].target %}

    WIPE_NOZZLE

    # then restore the previous nozzle temp
    M109 S{target_nozzle_temp}

Calin Nozzle Wipe

For Calin solution it's all on the website: https://makerworld.com/en/models/1547901-creality-k1-max-silicone-nozzle-wiper

Calin has updated the docs for their macro to correctly use M106 macro so no changes should be required beyond what is documented on that makerworld site.