print_start

print_start

[gcode_macro PRINT_START]
gcode:

    M117 Print Starting...

    ; Make sure we are not applying stale bed mesh or Z offset
    SET_GCODE_OFFSET Z=0
    BED_MESH_CLEAR

    ; Start heating bed
    M140 S{params.BED}

    ; Initial home XYZ
    G28

    ; Start heating nozzle
    M104 S{params.EXTRUDER}

    ; Finish heating bed
    M190 S{params.BED}

    ; Finish heating nozzle
    M109 S{params.EXTRUDER}

    ; Redo Z homing after cleaning nozzle
    G1 Z30 F900
    G1 X125 Y125 Z30 F3600
    G1 X1 F3600
    clean_nozzle RETRACT=true
    G1 X1 Y125 Z30 F3600
    G1 X125 F3600
    G28 Z

    ATTACH_PROBE

    ; Auto-calibration of nozzle to bed offset
    ; Doing this as soon as possible to nozzle clean
    CALIBRATE_Z

    ; Use original version to avoid attaching probe again
    ; TBD: QGL reportedly messes up the Z offset, but this seems to work fine
    _QUAD_GANTRY_LEVEL
    _BED_MESH_CALIBRATE

    DOCK_PROBE

    M117 Prime Line
    G92 E0 ;Reset Extruder
    G1 X65.0 Y243.3 Z0.25 F2500.0 ; Move to start position
    G1 X5.0 F800.0 E10 ; Draw the first line
    G1 X5.0 Y243.0 F2500.0 ; Move to side a little
    G1 X65.0 F800.0 E20 ; Draw the second line
    G92 E0 ; Reset Extruder
    G1 X125 Z0.5 F8000.0 ; Move over to prevent blob squish
    G1 Z0.2 F3600 ; Move Z Axis down to drop the string
    G1 X200 F5000.0
    G1 Z0.5 F3600

    M117 Print Begin

[gcode_macro EXIT_BED]
gcode:
    # safe anti-stringing move coords
    {% set th = printer.toolhead %}
    {% set x_safe = th.position.x + 20 * (1 if th.axis_maximum.x - th.position.x > 25 else -1) %}
    {% set y_safe = th.position.y + 20 * (1 if th.axis_maximum.y - th.position.y > 25 else -1) %}
    {% set z_safe = [th.position.z + 2, th.axis_maximum.z]|min %}

    M400                           ; wait for buffer to clear

    ; Retract to avoid oozing during initial calibration of next print
    {% if printer.extruder.temperature >= 230 %}
      G92 E0                         ; zero the extruder
      G1 E-5.0 F2400                 ; retract filament
      G92 E0                         ; zero the extruder
    {% endif %}

    G90                                      ; absolute positioning
    G1 X{x_safe} Y{y_safe} Z{z_safe} F5000   ; move nozzle off part at a diagonal to limit stringing
    G1 X176 Y256 F3000                        ; park nozzle in far right corner so it is closer to X homing
    M107                                     ; turn off fan

    ; Remove calibrated Z offset
    SET_GCODE_OFFSET Z=0

    TURN_OFF_HEATERS

[gcode_macro PRINT_END]
gcode:
    SAVE_GCODE_STATE NAME=STATE_PRINT_END

    EXIT_BED

    RESTORE_GCODE_STATE NAME=STATE_PRINT_END

[gcode_macro CANCEL_PRINT]
rename_existing: CANCEL_PRINT_BASE
gcode:
    TURN_OFF_HEATERS
    CANCEL_PRINT_BASE

    EXIT_BED