Ender 3 V2 Nozzle Change

[duncanlovett]

Hello, I am running the firmware on my Ender 3 V2 with CR touch, yellow springs, dual z axis motors, a Sprite Pro DD Extruder/Hot End, with a 0.4mm nozzle. I print with PLA, PLA+ and ePLA mainly but want to start using PETG and PLU, which is why I upgraded to the DD extruder. It prints very nicely as I have done some calibration settings and I am very happy with it. I mainly now use Prusa Slicer and occasionally Cura.

Here are the current settings of a print from Octoprint, that I have sliced and works every time I print it. I generally set the print speed via the control panel to 50% for the first few layers then speed it up to 75% and then 100%. I have started to set it to 50% and then increase to 75% and then 100% via the layer height speed in Prusa which also works perfectly

My question is more likely slicer than firmware, but I want to start using a bigger Nozzle so I can reduce print times. I have tried using a 0.8mm at 0.64 layer height. I have found that by changing those setting in Prusa slicer, I cannot get a 1st layer to stick and wonder if you guys can advise me of what other settings I should change in Prusa Slicer when increasing or reducing the nozzle size.

This is happening with the same roll of filament and when I changed the nozzle back to the 0.4mm and used the previous 0.4 gcode, it prints perfectly again.

Also any tips on any settings I can use to increase the printing speed wold be gratefully received.

Many thanks in advance.

; generated by PrusaSlicer 2.8.1+MacOS-arm64 on 2024-09-30 at 23:20:44 UTC
; external perimeters extrusion width = 0.42mm
; perimeters extrusion width = 0.44mm
; infill extrusion width = 0.44mm
; solid infill extrusion width = 0.44mm
; top infill extrusion width = 0.40mm
; first layer extrusion width = 0.42mm
; prusaslicer_config = end
; z_offset = 0
; xy_size_compensation = 0
; wiping_volumes_use_custom_matrix = 0
; wiping_volumes_matrix = 0
; wipe_tower_y = 140
; wipe_tower_x = 170
; wipe_tower_width = 60
; wipe_tower_rotation_angle = 0
; wipe_tower_no_sparse_layers = 0
; wipe_tower_extruder = 0
; wipe_tower_extra_spacing = 100%
; wipe_tower_extra_flow = 100%
; wipe_tower_cone_angle = 0
; wipe_tower_brim_width = 2
; wipe_tower_bridging = 10
; wipe_tower_acceleration = 0
; wipe_tower = 0
; wipe_into_objects = 0
; wipe_into_infill = 0
; wipe = 1
; wall_transition_length = 100%
; wall_transition_filter_deviation = 25%
; wall_transition_angle = 10
; wall_distribution_count = 1
; variable_layer_height = 1
; use_volumetric_e = 0
; use_relative_e_distances = 1
; use_firmware_retraction = 0
; travel_speed_z = 0
; travel_speed = 150
; travel_slope = 0
; travel_ramping_lift = 0
; travel_max_lift = 0
; travel_lift_before_obstacle = 0
; travel_acceleration = 0
; top_solid_min_thickness = 0
; top_solid_layers = 4
; top_solid_infill_speed = 30
; top_solid_infill_acceleration = 0
; top_one_perimeter_type = none
; top_infill_extrusion_width = 0.4
; top_fill_pattern = monotonic
; toolchange_gcode =
; thumbnails_format = PNG
; thumbnails =
; thin_walls = 0
; thick_bridges = 1
; template_custom_gcode =
; temperature = 210
; support_tree_top_rate = 15%
; support_tree_tip_diameter = 0.8
; support_tree_branch_distance = 1
; support_tree_branch_diameter_double_wall = 3
; support_tree_branch_diameter_angle = 5
; support_tree_branch_diameter = 2
; support_tree_angle_slow = 25
; support_tree_angle = 40
; support_material_xy_spacing = 60%
; support_material_with_sheath = 0
; support_material_threshold = 40
; support_material_synchronize_layers = 0
; support_material_style = organic
; support_material_speed = 40
; support_material_spacing = 1
; support_material_pattern = honeycomb
; support_material_interface_speed = 100%
; support_material_interface_spacing = 0.2
; support_material_interface_pattern = concentric
; support_material_interface_layers = 2
; support_material_interface_extruder = 0
; support_material_interface_contact_loops = 0
; support_material_extrusion_width = 0.36
; support_material_extruder = 0
; support_material_enforce_layers = 0
; support_material_contact_distance = 0.15
; support_material_closing_radius = 2
; support_material_buildplate_only = 1
; support_material_bottom_interface_layers = -1
; support_material_bottom_contact_distance = 0
; support_material_auto = 1
; support_material_angle = 0
; support_material = 0
; start_gcode = G90 ; use absolute coordinates\nM83 ; extruder relative mode\nM104 S150 ; set temporary nozzle temp to 150c to prevent oozing during homing\nM140 S{first_layer_bed_temperature[0]} ; set final bed temp\nM190 S{first_layer_bed_temperature[0]} ; wait for bed temp to stabilize so that mesh tilt is done on fully heated bed\nG28 ; home all axis\nG1 Z50 F1000 ; raise the nozzle a little bit\nG29 L0 ; load mesh from slot 0\nG29 J2 ; Tilt the mesh after a four point probe\nM104 S{first_layer_temperature[0]} ; set final nozzle temp so it begins heating while it moves back to 0,0\nG1 Z50 F3000 ; Move up after the Tilt\nG1 X2.0 Y10 F3000 ; Move to starting position (0,0)\nG29 A ; activate mesh ubl\nM109 S{first_layer_temperature[0]} ; wait for nozzle temp to stabilize\n;prime nozzle begins from here\nG1 Z0.28 F240\nG92 E0\nG1 X2.0 Y140 E10 F1500 ; prime the nozzle\nG1 X2.3 Y140 F5000\nG92 E0\nG1 X2.3 Y10 E10 F1200 ; prime the nozzle\nG92 E0\nM220 S50\n;print begins from here
; start_filament_gcode = "; Filament gcode\n"
; standby_temperature_delta = -5
; staggered_inner_seams = 0
; spiral_vase = 0
; solid_infill_speed = 60
; solid_infill_extrusion_width = 0.44
; solid_infill_extruder = 1
; solid_infill_every_layers = 0
; solid_infill_below_area = 0
; solid_infill_acceleration = 0
; small_perimeter_speed = 30
; slowdown_below_layer_time = 20
; slicing_mode = regular
; slice_closing_radius = 0.049
; skirts = 1
; skirt_height = 1
; skirt_distance = 10
; single_extruder_multi_material_priming = 0
; single_extruder_multi_material = 0
; silent_mode = 0
; seam_position = nearest
; retract_speed = 60
; retract_restart_extra_toolchange = 0
; retract_restart_extra = 0
; retract_lift_below = 0
; retract_lift_above = 0.2
; retract_lift = 0
; retract_length_toolchange = 1
; retract_length = 5
; retract_layer_change = 1
; retract_before_wipe = 70%
; retract_before_travel = 2
; resolution = 0
; remaining_times = 0
; raft_layers = 0
; raft_first_layer_expansion = 3
; raft_first_layer_density = 90%
; raft_expansion = 1.5
; raft_contact_distance = 0.1
; printer_vendor =
; printer_variant = 0.4
; printer_technology = FFF
; printer_settings_id = Master Creality Ender-3 V2 (0.4 mm nozzle)
; printer_notes = Don't remove the following keywords! These keywords are used in the "compatible printer" condition of the print and filament profiles to link the particular print and filament profiles to this printer profile.\nPRINTER_VENDOR_CREALITY\nPRINTER_MODEL_ENDER3V2\nPRINTER_HAS_BOWDEN
; printer_model = ENDER3V2
; print_settings_id = 0.28 mm SUPERDRAFT SPEED (0.4 mm nozzle) Tree Support @creality - Copy
; prefer_clockwise_movements = 0
; post_process =
; physical_printer_settings_id = Ender 3 V2
; perimeters = 3
; perimeter_speed = 60
; perimeter_generator = arachne
; perimeter_extrusion_width = 0.44
; perimeter_extruder = 1
; perimeter_acceleration = 0
; pause_print_gcode = M25 ; pause print
; parking_pos_retraction = 92
; overhangs = 1
; overhang_speed_3 = 25
; overhang_speed_2 = 20
; overhang_speed_1 = 15
; overhang_speed_0 = 15
; overhang_fan_speed_3 = 0
; overhang_fan_speed_2 = 0
; overhang_fan_speed_1 = 0
; overhang_fan_speed_0 = 0
; output_filename_format = {input_filename_base}{print_time}{digits(layer_height,1,2)}mm_{temperature[0]}C_{filament_type[0]}_{printer_model}.gcode
; ooze_prevention = 0
; only_retract_when_crossing_perimeters = 0
; only_one_perimeter_first_layer = 0
; nozzle_high_flow = 0
; nozzle_diameter = 0.4
; notes =
; multimaterial_purging = 140
; mmu_segmented_region_max_width = 0
; mmu_segmented_region_interlocking_depth = 0
; min_skirt_length = 4
; min_print_speed = 15
; min_layer_height = 0.06
; min_feature_size = 25%
; min_fan_speed = 10
; min_bead_width = 85%
; max_volumetric_speed = 0
; max_volumetric_extrusion_rate_slope_positive = 0
; max_volumetric_extrusion_rate_slope_negative = 0
; max_print_speed = 100
; max_print_height = 250
; max_layer_height = 0.32
; max_fan_speed = 100
; machine_min_travel_rate = 0
; machine_min_extruding_rate = 0
; machine_max_jerk_z = 0.4
; machine_max_jerk_y = 8
; machine_max_jerk_x = 8
; machine_max_jerk_e = 5
; machine_max_feedrate_z = 10
; machine_max_feedrate_y = 500
; machine_max_feedrate_x = 500
; machine_max_feedrate_e = 60
; machine_max_acceleration_z = 100
; machine_max_acceleration_y = 500
; machine_max_acceleration_x = 500
; machine_max_acceleration_travel = 500
; machine_max_acceleration_retracting = 1000
; machine_max_acceleration_extruding = 500
; machine_max_acceleration_e = 5000
; machine_limits_usage = emit_to_gcode
; layer_height = 0.28
; layer_gcode = ;AFTER_LAYER_CHANGE\n;{layer_z}
; ironing_type = top
; ironing_speed = 15
; ironing_spacing = 0.1
; ironing_flowrate = 15%
; ironing = 0
; interface_shells = 0
; inherits_cummulative = "0.28 mm SUPERDRAFT SPEED (0.4 mm nozzle) @creality";"Generic PLA @creality";"Creality Ender-3 V2 (0.4 mm nozzle)"
; infill_speed = 60
; infill_overlap = 23%
; infill_first = 0
; infill_extrusion_width = 0.44
; infill_extruder = 1
; infill_every_layers = 1
; infill_anchor_max = 50
; infill_anchor = 600%
; infill_acceleration = 0
; idle_temperature = 150
; host_type = prusalink
; high_current_on_filament_swap = 0
; gcode_substitutions =
; gcode_resolution = 0.0125
; gcode_label_objects = octoprint
; gcode_flavor = marlin2
; gcode_comments = 0
; gap_fill_speed = 30
; gap_fill_enabled = 1
; fuzzy_skin_thickness = 0.3
; fuzzy_skin_point_dist = 0.8
; fuzzy_skin = none
; full_fan_speed_layer = 4
; first_layer_temperature = 215
; first_layer_speed_over_raft = 30
; first_layer_speed = 20
; first_layer_height = 0.2
; first_layer_extrusion_width = 0.42
; first_layer_bed_temperature = 65
; first_layer_acceleration_over_raft = 0
; first_layer_acceleration = 0
; fill_pattern = gyroid
; fill_density = 20%
; fill_angle = 45
; filament_wipe = nil
; filament_vendor = Generic
; filament_unloading_speed_start = 100
; filament_unloading_speed = 90
; filament_unload_time = 0
; filament_type = PLA
; filament_travel_slope = nil
; filament_travel_ramping_lift = nil
; filament_travel_max_lift = nil
; filament_travel_lift_before_obstacle = nil
; filament_toolchange_delay = 0
; filament_stamping_loading_speed = 20
; filament_stamping_distance = 0
; filament_spool_weight = 1000
; filament_soluble = 0
; filament_shrinkage_compensation_z = 0%
; filament_shrinkage_compensation_xy = 0%
; filament_settings_id = "PLA Matt Black Jayco"
; filament_retract_speed = nil
; filament_retract_restart_extra_toolchange = nil
; filament_retract_restart_extra = nil
; filament_retract_lift_below = nil
; filament_retract_lift_above = nil
; filament_retract_lift = nil
; filament_retract_length_toolchange = nil
; filament_retract_length = nil
; filament_retract_layer_change = nil
; filament_retract_before_wipe = nil
; filament_retract_before_travel = nil
; filament_ramming_parameters = "120 100 6.6 6.8 7.2 7.6 7.9 8.2 8.7 9.4 9.9 10.0| 0.05 6.6 0.45 6.8 0.95 7.8 1.45 8.3 1.95 9.7 2.45 10 2.95 7.6 3.45 7.6 3.95 7.6 4.45 7.6 4.95 7.6"
; filament_purge_multiplier = 100%
; filament_notes = ""
; filament_multitool_ramming_volume = 10
; filament_multitool_ramming_flow = 10
; filament_multitool_ramming = 0
; filament_minimal_purge_on_wipe_tower = 15
; filament_max_volumetric_speed = 15
; filament_loading_speed_start = 3
; filament_loading_speed = 28
; filament_load_time = 0
; filament_infill_max_speed = 0
; filament_infill_max_crossing_speed = 0
; filament_diameter = 1.75
; filament_deretract_speed = nil
; filament_density = 1.24
; filament_cost = 12
; filament_cooling_moves = 4
; filament_cooling_initial_speed = 2.2
; filament_cooling_final_speed = 3.4
; filament_colour = #000000
; filament_abrasive = 0
; fan_below_layer_time = 100
; fan_always_on = 0
; extrusion_width = 0.44
; extrusion_multiplier = 1
; extrusion_axis = E
; extruder_offset = 0x0
; extruder_colour = #FCE94F
; extruder_clearance_radius = 55
; extruder_clearance_height = 25
; extra_perimeters_on_overhangs = 0
; extra_perimeters = 0
; extra_loading_move = -2
; external_perimeters_first = 0
; external_perimeter_speed = 30
; external_perimeter_extrusion_width = 0.42
; external_perimeter_acceleration = 0
; end_gcode = {if max_layer_z < max_print_height}G1 Z{z_offset+min(max_layer_z+2, max_print_height)} F600 ; Move print head up{endif}\nG1 X5 Y{print_bed_max[1]0.85} F{travel_speed60} ; present print\n{if max_layer_z < max_print_height-10}G1 Z{z_offset+min(max_layer_z+70, max_print_height-10)} F600 ; Move print head further up{endif}\n{if max_layer_z < max_print_height0.6}G1 Z{max_print_height0.6} F600 ; Move print head further up{endif}\nM140 S0 ; turn off heatbed\nM104 S0 ; turn off temperature\nM107 ; turn off fan\nM84 X Y E ; disable motors
; end_filament_gcode = "; Filament-specific end gcode \n;END gcode for filament\n"
; enable_dynamic_overhang_speeds = 0
; enable_dynamic_fan_speeds = 0
; elefant_foot_compensation = 0.1
; duplicate_distance = 6
; draft_shield = disabled
; dont_support_bridges = 1
; disable_fan_first_layers = 2
; deretract_speed = 40
; default_print_profile = "0.16 mm OPTIMAL (0.4 mm nozzle) @creality"
; default_filament_profile = "Generic PLA @creality"
; default_acceleration = 500
; cooling_tube_retraction = 91.5
; cooling_tube_length = 5
; cooling = 1
; complete_objects = 0
; compatible_printers_condition_cummulative = "printer_model=/(ENDER|CR|SERMOON).*/ and nozzle_diameter[0]==0.4";printer_notes=/.PRINTER_VENDOR_CREALITY./
; colorprint_heights =
; color_change_gcode = M600
; chamber_temperature = 0
; chamber_minimal_temperature = 0
; brim_width = 10
; brim_type = outer_only
; brim_separation = 0.1
; bridge_speed = 25
; bridge_flow_ratio = 0.95
; bridge_fan_speed = 100
; bridge_angle = 0
; bridge_acceleration = 250
; bottom_solid_min_thickness = 0
; bottom_solid_layers = 3
; bottom_fill_pattern = monotonic
; binary_gcode = 0
; between_objects_gcode =
; before_layer_gcode = ;BEFORE_LAYER_CHANGE\nG92 E0\n;{layer_z}\n\n
; bed_temperature = 60
; bed_shape = 5x0,215x0,215x220,5x220
; bed_custom_texture =
; bed_custom_model =
; avoid_crossing_perimeters_max_detour = 0
; avoid_crossing_perimeters = 0
; avoid_crossing_curled_overhangs = 0
; autoemit_temperature_commands = 1
; arc_fitting = disabled
; estimated first layer printing time (normal mode) = 15m 50s
; estimated printing time (normal mode) = 2h 3m 43s
; total filament used for wipe tower [g] = 0.00
; total filament cost = 0.20
; total filament used [g] = 16.76
; filament cost = 0.20
; filament used [g] = 16.76
; filament used [cm3] = 13.52
; filament used [mm] = 5619.36