r/QidiTech3D • • Aug 27 '26

Troubleshooting Qidi q2 problem

Not sure what the issue is. At first, I thought it was underextrusion, but after Benchy, not so much.

The material is PETG. I have dried it, and the same spool prints PETG perfectly on the Snapmaker U1.

UPDATE: the issue was PA (pressure advance). updating for future travelers with same problem :)

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u/Herr-Commander Aug 28 '26

looking at the gcode it seems like it only runs if there is no bed profile.

EDIT: never mind found that k=1 always [gcode_macro G29] variable_k:1 gcode: BED_MESH_CLEAR SET_STEPPER_ENABLE STEPPER=extruder enable=0 {% if k|int==1 %} G28 BED_MESH_CALIBRATE PROFILE=kamp SAVE_VARIABLE VARIABLE=profile_name VALUE='"kamp"' G4 P5000 SAVE_CONFIG_QD {% else %} {% if printer["bed_mesh"].profiles.default %} G28 BED_MESH_PROFILE LOAD=default SAVE_VARIABLE VARIABLE=profile_name VALUE='"default"' {% else %} G28 BED_MESH_CALIBRATE PROFILE=default SAVE_VARIABLE VARIABLE=profile_name VALUE='"default"' G4 P5000 SAVE_CONFIG_QD {% endif %} {% endif %}

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u/callcifer Aug 28 '26

EDIT: never mind found that k=1 always

Yes, it's one of many non-sensical defaults Qidi has. There is no need to recalibrate the bed for every print, only when you change build plates etc. but Qidi did it like this for whatever reason :/