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OrcaSlicer Version

2.3.0

Operating System (OS)

Windows

OS Version

Windows 11

Additional system information

No response

Printer

Ender 6 with Biqu H2 V2 Extruder

How to reproduce

1. Enable Z-hop (e.g., 0.4 mm) in Print Settings → Retraction.

2. Slice any model.

3. Inspect the generated G-code just after the start G-code and prime line.

4. Observe this line before the first XY movement:
   G1 Z.6 F9000

5. Set Z-hop = 0 mm and re-slice — the line disappears.

Actual results

When Z-hop is enabled (e.g., 0.4 mm), OrcaSlicer inserts the following G-code line just before the first XY move:

  `G1 Z.6 F9000   ; (G1 Z{ZHop+0.2} F9000)`

This causes the nozzle to lower unnecessarily and dangerously before moving to the first XY location to start printing.
The nozzle has already been raised by the PRIME_LINE macro in the start G-code, so it should remain high until the printer reaches the first print location.
When Z-hop is set to 0 mm, this line does not appear.

Expected results

While Z remains high, the printer should move to the first print location first, and only then lower Z to start printing the model’s first layer.
The correct move should simply be:

G1 F9000

(without any Z movement).

Project file & Debug log uploads

ZHopTestCube.zip

Checklist of files to include

• Log file
• Project file

Anything else?

No response