H2D Nozzle temperature issues #1081

New Issue

MrUnknownDE · 2026-04-05T16:47:02+02:00

MrUnknownDE commented

2026-04-05 16:47:02 +02:00

Originally created by @cowc1um on 1/14/2026

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.2 dev 7bab2c2

Operating System (OS)

Windows

OS Version

Windows 11

Additional system information

No response

Printer

Bambu H2D

How to reproduce

Use both nozzles in any print.

Actual results

When printing with both nozzles, the printer doesnt cool down the unused nozzle in between filament changes. It leaves the inactive nozzle at full printing temperature causing print issues such as stringing and excessive oozing. This also causes high potential for clumping and occasional under extrusion as the filament is not fully primed due to the oozing leaving the incorrect amount of filament in the nozzle

Expected results

Similar to bambu studio, the inactive nozzle should cool when not in use to prevent material degredation, oozing and other issues. The nozzle should then start to head up closer to when it is about to be used

Project file & Debug log uploads

NA

Checklist of files to include

Log file
Project file

Anything else?

No response

*Originally created by @cowc1um on 1/14/2026* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.2 dev 7bab2c2 ### Operating System (OS) Windows ### OS Version Windows 11 ### Additional system information _No response_ ### Printer Bambu H2D ### How to reproduce Use both nozzles in any print. ### Actual results When printing with both nozzles, the printer doesnt cool down the unused nozzle in between filament changes. It leaves the inactive nozzle at full printing temperature causing print issues such as stringing and excessive oozing. This also causes high potential for clumping and occasional under extrusion as the filament is not fully primed due to the oozing leaving the incorrect amount of filament in the nozzle ### Expected results Similar to bambu studio, the inactive nozzle should cool when not in use to prevent material degredation, oozing and other issues. The nozzle should then start to head up closer to when it is about to be used ### Project file & Debug log uploads NA ### Checklist of files to include - [ ] Log file - [ ] Project file ### Anything else? _No response_

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Reference: github/OrcaSlicer#1081