[GH-ISSUE #666] [Bug]: H2D Virtual Printer: Left nozzle not supported — "Invalid nozzle information" error #438

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opened 2026-05-06 12:29:31 +02:00 by BreizhHardware · 1 comment

BreizhHardware commented

2026-05-06 12:29:31 +02:00

Owner

Originally created by @sureshsnowy-gif on GitHub (Mar 10, 2026).
Original GitHub issue: https://github.com/maziggy/bambuddy/issues/666

Originally assigned to: @maziggy on GitHub.

Bug Description

The H2D Virtual Printer does not support dual-nozzle configurations. When a print is sliced for the left nozzle and sent to the H2D Virtual Printer, Bambu Studio shows "Invalid nozzle information, please update nozzle info or set manually" and the Send button remains disabled.

Expected Behavior

Both left and right nozzle configurations should be fully supported when sending via Virtual Printer, matching the behavior of sending directly to the real H2D printer.

Steps to Reproduce

Create H2D Virtual Printer in Bambuddy (Queue mode, model: H2D O1D)
In Bambu Studio, slice a model assigned to the left nozzle
Place object in "Left nozzle only area" on the build plate
Select H2D Queue as target printer
Open Send dialog → "Invalid nozzle information" error appears
Send button is greyed out — job cannot be queued

Printer Model

H2D

Bambuddy Version

v0.2.2b2

Printer Firmware Version

01.02.10.00

Installation Method

Docker

Operating System

Linux (Ubuntu/Debian)

Relevant Logs / Support Package

Screenshots

Additional Context

Right nozzle prints work perfectly via the Virtual Printer. The issue is specific to left nozzle configurations. Workaround: left nozzle prints must be sent directly to the real printer via LAN, bypassing the Queue entirely.

Checklist

I have searched existing issues to ensure this bug hasn't already been reported
I am using the latest version of Bambuddy
My printer is set to LAN Only mode
My printer has Developer Mode enabled

Originally created by @sureshsnowy-gif on GitHub (Mar 10, 2026). Original GitHub issue: https://github.com/maziggy/bambuddy/issues/666 Originally assigned to: @maziggy on GitHub. ### Bug Description The H2D Virtual Printer does not support dual-nozzle configurations. When a print is sliced for the left nozzle and sent to the H2D Virtual Printer, Bambu Studio shows "Invalid nozzle information, please update nozzle info or set manually" and the Send button remains disabled. ### Expected Behavior Both left and right nozzle configurations should be fully supported when sending via Virtual Printer, matching the behavior of sending directly to the real H2D printer. ### Steps to Reproduce 1. Create H2D Virtual Printer in Bambuddy (Queue mode, model: H2D O1D) 2. In Bambu Studio, slice a model assigned to the left nozzle 3. Place object in "Left nozzle only area" on the build plate 4. Select H2D Queue as target printer 5. Open Send dialog → "Invalid nozzle information" error appears 6. Send button is greyed out — job cannot be queued ### Printer Model H2D ### Bambuddy Version v0.2.2b2 ### Printer Firmware Version 01.02.10.00 ### Installation Method Docker ### Operating System Linux (Ubuntu/Debian) ### Relevant Logs / Support Package ```shell ``` ### Screenshots <img width="1153" height="777" alt="Image" src="https://github.com/user-attachments/assets/aa79fcda-4414-47ba-b897-dd5c451f9bf3" /> <img width="1042" height="893" alt="Image" src="https://github.com/user-attachments/assets/5537c77c-0094-4e8a-9d65-ecc6c6b61039" /> ### Additional Context Right nozzle prints work perfectly via the Virtual Printer. The issue is specific to left nozzle configurations. Workaround: left nozzle prints must be sent directly to the real printer via LAN, bypassing the Queue entirely. ### Checklist - [x] I have searched existing issues to ensure this bug hasn't already been reported - [x] I am using the latest version of Bambuddy - [x] My printer is set to LAN Only mode - [x] My printer has Developer Mode enabled

BreizhHardware

2026-05-06 12:29:31 +02:00

closed this issue
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BreizhHardware commented

2026-05-06 12:29:31 +02:00

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Owner

@maziggy commented on GitHub (Mar 10, 2026):

This not how the virtual printer works for your selected mode. You didn't follow the documentation.

https://wiki.bambuddy.cool/features/virtual-printer/?h=virtu

@maziggy commented on GitHub (Mar 10, 2026): This not how the virtual printer works for your selected mode. You didn't follow the documentation. https://wiki.bambuddy.cool/features/virtual-printer/?h=virtu