Flow Dynamics Calibration (pattern): numbers won't print #1608

New Issue

MrUnknownDE · 2026-04-05T18:39:06+02:00

MrUnknownDE commented

2026-04-05 18:39:06 +02:00

Originally created by @99thebob on 11/17/2025

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.1

Operating System (OS)

Windows

OS Version

Windows 11

Additional system information

AMD 5600x, Nvidia 3070, 64GB DDR4

Printer

Bambu X1C, 0.6 nozzle

How to reproduce

Click on Calibration tab
Click on Manual Calibration
Click Calibrate
Wait for print to finish

Actual results

The calibration pattern prints, with lines printed using different k-factors. However, the lines are not labeled with the corresponding k-factor values. The blocky area to the right of the pattern is blank.

Expected results

The lines in the calibration pattern are supposed to be labeled with their corresponding k-factor values, in the blocky area to the right of the pattern.

Project file & Debug log uploads

pa_pattern_calib_mode.gcode.zip

Checklist of files to include

Log file
Project file

Anything else?

Examples of numbers not printing; with varied settings and filaments

*Originally created by @99thebob on 11/17/2025* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.1 ### Operating System (OS) Windows ### OS Version Windows 11 ### Additional system information AMD 5600x, Nvidia 3070, 64GB DDR4 ### Printer Bambu X1C, 0.6 nozzle ### How to reproduce 1. Click on Calibration tab 2. Click on Manual Calibration 3. Click Calibrate 4. Wait for print to finish ### Actual results The calibration pattern prints, with lines printed using different k-factors. However, the lines are not labeled with the corresponding k-factor values. The blocky area to the right of the pattern is blank. ### Expected results The lines in the calibration pattern are supposed to be labeled with their corresponding k-factor values, in the blocky area to the right of the pattern. ### Project file & Debug log uploads [pa_pattern_calib_mode.gcode.zip](https://github.com/user-attachments/files/23576494/pa_pattern_calib_mode.gcode.zip) ### Checklist of files to include - [ ] Log file - [x] Project file ### Anything else? Examples of numbers not printing; with varied settings and filaments ![Image](https://github.com/user-attachments/assets/fb8fe6e2-eb3a-46fb-8778-6742ed5106da)

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Reference: github/OrcaSlicer#1608