System Configuration Guide
- This guide will walk you through the basic configuration of the FlyOS-Fast system, helping you get started quickly and optimize your user experience.
Configuration Methods
- System Configuration via Config Myprint Software
- System Configuration via Browser
1. Config Myprint Software Configuration
- Open the Config Myprint software to perform configuration.
- After inserting the system card into the computer, the software will automatically detect the system card.
✅ Operation Tip: After completing the selection and modification of all configuration items, please be sure to click the Manual Write Configuration button to ensure all settings are correctly saved to the system card.

1. Enable Configuration Function
Click the Enable System Configuration switch to activate the system configuration options.

2. Basic Settings
Configuration File Management
- Only supports folder selection
- Configuration files within the selected folder will be automatically copied to the system card
- System will automatically load configurations upon startup

Wi-Fi Network Configuration
Enter the available Wi-Fi name and password to configure the device's network connection.

Web Interface Selection
Currently supported web UIs:
- Fluidd - Lightweight Klipper web interface
- Mainsail - Feature-rich Klipper web interface

Display Settings
Configure display parameters according to the connected display type.

3. Advanced Settings
Device Identification
Set a personalized printer name for network identification.
Camera Function
Configure camera service parameters to enable video monitoring functionality.
Regional Settings
Set the system language and corresponding time zone to ensure accurate time display.
Communication Settings
Configure CAN bus transmission rate to optimize communication between devices.
Warm Reminder: After completing all configurations, please safely eject the memory card, then insert it into the target device to boot the system.
- Please read the following content first to understand how to modify the configuration file of the FlyOS-Fast system.
- Ensure the system can boot normally.
- Connect to the device via Ethernet cable or Wi-Fi, then modify the configuration through a browser.
Important Notes
- Settings in the configuration file will only take effect the first time the system starts after flashing.
- As the configuration process is relatively complicated, it is highly recommended to connect to the device via network and then configure through a browser.
- This tutorial only provides modifiable options.
- It is recommended to use either
mainsailorfluiddweb interfaces for configuration changes. - Please do not enable browser translation, as the system may fail to start after saving.
- It is better not to enter Chinese or special characters in the configuration file.
- Changes to the configuration file will take effect only after restarting the system.
- Do not modify any content below
######### PLEASE DO NOT EDIT THE FOLLOWING #########in the configuration file.
How to Modify the Configuration File
Modifying the Configuration File After Flashing
- Configuration options that only take effect on the
first bootmust be modified by using a professional text editor to open theconfig.txtconfiguration file located in theFlyOS-Confremovable disk immediately after flashing.
Online Configuration Modification After System Startup
-
For general configuration options, you can modify them via the web configuration interface of the system and the changes will take effect after restarting the system.
- Open the device's IP address in your browser, for example:
192.168.1.2/ - In fluidd, uncheck the option as shown in the left image below ->
Hide hidden files and folders. - In mainsail, check the option as shown in the right image below ->
Show hidden files.


- You will now see the
.flyos-configfolder. Inside this folder there is a file namedsys-config.conf.

- The
sys-config.conffile is a symbolic link to theconfig.txtconfiguration file located in theFlyOS-Confremovable disk.

-
Open the
sys-config.conffile, modify the required configuration items, thenSave->Closeand restart the system. -
Note: The format of configuration items in the
sys-config.conffile iskey=value. Do not change it tokey: value. -
After saving modifications, restart the system for the changes to take effect.
- Open the device's IP address in your browser, for example:
Configuration Items
🛠️ System Configuration Guide
Welcome to the system configuration guide! This guide will help you easily set up your device.
📶 Wireless Network Settings
These settings take effect automatically every time the device starts
| Configuration Item | Default Value | Optional Values | Description |
|---|---|---|---|
WIFI_SSID | Empty | Your WiFi name | After entering, the device will automatically connect to this WiFi network on startup |
WIFI_PASS | Empty | Your WiFi password | If the WiFi has a password, please enter it here |
💡 Tip: Both fields must be filled to successfully connect to WiFi
🖨️ Printer Basic Settings
✨ Important Notice: These settings only take effect on the first boot, and modifications afterward will have no effect
| Configuration Item | Default Value | Optional Values | Description |
|---|---|---|---|
language | zh-CN(Chinese) | Chinese, English, Japanese, German, and 18 other languageszh-CN, zh-HK, en, de, cz, es, hu, ja, nl, pt, se, uk, da, fr, it, ko, pl, ru, tr | Set the display language for the web control interface |
printer_name | Empty | Any name (e.g., "My 3D Printer") | Give your printer a name for easy identification |
⚙️ System Basic Configuration
These settings take effect automatically every time the device starts
| Configuration Item | Default Value | Optional Values | Description |
|---|---|---|---|
board | Auto Detect | System auto-recognized, do not modify | Your motherboard model, the system will automatically identify it |
localtime | Asia/Shanghai | Global time zones | Set your time zone, the time will be automatically calibrated after connecting to the network |
canbus_bitrate | 1000000 | 1000000(Recommended)500000250000 | Set the communication speed for CAN bus devices, usually keep the default |
🖥️ Screen Display Settings
The following settings are applied automatically every time the device starts
| Configuration Item | Default Value | Optional Values | Description |
|---|---|---|---|
screen | hdmi | none: Turn off all screen displayhdmi: HDMI interface displayfly-tft-v2-r: FLY-TFT V2 Resistive Touchscreenfly-tft-v2-c: FLY-TFT V2 Capacitive Touchscreen | Select the screen type matching your hardware |
rotate | 90 | 0: No rotation90: Rotate clockwise 90 degrees180: Rotate 180 degrees270: Rotate clockwise 270 degrees | Adjust the display orientation for FLY-TFT touchscreen This setting has no effect on HDMI screens |
klipper_screen | 0 | 0: Not enabled1: Enabled | Whether to enable the KlipperScreen touch interface After enabling, you can operate the printer directly via touchscreen |
moon2uart | 0 | 0: Not enabled1: Enabled | Whether to enable the FLY serial screen function This function must be used with the FLY-WiScreen 7-inch screen |
🔧 Klipper-related Settings
These settings take effect automatically every time the device starts
| Configuration Item | Default Value | Optional Values | Description |
|---|---|---|---|
klipper_webui | fluidd | fluiddmainsail | Choose the web control interface for Klipper |
crowsnest | 0 | 0: Not enabled1: Enabled | Whether to enable the camera monitoring function |
🖨️ Printer Type Selection
These settings take effect automatically every time the device starts
| Configuration Item | Default Value | Optional Values | Description |
|---|---|---|---|
printer | klipper | klipper, rrf | Choose the printer control system - klipper: commonly used 3D printer system - rrf: another control system |
🔌 Power Failure Protection and Shutdown Settings
The following settings are applied automatically every time the device starts
- Power Recovery Printing: After an unexpected power outage, printing can continue once power is restored
- Power-off Shutdown: Automatically and safely shut down the system when a power outage is detected
- Conflict Between the Two: If you need to use power recovery printing, you must disable this power-off shutdown feature
| Configuration Item | Default Value | Optional Values | Description | Hardware Pin |
|---|---|---|---|---|
shutdown_pin_state | 0 | 0: High level trigger1: Low level trigger | Set the electrical detection method for the shutdown button | |
shutdown_pin | none | Specific GPIO pinnone(Disable feature) | Set the hardware pin connected to the shutdown button | |
⚠️ Important Notice
🛑 Do not modify the following content:
In the configuration file, all content below ######### PLEASE DO NOT EDIT THE FOLLOWING ######### should not be modified, otherwise it may cause the system to fail to work properly.