1. Tips:
⚠️ Please make sure to follow this guide and do not skip any steps.
After updating the firmware, from the main interface, click on the
icon, then the icon, followed by , and finally . The machine will automatically perform detection and pause near the top of the calibration module. You can adjust the nozzle to the center position of the calibration module using the distance units and X/Y axis movement directions on the interface. Once done, click , and then perform the automatic leveling again.Screen Sequence for Calibration:
- Tools Icon: A screen showing the main interface with a 'Print' button and a 'Tools' icon (represented by a gear symbol) at the bottom.
- Control Icon: A screen displaying options like 'Preheat', 'Nozzle Temp', 'Hotbed Temp', 'ABS', 'PLA', and a 'Control' icon (represented by a joystick symbol) at the bottom.
- Module Calibration: A screen with options such as 'Auto-Level', 'Module Calibration', and 'Vibration Compensation'.
- Position Calibration: A screen titled 'Module Calibration' with options for '0.1mm', '1mm' distance units, X/Y axis movement controls (arrows), 'Position Calibration', and a 'Save' button.
2. Upgrade Steps:
2.1. Connect to Wi-Fi:
Plug in the device and turn it on. On the main interface, click on the
icon (gear symbol), then , , and activate the option. The device will automatically search for nearby 2.4GHz Wi-Fi signals.Select the corresponding Wi-Fi signal, input the password, and the device will connect to Wi-Fi when the Wi-Fi icon on the left turns blue.
Visual Aid for Nozzle and Calibration:
A diagram illustrates the 3D printer's print head with the nozzle positioned over a calibration module on the print bed. The nozzle is highlighted, indicating its role in the calibration process. Some parts of the printer are omitted for clarity.
Screen for Module Calibration:
A screen titled 'Module Calibration' shows controls for adjusting the nozzle position in 0.1mm or 1mm increments, along with directional arrows for X and Y axis movement. It includes a 'Position Calibration' button and a 'Save' button.
2.2. Upgrade Firmware:
For readability, the images in the following illustration show all the available options, which may differ from the actual device interface. Please follow the prompts below:
Screen Sequence for Firmware Upgrade Initiation:
- Main Interface: A screen showing 'Local Storage', 'Dark Theme designed', 'Task manager app design', and a 'Settings' icon (gear symbol) at the bottom.
- Settings Menu: A screen displaying options like 'Filament Detector', 'Move', 'Fan', 'Cloud', 'Support', and a 'More Settings' button.
- More Settings Menu (Page 1): A screen with options such as 'Key Sound', 'Screen Off', 'PID Pid Calibration', 'Guide', 'Language', 'About Machine', and 'System Restore'. The 'About Machine' option is typically found by scrolling down.
Click on the top-left corner '⬅️' icon to return to the Settings interface. From the Settings menu, click
, then . An arrow icon indicates the next step. The device will prompt you to confirm the upgrade. After confirming, the firmware upgrade will automatically complete within 3 minutes.Confirmation and Progress Screens:
- About Machine Screen: Displays information like 'Machine: Anycubic Kobra 2 Plus', 'Firmware Version: Anycubic 1.0.0', 'Print Size: 220*220*250mm', and 'WIFI IP: 192.168.1.1'.
- Firmware Update Prompt: A dialog box appears asking, "Find new firmware version, are you sure you want to update?" with and buttons.
- Updating Firmware Message: A message indicating, "Updating firmware, please keep the printer powered on. It will automatically restart after updating."
3. Device Calibration:
After the firmware upgrade is complete, the device will automatically restart. Once the device restarts, it will prompt you to go through the setup process again. Please do not skip this setup. Follow the on-screen instructions carefully.
Device Setup and Calibration Flow:
A series of screens guiding the user through initial setup after a firmware upgrade:
- Language Selection: Options for '简体中文' (Simplified Chinese) and 'English'.
- Area Selection: Options for 'Global' and 'China'.
- Network Configuration: Displays available Wi-Fi networks like 'Anycubic-Office', 'Ax56U', 'Huawei 5G', 'Openwrt'.
- Cloud Connection: Shows options to 'Install APP' and 'Bind Account' via QR code.
- Complete Setup: A screen with the Anycubic logo and the text "For Freedom To Make", prompting to 'Enjoy Your 3D Printing'.
- Start Operation Guide: Asks if the user wants to start the operation guide with 'YES'/'NO' options.
- Insert U-Disk: Instructions to insert a U-Disk according to a diagram.
- Self Test: Steps for 'X Axis Detection', 'Y Axis Detection', 'Z Axis Detection'.
- Auto-Level: Steps for 'Preheating', 'Wiping Nozzle', 'Probe'.
- Load Filament: Instructions to insert filament into the print head until extruded.
- Vibration Compensation: Message "Detecting the resonance, don't touch the Printer."
- Print The Model: Asks "Print The Model?" with 'YES'/'NO' options.
If you do not receive a prompt to go through the setup process, follow these steps:
On the main screen, click on
. Then click . In the next screen, click on . You will be asked if you want to enter the user guide; click to proceed. This will ensure that the device is properly calibrated after the firmware upgrade.4. Version Confirmation:
Go to
, then , and finally to check if the firmware version has been successfully updated.Screen Sequence for Version Confirmation:
- Main Interface: A screen showing 'Local Storage', 'Dark Theme designed', 'Task manager app design', and a 'Settings' icon (gear symbol) at the bottom.
- Settings Menu: A screen displaying options like 'Filament Detector', 'Move', 'Fan', 'Cloud', 'Support', and a 'More Settings' button.
- More Settings Menu (Page 1): A screen with options such as 'Key Sound', 'Screen Off', 'PID Pid Calibration', 'Guide', 'Language', 'About Machine', and 'System Restore'.
- About Machine Screen: Displays information like 'Machine: Anycubic Kobra 2 Plus', 'Firmware Version: Anycubic 2.3.5', 'Print Size: 220*220*250mm', and 'WIFI IP: 192.168.1.1'. This screen confirms the updated firmware version.
5. Troubleshooting:
Troubleshooting Guide
If there is a leveling anomaly, please follow the steps below to check:
Leveling Anomaly Message:
A dialog box stating: "The module is abnormal. Please calibrate the module and wiring" with a
button.- After powering off, check the wiring of the leveling calibration module to ensure it is connected properly. Then, restart the machine.
- Press > > > . Use the and options on the screen to move the nozzle to the center point of the calibration module. Once done, click on . Afterward, perform the leveling operation again.
Visual Aid for Nozzle Position:
A diagram shows the 3D printer's print head with the nozzle positioned over the calibration module on the print bed. The nozzle and calibration module are clearly labeled. Some parts of the printer are omitted for better display.
Screen for Module Calibration (Troubleshooting):
A screen titled 'Module Calibration' with '0.1mm' and '1mm' distance unit options, directional arrows for X and Y axis movement, a 'Position Calibration' button, and a 'Save' button.
6. Additional Issues:
If you encounter any problems during the upgrade, Anycubic recommends creating a support ticket. The after-sales engineers will assist in finding a solution to the problem (reply time: 1 working day).
To submit a ticket, please visit the After-sales Ticket Submission Page.