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- EZBoard - EEPROM, TMC Driver Settings, and Acceleration
- EZBoard - FAQ
- EZBoard - Installation Guide & Firmware Info
- EZBoard - Lite V1.X - BTT TFT35-E3 Wiring and Firmware Setup
- EZBoard - Lite V1.x - EZABL Not Triggering Fix
- EZBoard - Lite V1.X – Why do you use the TMC 2208 Instead of TMC 2209 Drivers?
- EZBoard – Flashing Firmware MicroSD Recommendations
- Setting up VSCode to Compile EZBoard Firmware - Local Compile
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- EZPi - Changing/Setting Wifi Network
- EZPi - Disabling Arc Welder Automatic Processing
- EZPi - EEPROM Marlin Editor Plugin Update
- EZPi - Getting Started Documentation
- EZPi - Image Download (All Versions)
- EZPi - Static IP, Hostname, & Camera Options
- EZPi - Updates or Plugins Not Installing
- EZPi - Upgrading PIP
- EZPi – EEPROM datasize error
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- Bowden Fitting Clips for Tough Extruder Fittings
- Creality Extruder Motor Shaft Lengths
- Heatbreak Installation Information
- PTFE Heatbreak Installation Directions
- TH3D Ender 5 Plus ABS Tough Extruder Bracket Assembly
- Tough Extruder Firmware Settings
- Tough Extruder or E3D Titan Assembly Video
- Upgraded Aluminum Extruder Installation Video (V2)
- Using your All Metal Hotend
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- Applying Vision Miner Nano Polymer
- Older EZABL Kits (V1/V2/V3/V3.1)
- Power Blocker Connection Troubleshooting
- PTFE Safety Precautions – ALL PTFE & ToughTube
- Raspberry Pi Direct Wire Power Adapter – How to connect
- TH3D High Amp 12V/24V MOSFET V2 Installation Information and Mounts
- TH3D Solid Bed Mounts Installation Information
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- Creality Dual Extrusion Board Firmware | V2.X Board
- Creality Mega 2560 Board Connections (CR-10S/Dual Board)
- Creality Melzi Board Connections (CR-10/Ender 3/Ender 5)
- Creality V2.0/V2.1/V2.2 Board – Atmel 2560 ICSP Programming Header Pinout
- Creality V4.2.2 & V4.2.7 Board BL Touch Wiring Options
- Creality V4.2.X Board Driver Codes
- Creality V4.2.X TMC Boards - Recommended VREF
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- Creality CR-10 V2 Firmware | V2.5.2 Board
- Creality CR-10/Mini/S4/S5 Firmware | Melzi Board
- Creality CR-10S Pro (V1/V2) Firmware | V2.4 Board
- Creality CR-10S/Mini/S4/S5 Firmware | V2.X Board
- Creality CR-20 Firmware | V2.X Board
- Creality CRX Firmware | V2.X Board
- Creality Dual Extrusion Board Firmware | V2.X Board
- Creality Ender 2 Firmware | Melzi Board
- Creality Ender 3 MAX Firmware | V4.2.X Board
- Creality Ender 3 V2 Firmware | V4.2.X Board
- Creality Ender 3/3 Pro Firmware | Melzi Board
- Creality Ender 3/3 Pro Firmware | SKR E3 Mini Board
- Creality Ender 3/3 Pro Firmware | V4.2.X Board
- Creality Ender 5 Plus Firmware | V2.X Board
- Creality Ender 5/5 Pro Firmware | Melzi Board
- Creality Ender 5/5 Pro Firmware | SKR E3 Mini Board
- Creality Ender 5/5 Pro Firmware | V4.2.X Board
- Creality Ender 6 Firmware | V4.3.X Board
- EZBoard Lite Board Firmware
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- Audew JC-48A Humidor Trays
- Bowden Fitting Clips for Tough Extruder Fittings
- Ender 3 Dual Z Kit PSU Relocation STL Links
- EZABL Probe Mounts - Where to download them
- EZOut Filament Sensor Mount for Wanhao Duplicator i3
- TH3D 40MM Fan Grill
- TH3D Ender 5 Plus ABS Tough Extruder Bracket Assembly
- TH3D Solid Bed Mount Camera Arm STL Files
- TH3D Uno Bootloader Kit Case
- X Gantry Leveling/Alignment Blocks
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- 3D Printer Help Guide Creality & Others
- ABL Z Offset, Gantry Leveling, Babystepping, Storing Offset to EEPROM
- Creality V4.2.X Board Driver Codes
- Creality X Gantry Re-work
- Printer Bed Sizing Chart
- Printer Homing Types | Home Positions Explained | Min/Max/ABL Probes
- Removing Stress Marks from Printed Parts
- SKR E3 Mini, SKR E3 Turbo, Creality V4.2.2, and V4.2.7 LCD EMI Issue
- Testing and Checking your Stepper Motors
- Thermistor Values for Unified 2 Firmware
- Tips for Printing ABS Successfully with your 3D Printer
- What board is in my Ender 3D printer? | Ender 3/5
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- AnyCubic Mega Zero V1 Heated Bed Upgrade DIY Info
- CR-10S V2.0/V2.1 Temperature Repair
- Creality Press-Fit Extruder Gear Removal
- Dual Extrusion Setup Information
- EZABL Duet Board Setup Information
- Filament Handling and Drying
- Linear Advance Information for Marlin Based Firmware
- P.I.D. Bed Calibration Guide
- P.I.D. Hotend Calibration Guide
- Re-wiring 2 Pin Fan Connectors - Video
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- Arduino IDE - Mac OS X Setup Guide
- Pronterface - Using Pronterface to send GCode to your Printer
- Simplify3D - Not Connecting to Printer over USB
- Slicers - Starting Gcode Locations - EZABL
- VSCode - "No such file or directory" Error
- VSCode - Manually Selecting your Upload (COM) Port
- VSCode - PlatformIO Toolbar Missing - How to Fix
- VSCode - Problems & Terminal Tabs
- VSCode - Setup Guide for Unified 2 and Marlin 2 Firmware
- VSCode - Unified 2 Tips for Noobs (Video)
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- 3D Printer Help Guide Creality & Others
- Babystepping with GCode Commands
- CR-10(S) Setup and Mechanical Checks
- Extruder Motor will not Turn
- EZFlex/EZMat/EZPei – Adhesion Tips and Tricks
- Fan Stuck 100% or Not Coming On - Layer Fan or other Fan
- Filament Handling and Drying
- Flashing Firmware with an Uno – Useful if your printer USB port is bad
- Printer Grounding – How to Check your PSU and Grounding Your Bed
- Sensors and Gantry Grounding
- Setting your ZOffset (Video)
- Temp Reading High, MAXTEMP Error, or LCD Blank
- Testing and Checking your Stepper Motors
- Testing your SD Card for errors
- Using your All Metal Hotend
- Y Layer Shifting on Your Printer
- Z Axis Troubleshooting
- Zits or Blobs On My Prints
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- Creality BL Touch Probe Mount Offsets (Metal Bracket)
- Creality CR-10 and CR-10S Models – What Printer do you have?
- Creality CRX – EZABL, EZOut, and Firmware Videos
- Creality Ender 3 & Ender 3 Pro - Upgrades, Information, and Tips
- Ender 3 V2 - Swapping to the 12864 Creality LCD for more features
- Ender 5 Plus Upgrade Paths – EZABL, EZBoard, LCD Kit
- Unified Firmware Wanhao Duplicator i3 Plus Information
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- AC Bed Wiring with a SSR for Control
- BL Touch Wiring Harness Colors – Antclabs vs BigTreeTech (BTT)
- BL Touch Wiring Harness Colors – Antclabs vs Creality
- Creality CR-10 V2/V3 Breakout Board Pinout
- Creality Mega 2560 Board Connections (CR-10S/Dual Board)
- Creality Melzi Board Connections (CR-10/Ender 3/Ender 5)
- Creality V2.0/V2.1/V2.2 Board – Atmel 2560 ICSP Programming Header Pinout
- Creality V4.2.2 & V4.2.7 Board BL Touch Wiring Options
- EZABL PSU 12V/24V Power Wiring
- EZABL SKR 1.4/1.4T Connection
- How to use our Fan Quick Connectors (UY Style)
- MKS Gen L Board Connections
- MKS SGen L V2 Wiring/Pinouts
- TH3D High Amp 12V/24V MOSFET V2 Installation Information and Mounts
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How the Power Blocker Works
The power blocker just severs the 5V connection from the printer board to the USB port. The printer power supply must be ON when using it with USB since power is not being delivered to the printer board from the USB port anymore. All of our power blockers are tested on a printer before they are sent out.
Troubleshooting Connections
If you are having issues with the Power Blocker you can try these troubleshooting steps to isolate if you have an issue with the board and/or your USB cable. Your printer power supply must be ON and the printer plugged in to AC power.
- Plug the printer into your computer and make sure you can establish a connection from the computer to the printer over the USB port. You must have the correct COM port and baud rate set
- If you cannot connect over USB to the printer then the issue lies with either your printer board or the USB cable. Try another USB cable that you know works and is a DATA cable (some USB cables are power only and these will not work)
- Once you can connect to the printer over USB, install the power blocker and try again. If your USB cable and printer board are working, then you will be able to connect to the printer COM port over USB.
Octoprint Connection
When you have the printer connected to Octoprint, you should be specifying the COM port and not relying on the “AUTO” setting. The “AUTO” setting does not work reliably all the time. You should also do a full reboot on the Pi system if you are having issues connecting to your printer.
Octoprint – COM port Selection Information



Octoprint – Doing a full restart
