Ender Ender-3 Pro User Manual

◆ This guide is for the Ender-3 Pro 3D printer.
◆ Select the correct input voltage to match your
local mains (230V or 115V).
◆ Because of software/hardware upgrades and
model differences, new revisions may not be
listed in this guide.
◆ Please plug the Power cord into a three-hole
power jack.
◆ Detailed instructions for use are available on
the SD card.
Ender-3 Pro 3D Printer
• Instructions for assembly
V1.0

Ender Ender-3 Pro Specifications

General

Technology	FDM (Fused Deposition Modeling)
Build Volume	220 x 220 x 250 mm
Layer Resolution	0.1 - 0.4 mm
Nozzle Diameter	0.4 mm
Filament Diameter	1.75 mm
Nozzle Temperature	up to 260 °C
Connectivity	USB, SD Card
Print Speed	up to 180 mm/s
Machine Dimensions	440 x 410 x 465 mm
Bed Leveling	Manual
Supported Materials	PLA, ABS, TPU
Frame Material	Aluminum
Power Supply	24V
Display	LCD

Summary

Assembly Instructions

Bill of Materials (BOM)

Assembly Components List

Catalog of major part assemblies and sections for the 3D printer build.

Fasteners and Tools

Details the specific screws, nuts, washers, and tools needed for assembly.

Base Frame Assembly

Part Preparation for Base Frame

Gathers M5x45 screws, washers, aluminum profiles L/R, and base for assembly.

Attaching Aluminum Extrusions

Secures left and right aluminum profiles to the printer's base using screws.

Power Supply and Screen Installation

Part Preparation for Power and Screen

Gathers M5x8 screws, operation screen, M4x20 screws, and power supply for mounting.

Mounting Power Supply and Screen

Installs the operation screen and power supply unit onto the printer base structure.

Z-Axis Limit Switch Setup

Limit Switch Component Preparation

Prepares the Z-axis limit switch assembly (ZI) and the 3mm Allen key.

Mounting the Limit Switch

Attaches the Z-axis limit switch to the aluminum profile using T-nuts and screws.

Z-Axis Motor Installation

Part Preparation for Z-Axis Motor

Gathers lead screw, motor assembly (Zm), and M4x18 screws for Z-axis installation.

Connecting Motor and Lead Screw

Mounts the Z-axis motor and connects the T8 lead screw to its coupling assembly.

X-Axis Bearing Preparation

X-Axis Component List

Lists aluminum profiles (B1), extrusion assembly (E), nozzle kit (N), and belt parts.

X-Axis Assembly (Part 1)

Profile and Extrusion Assembly

Assembles aluminum profile (B1) with the extrusion assembly (E) using screws.

Timing Belt Routing

Guides the timing belt through X-axis extrusion, nozzle kit, and pulley systems.

X-Axis Assembly (Part 2)

Belt Tensioner Installation

Mounts the belt tensioner assembly (K1) and aligns its T-nut in the aluminum profile.

Belt Tensioning and Adjustment

Installs and tensions the timing belt on the X-axis pulleys and idlers.

X and Z Axis Bearing Integration

Aligning Pulleys and Rods

Aligns X-axis pulleys with base chute and screw rod with nuts in extrusion assembly.

Smoothness Adjustment

Adjusts screws to ensure smooth sliding of the X-axis assembly on the frame.

Gantry Frame Assembly

Gantry Profile Mounting

Secures the aluminum profile (B2) to the printer base using M5x25 screws and washers.

End Cap Attachment

Attaches profile end caps (C) to the ends of the gantry frame aluminum profile (B2).

Rack and Tube Installation

Plastic Tube and Bracket Assembly

Assembles the plastic tube (R1) with the sheet metal bracket (R2) and secures with nuts.

Final Rack Securing

Uses screws and T-nuts to align and secure the assembled rack components to the frame.

Wiring and Tube Connections

Harness Identification and Routing

Identifies and connects wire harnesses for motors, limit switches, and displays.

Bowden Tube and Display Connection

Connects the Bowden PTFE tube to the extruder and the display board harness.