1. Introduction
The Monoprice Maker Select 3D Printer v2 is designed to bring your ideas and designs from digital files to physical objects. This printer offers a large build volume and compatibility with various filament types, making it suitable for both beginners and experienced users. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your 3D printer.

Image 1.1: Front view of the Monoprice Maker Select 3D Printer v2, showing the main printer frame and the separate control box.
2. Safety Information
WARNING: The heated bed and extrusion nozzle generate high temperatures that can cause serious injury when in use. Never touch the bed or nozzle while the 3D Printer is operating and allow sufficient time to cool down before touching the surface.
- Always operate the printer in a well-ventilated area.
- Keep hands and loose clothing away from moving parts during operation.
- Do not leave the printer unattended while it is operating.
- Ensure the power supply is correctly connected and grounded.
- Keep children and pets away from the printer during operation.
3. Package Contents
Verify that all items are present in the package:
- Monoprice Maker Select 3D Printer v2 unit
- Control Box
- Filament Holder
- Sample PLA Filament
- 2GB MicroSD Card (preloaded with printable 3D models)
- Power Cable
- USB Cable
- Tools for assembly and maintenance
4. Setup
The Monoprice Maker Select 3D Printer v2 is designed for quick assembly, requiring only 6 screws to be tightened before you can begin printing.
- Unpacking: Carefully remove all components from the packaging. Inspect for any damage during transit.
- Frame Assembly: Attach the gantry frame to the base unit using the provided screws. Ensure all connections are secure.
- Filament Holder Installation: Mount the filament holder onto the designated slot on the printer frame.
- Cable Connections: Connect the main cable from the printer unit to the control box. Connect the power cable to the control box and then to a power outlet.
- Power On: Turn on the printer using the power switch on the control box.
- Bed Leveling: Before your first print, it is crucial to level the print bed. Follow the on-screen instructions or refer to the detailed manual for the bed leveling procedure. Proper bed leveling is essential for successful prints.

Image 4.1: Rear view of the printer, illustrating the connection points for the power supply and control box.
Video: Monoprice 13860 Maker Select 3d Printer V2 Overview
Video 4.1: An official overview of the Monoprice Maker Select 3D Printer V2, demonstrating its features and basic setup.
5. Operating Instructions
This section details the steps for preparing and initiating a 3D print.
- Software Preparation: The printer is compatible with various slicing software such as Cura, Repetier-Host, or Simplify3D. Use your preferred software to convert your 3D model (e.g., STL file) into G-code, which the printer understands.
- Filament Loading:
- Place the filament spool onto the filament holder.
- Feed the filament into the extruder mechanism.
- Heat the nozzle to the appropriate temperature for your filament type (e.g., PLA: 190-220°C, ABS: 220-250°C).
- Once heated, push the filament through the extruder until it emerges from the nozzle.
- Loading Print File:
- Save your G-code file onto the provided MicroSD card.
- Insert the MicroSD card into the slot on the control box.
- Navigate the printer's menu using the control knob and LCD screen to select your print file.
- Starting a Print: Select 'Print' from the menu. The printer will automatically heat the bed and nozzle to the set temperatures, then begin the printing process.
- Monitoring the Print: Observe the first few layers to ensure proper adhesion to the heated build plate. The heated build plate allows for high-reliability printing of slow cooling materials, such as ABS, as well as PLA and PLA blends.
- Print Completion: Once the print is finished, allow the bed and nozzle to cool down before carefully removing the printed object.

Image 5.1: Close-up view of the control panel and LCD screen, used for navigating menus and initiating prints.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your 3D printer.
- Clean the Build Plate: After each print, clean the build plate to remove any residue. Use isopropyl alcohol for best results.
- Nozzle Cleaning: Periodically clean the nozzle to prevent clogs. A small brass brush or needle can be used for this purpose.
- Lubrication: Lubricate the smooth rods and lead screws with appropriate grease or oil every few weeks, depending on usage. Pay particular attention to the bearings under the print bed, as they are subject to wear.
- Tighten Belts and Screws: Check and tighten all belts and screws regularly to maintain print accuracy and prevent vibrations.
- Firmware Updates: Check the Monoprice website for any available firmware updates to improve printer functionality.
7. Troubleshooting
This section addresses common issues you might encounter during 3D printing.
| Problem | Possible Cause | Solution |
|---|---|---|
| Filament not extruding | Clogged nozzle, incorrect temperature, tangled filament | Clean nozzle, verify temperature settings, untangle filament |
| Print not sticking to bed | Bed not level, incorrect bed temperature, dirty bed | Re-level bed, adjust bed temperature, clean build plate |
| Poor print quality (layer shifting, stringing) | Loose belts, incorrect print speed/temperature, G-code error | Tighten belts, adjust print settings in slicer, check G-code file for corruption |
| Printer not responding | Power issue, software error, MicroSD card issue | Check power connections, restart printer, reformat/replace MicroSD card |
If you encounter issues, ensure that the G-code file is complete and not corrupted. Always check the original model file for integrity.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 113860 |
| Build Volume | 200 x 200 x 180 mm (8 x 8 x 7 inches) |
| Heated Build Plate | Yes |
| Max. Extruder Temperature | 260°C (500°F) |
| Compatible Filaments | ABS, PLA, XT Copolyester, PET, TPU, TPC, FPE, PVA, HIPS, Jelly, Foam, Felty |
| Compatible Software | Cura, Repetier-Host, Simplify3D |
| Operating System Compatibility | Windows, Mac OS X, Linux |
| Product Dimensions | 19.7 x 18.9 x 11.2 inches |
| Item Weight | 0.04 Kilograms (Note: This weight seems incorrect based on typical 3D printer weights and product dimensions. Please refer to product packaging for accurate weight.) |
| Ambient Operating Temperature | +15 – +30°C (+59 - +86°F) |

Image 8.1: Diagram showing the approximate dimensions of the Monoprice Maker Select 3D Printer v2.
9. Warranty and Support
For warranty information and technical support, please refer to the official Monoprice website or contact their customer service directly. Monoprice support is known to be helpful for addressing product-related inquiries and issues.
You can also find a wealth of community support and resources online, particularly in forums dedicated to this printer model (often referred to as the Wanhao Duplicator i3, which is a rebadged version).





