Rotrics Manual
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  • Rotrics DexArm User Manual V1.2
  • ✨Getting Started
    • 🎮Hands-on Guide
    • 🎨Writing/Drawing
      • Generate G-code with third-party software
    • 🎇Laser Engraving
      • ❗Important - Safety Guideline
    • 🛸3D Printing
      • Generate 3D Printing G-code with Cura
    • 🦾Teach & Pneumatic
    • 📷Computer Vision
    • 🔄Rotary Module
    • Sliding Rail Kit
      • Sliding Rail Kit Installation Guide
    • Conveyor Belt Kit
      • Conveyor Belt Kit Installation Guide
  • 💻Product Overview
    • 🗺️Product Overview
    • 💾Software - Rotrics Studio
    • 🍴Accessories
      • Touchscreen
  • 🔧FAQ & Troubleshooting
    • ❓FAQs
      • Received an Error message in Rotrics Studio?
      • How to toggle developer tools on Rotrics Studio
      • How to re-calibrated DexArm or reset encoder values?
      • How to upgrade DexArm's firmware?
      • How to upgrade the touchscreen firmware?
      • How to send third-party G-code files with Rotrics Studio?
      • How to replace filament?
      • How to set Wi-Fi?
      • How to change touchscreen language?
      • How to execute SD card files?
      • Why can't I copy G-code files to the Touchscreen directly?
      • How to write/draw with different colors?
      • Why it misses part of the image when drawing?
      • How to level DexArm manually?
      • Why my 3D printing module is clogged?
    • 🔑Troubleshooting
      • “G-code sending task started...” Error
      • Laser module won't light
      • Rotrics Studio "Internal error occurred"
      • Failed to upgrade Rotrics DexArm's Firmware
      • Fix the clogged 3D printing nozzle
      • Replace the cracked case
      • How to Fix a Black Screen after upgrading the firmware?
      • DexArm couldn't connect to my computer
      • DexArm beyond limits/stuck problem
      • DexArm movement accuracy problem
      • The pen doesn't write with ink
      • 3D printing module won't heat up
      • The Arm doesn't move, only filament comes out
      • Software connect problem after safety enclosure installed
      • Safety enclosure wiring changes
  • ⌨API(G-code)
    • Introduction
    • Marlin Original Commands
      • [Marlin] G000-G001 - Linear Move
      • [Marlin] G002-G003 - Arc or Circle Move
      • [Marlin] G004 - Dwell
      • [Marlin] G020 - Inch Units
      • [Marlin] G021 - Millimeter Units
      • [Marlin] G028 - Home and StallGuard
      • [Marlin] G029 - Bed Leveling Manual
      • [Marlin] G090 - Absolute Positioning
      • [Marlin] G091- Relative Positioning
      • [Marlin] G092 - Set Position
      • [Marlin] M003 - Laser On
      • [Marlin] M005 - Laser Off
      • [Marlin] M082 - E Absolute
      • [Marlin] M083 - E Relative
      • [Marlin] M092 - Set Axis Steps-per-unit
      • [Marlin] M104 - Set Hotend Temperature
      • [Marlin] M105 - Report Temperatures
      • [Marlin] M106 - Set Fan Speed
      • [Marlin] M107 - Fan Off
      • [Marlin] M108 - Break and Continue
      • [Marlin] M109 - Wait for Hotend Temperature
      • [Marlin] M114 - Get Current Position
      • [Marlin] M200 - Set Filament Diameter
      • [Marlin] M201 - Set Print Max Acceleration
      • [Marlin] M203 - Set Max Feedrate
      • [Marlin] M204 - Set Starting Acceleration
      • [Marlin] M205 - Set Advanced Settings
      • [Marlin] M400 - Finish Moves
      • [Marlin] M410 - Quickstop
      • [Marlin] M420 - Bed Leveling State
      • [Marlin] M500 - Save Settings
      • [Marlin] M501 - Restore Settings
      • [Marlin] M502 - Factory Reset
      • [Marlin] M503 - Report Settings
      • [Marlin] M504 - Validate EEPROM contents
      • [Marlin] M906 - TMC Motor Current
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On this page
  • 1. Tools
  • 2. Disassemble the cracked case.
  • 2.1 Disassemble the black base.
  • 2.2 Disconnect the motor cables, switch wire, and the 5-pin front end signal cable.
  • 2.3 Disassemble the motherboard PCB.
  • 2.4 Disassemble the base encoder board.
  • 2.5 Disassemble the base reducer.
  • 3. Replace the new case.
  • 3.1 Replace the base bearing to the new case part.
  • 3.2 Put the motor cables and 5-pin cables through the case.
  • 3.3 Assemble the reducer.
  • 3.4 Assemble the encoder board.
  • 3.5 Assemble the motherboard.
  • 3.6 Cable connections.
  • 3.7 Test your DexArm.
  • 3.8 Assemble the black base.

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  1. 🔧FAQ & Troubleshooting
  2. 🔑Troubleshooting

Replace the cracked case

PreviousFix the clogged 3D printing nozzleNextHow to Fix a Black Screen after upgrading the firmware?

Last updated 4 years ago

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📅Update: 2020/09/28

1. Tools

  1. M2.5 Hex Key

  2. Phillips Screwdriver x 2

  3. Tweezers

2. Disassemble the cracked case.

2.1 Disassemble the black base.

Use an M2.5 Hex Key to unscrew the 6 hex screws.

2.2 Disconnect the motor cables, switch wire, and the 5-pin front end signal cable.

2.3 Disassemble the motherboard PCB.

Use a Phillips driver to unscrew the 4 motherboard screws.

2.4 Disassemble the base encoder board.

2.5 Disassemble the base reducer.

That's all to disassemble the base part. Now let's replace the new case.

3. Replace the new case.

3.1 Replace the base bearing to the new case part.

3.2 Put the motor cables and 5-pin cables through the case.

3.3 Assemble the reducer.

Use the Phillips screwdriver to fix 8 screws.

If one of the small screws stick on the magnet, use the tweezers to put it back and screw on.

3.4 Assemble the encoder board.

Assemble the encoder board and connect the short cable to the base motor.

3.5 Assemble the motherboard.

3.6 Cable connections.

Connect the #1, #2, #3 cables to the corresponding port and connect the 5-pin cable and the switch wire.

3.7 Test your DexArm.

Connect it to Rotrics Studio, move it to the HOME position and test the font cable with your laser module.

3.8 Assemble the black base.

Now you've run through all the replacement steps. Have fun making!

Note: There are four small screws beside the magnet.

Note: be careful and don't break the motherboard.

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