· Failed to upgrade Rotrics DexArm's Firmware

· DexArm beyond limits/stuck problem

· DexArm couldn't connect to my computer

· How to Fix a Black Screen after upgrading the firmware?

· Rotrics Studio "Internal error occurred"

· DexArm movement accuracy problem

· Software connect problem after safety enclosure installed

· The pen doesn't write with ink

· Laser module won't light

· Fix the clogged 3D printing nozzle

· 3D printing module won't heat up

· The Arm doesn't move, only filament comes out