Quick checks for connection errors, writing offset, software startup failures and account issues.
Check the USB cable, drivers, COM port and device power before changing settings blindly.
Recalibrate the origin, confirm paper position and inspect the X/Y structure if output keeps drifting.
Check system requirements, run as administrator and reinstall the latest package if needed.
The Chinese guide contains the deeper checklist and more detailed fault descriptions.
Open Chinese guideIf the issue persists, send screenshots, a short video and the exact symptom to the support channel.
Open contactMany connection and startup issues come from incomplete installation or missing drivers.
Open installation