Learn & Exams: Reach L3 for Free
All courses are free; pass an exam to widen your order scope. Exam entries are PENDING demos pending boss approval.
Level L1 — L1 Operation Guide
🟢 Daily Printhead Cleaning & Care SOP
Follow the illustrated SOP step by step — works even for brands you have never touched
🟢 Driver & RIP Software Setup
Fix common install failures, ports & network, basic color calibration
🟢 Basic Machine Inspection Checklist
Check media feed, platform, cables and alarm lights point by point
Level L2 — L2 Repair Technician
🟡 Ink Supply Air-Tightness & Ink-Line Diagnosis
Locate and fix the three classic faults: air leaks, ink backflow, damper clogs
🟡 Mechanics: Belts, Rails & Motors
Belt tension, rail lubrication, noisy-motor diagnosis and replacement
🟡 Sensors & Basic Electrical Repair
Sensor calibration, heater temperature faults, safe power-measurement practice
Level L3 — L3 Advanced Repair
🟠 Mainboard Diagnostics, Swap & Trace Repair
Layered diagnostics for dead boards, blown fuses and dead ports
🟠 Printhead Removal & Recovery Workshop
Severe-clog recovery, soaking-solution ratios, end-of-life criteria
🟠 Firmware Flashing & Parameter Backup
Pre-flash backup, failure recovery, version-compatibility checks