When evaluating Liyu inkjet printers, buyers must focus on the printhead technology, typically featuring Konica Minolta or Ricoh G5/G6 heads, which determine resolution and speed. Ensure the machine supports variable droplet technology for smooth gradients. Check the frame construction; a heavy-duty industrial frame is essential to minimize vibration during high-speed printing. Additionally, verify the curing system type (UV-LED vs. Mercury) and the RIP software compatibility (e.g., Photoprint or Onyx) to ensure seamless workflow integration.