STREAKING OR DIE LINES

Contaminated or degraded resin • See “Dirt and Contamination” Burned-out heater band, blown fuse or bad • Replace bad component. contactor stuck on/off. Heater band loose or plastic lodged between • Clean metal surface and heater band heater band and metal surface. and retighten (recheck tightness after zone has reached operating temperature) Carbonized or degraded resin in head • Disassemble and clean. Foreign matter lodged in head tooling • Repair/replace tooling if necessary • Plate head tooling for best finish. Damaged head tooling • Repair/replace tooling if necessary • Plate head tooling for best finish