A comb-like support member with curved upper surfaces reduces frictional resistance against helical heating resistors during thermal cycles.
Automated assembly of the wick assembly via a positioning mechanism resolves the contradiction between manual winding productivity and contact reliability.
A segmented heater with independently controllable blocks suppresses overheating in no-media passage portions to prevent toner offset.
Segmented helical heating resistor with embedded fixing plates prevents creep strain accumulation and short circuits.
A shaped resistive heating element constricts current flow through reduced cross-sectional areas to generate intense localized heat.
A boron-phosphate composite coating protects carbon fibers from high-temperature oxidation through a dual heat-treatment process.