Printing TRIZ Cases

Evaporation-aware calculation estimates waste-liquid volume in an atmosphere-vented container, improving threshold recognition and replacement timing.

A piezoelectric print head uses timed signal switching and residual-vibration sensing to distinguish liquid discharge states with greater precision.

Bank openings with opposing protruding sub-regions organize light-control patterns to improve manufacturing efficiency and support higher display resolution.

Multiple digital ground terminals share a wiring line on the drive board to stabilize grounding and reduce noise in high-speed liquid jet heads.

When lifted, the cleaning-liquid source retracts the supply member from the blade, preventing sheet contamination during inkjet wiping.

Liquid-level sensors detect surface rise from a tilted tank, preventing internal contamination without dedicated tilt sensors.

A two-speed wipe sequence presses the wiper on a nozzle-free region before faster cleaning, controlling liquid and contaminant scattering.

Differently sized reservoirs on the supply and collection paths guide bubbles away from the pressure chamber to stabilize ink ejection.

Fast-drying ink can thicken at the nozzle; timed discharge and non-discharge flushing help preserve ejection quality during high-speed printing.

Nozzle-state analysis selects malfunctioning nozzles for cleaning, reducing excess maintenance, ink-tube wear, and printing downtime.

An N-channel switch supplies piezoelectric residual-vibration signals to a detection circuit for accurate discharge-state sensing.

Multiple temperature detection elements share one driving wiring pattern, preserving discharge-element wiring space and limiting resistance growth.

Flushing ink into the receiver before pretreatment liquid limits coagulant buildup on ink nozzles and preserves discharge performance.

An extendable coupling moves the cap and medium support relative to the liquid ejecting head, simplifying capping and wiping.

A dual-resin sealing member lowers cooling-shrinkage stress on the ejection substrate while supporting wiping against foreign matter.

A detachable tank collects flushing waste and can be exchanged when full, preventing downtime in liquid discharging equipment.

Different-conductivity electrode segments enable multi-level sensing from one reservoir electrode, reducing part count, cost, and footprint.

Photoresist reflow forms a curved nozzle entrance above a straight-walled section, reducing size variation and air intake.

Alternating energy-generation elements and drive circuits create a compact layout that increases density while reducing ejection element substrate area.

Lead diffusion from the piezoelectric layer can raise lower-electrode resistance; a mixture layer helps preserve piezoelectric element performance.

Residual-vibration detection compares continuous and non-continuous piezoelectric driving to tune minute vibration waveforms and stabilize nozzle jetting.

Intermittent clock loading replaces dedicated parser circuitry in print components, reducing silicon area and EMI while supporting varied actuator sizes.

A hybrid piezoelectric and electrohydrodynamic printhead controls droplet size while reducing nozzle clogging.

Periodic signal control adapts anti-fuse write timing to dielectric-breakdown progress, improving storage reliability and write speed.

A recessed wall and adjacent projection contain molten resin during housing assembly, preventing leakage and preserving a strong joint.

Scanned test patterns on a wiping surface reveal blocked print nozzles during printing, enabling proactive maintenance without wasting media.

Dual protective films limit silicon substrate dissolution and improve adhesion between the liquid ejection head substrate and bonded member.

Rotatable coupling members engage wide and narrow hole regions to secure ink paths, limit leaks, and stabilize circulation.

A magnetic float and Hall element compensate for output drift, enabling precise continuous ink level measurement in a container.

Timed filling, ejection, and damping pulses stabilize pressure-chamber vibrations for consistent droplet placement at high speed.

Blow molding integrates the ink container body and supply port, reducing component count and assembly steps for lower-cost production.

Preliminary damping pulses manage nozzle vibrations so liquid droplets form and land accurately during high-speed ejection.

Higher lead content in individual electrodes and lower content in the common electrode improve adhesion and stabilize ejection.

Differential processing and demodulation digitize piezoelectric residual vibration signals to reduce noise during nozzle state detection.

This case uses biased movable valves and fitted convexity-concavity features to align couplings and reduce ink leakage.

The case fills head channels with a positive-pressure pump before circulation to reduce bubbles in high-surface-tension liquid.

Tapered inner and outer fittings, laser welding, and sealing features improve ink circulation reliability while simplifying assembly.

Rotatable coupling stabilizes ink flow paths and reduces leakage at tubular joints.

A coupled valve mechanism uses biasing members and laser welding to stabilize ink flow connections and limit interface leakage.

Rotatable coupling members and laser welding secure ink circulation connections while simplifying maintenance and limiting leakage.

The controller analyzes electrification waveforms and R-V characteristics to set nozzle voltage and distinguish ink quality issues.

A tapered inner and outer fitting with laser welding simplifies ink-tube assembly, improves coaxiality, and limits leakage.

Residual diaphragm vibration evaluates ink ejection stability without external imaging.

A moving absorbing member combines impregnation and wiping to reduce viscosity and remove solidified liquid from the nozzle surface.

Separate liquid paths and absorbent cleaning reduce inorganic pigment residue before wiping the nozzle surface.

A controller uses adjacent nozzles in parallel arrays to restore image quality when clogging causes non-ejection and white streaks.

An electrode signal and multiple voltage thresholds identify nozzle abnormalities for targeted maintenance and head exchange.

Periodic ejection and adjustable nozzle intervals stabilize airflow for accurate droplet detection and fewer unnecessary recovery processes.

Capacitance feedback corrects piezoelectric drive voltage for stable liquid discharge.

An integrated handle simplifies the liquid container and preserves accommodation efficiency.