Printing TRIZ Cases

A detachable wet cap supports nozzle capping, while mounting detection helps prevent leakage and maintain discharge performance.

A convex tank-cover section absorbs drop impact, protecting protruding connection parts while maintaining recycled-material use.

Multiple engaging portions stabilize a printing liquid supply connection while allowing adapter detachment, reassembly, and reuse.

A load-aware correction and feedback circuit adjusts drive signals to improve waveform precision and liquid discharge accuracy.

A piezoelectric ejector detects absorbing-chamber pressure during ink ejection.

Separate contraction waveforms stabilize pressure-chamber behavior and reduce landing-position deviations across mixed droplet sizes.

Bundle target and measurement conditions to simplify drive pulse waveform setting.

A heated supply channel melts high-melting-point ink components, preventing phase separation, clogging, and image-quality loss.

See how stacked connections and a porous heat-storage layer enable fine thermal print-head patterns while limiting wiring defects.

Multiple drive circuits coordinate overlapping and non-overlapping waveforms to control droplet volumes, gradation, and instantaneous power.

Linear chip-holder motion stabilizes ink cartridge contact with printer styluses.

Adjust color profiles for treatment fluid levels to improve consistency and reduce print agent use.

A separated temperature detector monitors the pressure chamber during constant-voltage drive to improve liquid ejection control.

The control unit adjusts wiping, suction, or flushing intensity by printing mode to limit evaporation and liquid waste.

This case combines electrothermal converter resistance and exposed protective-film thickness to set ejection energy without ink ejection.

This case adjusts drive pulse width for active recording and heating elements to stabilize ink density and landing accuracy.

A guided pipe and opening structure improves flow-path alignment, reducing erroneous coupling and vertical size growth during assembly.

A controller coordinates wiper and flushing tank cleaning by elapsed time, reducing liquid consumption while limiting ink fixation in foam.

A partitioned ink tank uses separate chamber covers and a communication path to verify bonding and preserve leak prevention.

Detect filter clogging through flexible-member position changes before ejection failure.

This case shows how a convex protective member preserves impact strength and connection stability in recycled-plastic ink containers.

Separate ejection controls form mist before sheet feeding, limiting paper-dust adhesion without excessive water absorption.

A suppression member distributes humidified air across inkjet nozzles, reducing condensation and supporting consistent ejection.

A heated supply below the cap preserves humidified air temperature, limiting ink evaporation and clogging during idle periods.

This case combines a detachable cap and wiper to recover liquid-discharge nozzles while avoiding added apparatus space.

A sensor compares reflection ratios from adjustment patterns to estimate nozzle ink ejection without a white calibration plate.

This case combines below-threshold ink circulation with parallel preliminary ejection to prevent nozzle contamination during recovery.

Channel orientation and inertance cut high-order pressure waves while keeping the liquid droplet-ejecting head compact.

This printer uses dedicated feeding and depressurizing pumps to limit ink accumulation and preserve color consistency.

A fill-level sensor and ink pump measure volumetric flow to identify fouling before printer downtime and avoid premature filter replacement.

This printer corrects energizing-pulse periods and extends line time to keep thermal prints uniform at constant speed.

A modified Weibull model captures changing ink drop volumes across media and print settings, reducing repeated job-specific measurements.

Segmented cover regions isolate CTE-driven stress while protecting bondpads from fluid ingress and extending device lifespan.

This engineering case uses pre-pressurization, pumping, and an accumulator to prevent pressure fluctuations, clogging, and uneven ink application.

A controlled recirculation pathway keeps print fluid moving through printheads, reducing drying, spitting, and maintenance downtime.

A roll-to-roll substrate prints and continuously polls piezoelectric material, reducing batch delays, time, and manufacturing cost.

A pressing member and engaging portion secure the liquid container, while speed reduction limits sudden uncoupling and ink dripping.

Detect nozzle ejection failures before cleaning to reduce unnecessary ink discharge.

A Group 4 or 5, nitrogen, and oxygen adhesion layer resists heat-driven peeling, rubbing wear, and unstable ink ejection.

Ejection and heat-generation pulses manage jet-unit heating, reducing speed fluctuations in high-viscosity liquid recording.