Printing TRIZ Cases

Linear pad alignment and thicker wiring let a thermal print head support wire bonding while reducing width, defects, and voltage drop.

A revised electrode overlap layout protects the insulation layer from repetitive strain, reducing leakage while preserving piezoelectric deformation.

Modulation, amplification, level shifting, and demodulation preserve piezo drive waveform accuracy while reducing signal loss in liquid ejectors.

Recovery timing is adjusted by dot count per unit time, helping inkjet heads avoid bubble buildup, ejection failure, and wasted ink.

A variable-resistor filter creates pseudo residual vibration signals to inspect inkjet ejection state without extending the print cycle.

Side-surface LED electrodes and a surrounding conductive layer preserve light output while improving micro LED electrical connection and image quality.

Alternating continuous and intermittent ink circulation removes dissolved gas, limits pump wear, and preserves print head ejection performance.

A non-uniform annular seal cuts insertion and removal force while maintaining stable sealing during ink replenishment.

Partitions create alternating flow channels that stir ink, reduce temperature variation, and improve discharge consistency in heated head modules.

A keyed cartridge surface contacts matching case engagement portions during insertion, making misalignment obvious and preventing accidental dislodgment.

Neighboring nozzles are fired with the target nozzle to stabilize low-velocity droplet flight and improve optical ejection-state detection.

Continuous level sensing and independent tank pressure control stabilize ink flow, prevent print flaws, and enable automatic purging.

Multiple test heads contact cartridge chips through package openings, enabling parallel testing, faster data exchange, and lower test cost.

A board routed across the heat dissipation plate moves driver ICs away from the paper outlet to block water ingress and protect printer reliability.

Film stress tuning between the elastic and insulating layers limits initial plate deflection and improves liquid discharge efficiency.

Support ledges and an angled latch align multiple fluid ejection cartridge sizes while protecting flexible circuits and preventing air ingestion.

By moving the circuit board farther from the supply port, this ink cartridge layout reduces ink scatter on contacts and improves conduction reliability.

An amplified temperature signal and controlled reference voltage improve print head temperature accuracy for more precise liquid ejection.

Analog drivers use a tristate voltage hold to create complex piezo print-head waveforms with fewer power sources and lower ASIC complexity.

Category-specific image reduction cuts printed-image test data while preserving accuracy, easing hardware load and cost.

Direct channel injection fills a liquid ejection head through a wider opening, avoiding suction-driven ink discharge and reducing waste.

A thickened lower electrode and raised upper electrode reduce boundary stress and dielectric breakdown in liquid discharge head actuators.

A charged carrier-fluid stream acts as a mobile electrode in EHD printing, extending throw distance and enabling high-resolution deposition on non-conductive surfaces.

Unequal ejection counts for adjacent inkjet nozzles reduce airflow disturbance and stabilize ink landing positions for better print quality.

A high-reflectance protective film keeps ink-resistant nozzle substrates measurable by white light interferometry for consistent ink discharge quality.

A spring-biased first valve and differential pressure second valve stop ink leakage during cap removal, even when the container is tilted.

Upward pipe loops and air vents purge trapped air from ink circulation paths, stabilizing pressure and preventing discharge faults.

Circulating ink between tank regions before vacuum degassing improves dissolved air removal and helps prevent nozzle clogging.

A bottom-outlet and smaller submerged inlet circulate ink under reduced pressure, improving degassing in large-capacity ink tanks.

Tapered filter pillars in inlet channels stabilize the meniscus, cut air entrainment, and support higher-frequency large-droplet ejection.

By shifting the inkjet head to maximize nozzle coverage of dotting areas, emission-layer printing for displays takes less time.

Electrical resistance in ink supply channels reveals air inclusions early, enabling selective print head regeneration and better print quality.

A spring-biased outlet valve seals before the ink introduction member is fully removed, reducing residual ink leakage after refilling.

A movable pressure chamber separates bubbles and solid matter from ink flow, stabilizing ejection and reducing purge ink loss.

Feed control based on discharge timing stabilizes circulatory head pressure, reducing dripping and bubble formation during printing.

A tilted reservoir bottom guides pigment precipitates to a low-point discharge port, keeping agglomerates out of circulating print heads.

Inlet and expansion channels regulate refill flow across viscosity changes, keeping firing frequency stable without feedback control.

Separated lower electrodes reduce stress concentration and crystal-state damage in liquid discharge head actuators while preserving discharge performance.

Patch images with slanted edges let the printer detect each nozzle unit position from density distributions, even when ink ejection faults cause defects.

A pivoted liquid storage section uses remaining liquid weight to open or close the supply path, avoiding float valve sticking and air intake.

Different wiping members clean ink and treatment liquid heads according to liquid properties, preventing nozzle clogging and preserving print quality.

Selective insulating film placement and film stress control limit vibration plate deflection and improve liquid discharge efficiency.

Varying recess wall heights near nozzle-row ends stabilize airflow, reducing droplet bending and white streaks in printers.

Overlapping through-holes and recessed filter sections cut flow resistance and pressure loss while maintaining fine foreign-substance filtration.

Server-linked head and ink data sets drive timing, scan speed, and head gap, cutting setup time for printer manufacturers.

Staged modulation, amplification, and level shifting improve liquid ejecting drive waveform accuracy while reducing switching losses.

Alternating odd and even dot ejection across shifted nozzle arrays cuts memory demand while sustaining high-speed, high-resolution printing.

Adaptive electrode potential control limits kogation and protective-layer wear as ink composition changes, helping keep droplet discharge and print quality stable.

A trapezoidal cancellation waveform suppresses residual oscillation after droplet ejection, reducing satellite droplets and improving print quality.

A dual-pump ink path places replenishment near the supply tank to limit shear, reduce ink aggregation, and prevent head clogging.

Using a working fluid with a boiling point above 100°C prevents complete vaporization at elevated temperatures, enabling higher actuation frequencies.

Resilient support allows the cartridge circuit board to move vertically, absorbing impact forces during device insertion.

Positioning electrical contacts on an end surface perpendicular to the mounting direction minimizes rubbing during repeated insertion and removal operations.

Joining heater wafers to silicon substrates eliminates thermal expansion mismatches, ensuring robust alignment of inkjet orifices and chambers.

Automated purge cycles with threshold analysis eliminate subjective operator evaluation, reducing ink waste and time loss during printer startup.

A control unit lowers the negative-pressure tank liquid level below a reference height before starting ink circulation to prevent ink entry into the air pump.

A dual reservoir printer ink refill system uses a pump and valve to transfer composition between tanks.

A search unit identifies target image conversion tables using acquired search values for ink amount data generation.

A printing apparatus disposes metallic and color images in an outline area to create a blurred boundary.

A segmented inkjet head design reduces ink chamber capacity through independent discharge portion optimization.

A printer ink cartridge uses a bubbling liquid channel to introduce ambient air and maintain stable negative pressure.

Controlling tube aeration between 10 and 60 μL/day with low dielectric solvent prevents bubble formation and creep-induced leakage.

An intermediary repair chip restores electrical conductivity in damaged ink cartridges, enabling reuse and reducing waste.

Signal control logic suppresses ejection clock and array data during die sensing to prevent sensor damage and maintain measurement accuracy.

An inflatable air bag expands within a sealed ink reservoir to replace consumed volume, eliminating flow resistance and residual ink retention.

A sonic wave sensor unit positions a reception side vibrating surface inside a holder through hole to isolate the piezoelectric element from case reflections.

Guide portions on a projection align electrical and fluid connections, simplifying the complex mounting operation of waste liquid containers.

A drop generator uses a stimulation chamber with quality factor Q lower than 2 to eject ink jets via piezoelectric actuation.

Segmented pin configurations reduce electromagnetic interference and propagation times by minimizing loop area and inductance.

Dual counters monitor voltage and pulse signals to detect wire damage, reducing false restrictions from power fluctuations.

A printing element substrate uses delay circuits to generate multiple delayed signals for instantaneous phase correction.

Energizing an actuator with extended waveforms shapes pressure waves to stabilize the liquid meniscus in drop-on-demand jetting devices.

A hybrid printhead circuit uses cold and hot switch phases to drive piezoelectric actuating elements with adjustable pulse shapes.

Closed-port liquid injection into inkjet storage tanks minimizes air bubble accumulation, eliminating the need for negative pressure generating devices.

An asymmetric partition wall in a rockable suction cap separates deep and light color ink chambers, preventing contamination of light nozzles.

Perpendicular wiper motion directs ink droplets outside the conveyance path, preventing contamination of recording media and mechanisms.

Movable walls and biasing members align small circuit board electrodes with contacts, preventing separation under vibration.

External thermal treatment fixes image retention without internal heating devices, preserving display speed and reducing device weight.

A thermal head control program adjusts main and sub pulse timing to ensure consistent heat distribution across heater elements.

Positioning the supply port above the outlet port accelerates cleaning liquid permeation into the absorbent member, reducing maintenance downtime.

A dual container setup uses a hydraulic head difference to move fluid directly to the print head, reducing relay cartridge wear from continuous flow.

Electric resistances connect adjacent individual electrodes in a piezoelectric inkjet head, equalizing pressure generation across single and multi-nozzle driving modes.

Segmented box-shaped case with opposing leg portions creates finger gaps to resolve flat surface pickup difficulty.

Symmetric dual chamber inlets and aligned heating elements minimize satellite droplets by preventing skewed bubble formation during ink ejection.

A laminated plate structure maintains a work of adhesion at 0.065 J/m2 or less to prevent ink penetration into the adhesive interface.

Acquires liquid ejection data at multiple potentials to determine optimal supply signals, compensating for manufacturing variations and temperature effects.

Thinned lead-free BNKT actuators resolve fragility trade-offs to enable high-resolution printing.

A controller manages liquid discharge onto a receiving member to optimize cleaning cycles.

A vent hole barrier opens upon printer connection to manage internal pressure dynamics within a rigid ink tank system.

A control section reads correction data for LED elements and coupled lenses to adjust light intensity.

Multi-stage voltage amplification reduces power consumption and eliminates low-pass filters in capacitive load drive circuits.

A segmented light-irradiated portion with aligned members enables optical sensor detection of ink cartridge type.

An integrally molded resin-metal substrate stabilizes the common liquid chamber, preventing thermal expansion from increasing inkjet head size.

Non-parallel super cell boundaries in multi-pass recording minimize banding and joint stripes while lowering memory requirements for pixel group specification.