Printing TRIZ Cases

A valve system purges air from a filter-side chamber into an inlet chamber, reducing ink waste and extending print head operational life.

Dynamic droplet size adjustment prevents color streaks at end nozzles while maintaining uniform ink density in staggered print head arrays.

Optimized adhesive geometry suppresses partition wall displacement and crosstalk during organic solvent-based ink ejection from piezoelectric nozzles.

A filling device couples to an ink cartridge supply opening and uses a pressing force section to seal the container after ink injection.

Horizontal wiring substrate extension enables lateral insertion, reducing assembly complexity and costs while maintaining connection reliability.

Segmented bus lines minimize parasitic voltage drops across widely spaced ejectors, ensuring uniform drop ejection without increasing device complexity.

A nozzle plate uses a high chrome density surface layer to anchor water-repellent films directly on stainless steel.

Overlapping vaporization chamber connections reduces horizontal dimension and increases structural robustness while maintaining independent ink feeding.

A two-conductor bus system enables bi-directional communication with replaceable printer cartridges using frequency modulation.

A printing fluid cartridge integrates a light attenuating portion with an electrical interface for ink monitoring.

Selective valve isolation prevents pump wear particles from contaminating ink flow.

Anisotropic etching creates uniform protrusions with inclined surfaces, resolving thickness variation from screen printing to prevent heat leakage.

A cover mechanism closes the fluid catching unit opening during non-flushing periods to maintain internal negative pressure.

Segmented anti-sloshing elements and funnel-shaped bottoms prevent ink stagnation and air inclusion in moving print heads.

A swingable tank holding member manages repulsive forces from multiple ink tanks to maintain head cartridge holding force without adding complexity.

A liquid discharging head uses two adhesives to bond an electric wiring substrate to a supporting member.

A pressure regulating valve opens in response to ink pressure differences to control fluid flow between the reservoir and printhead.

A polymeric layer protects thermal ejection actuators in micro-fluid devices.

Vertical arrangement of elongated cellulose fiber absorbents improves permeability, resolving insufficient diffusibility in block-shaped designs.

A relay portion maintains contact with an absorber to transfer liquid from a receiving portion into a removable collection container.

Periodic vibration of a piezoelectric inkjet nozzle prevents ink drying and solid content precipitation, eliminating nozzle clogging during idle periods.

A liquid storage container uses a capillary groove to supply ink to a filter, preventing air entrapment and maintaining stable negative pressure.

A backpressure capacitor stores potential energy to maintain ink reservoir pressure.

Varying holder wall heights create visible container level differences that reveal incomplete protrusion insertion.

An integrated spraying nozzle directs cleaning fluid toward internal components and gutters, reducing solvent wastage during continuous inkjet printing.

Prioritizing fluorescent ink reduction prevents overflow and maintains tint quality when total application exceeds recording medium thresholds.

A displacement suppressing rib creates a gap to prevent reservoir collapse, ensuring accurate rotational position readings.

Buoyancy-driven valves block communication ports to enable accurate low ink detection via pressure changes, eliminating complex cartridge sensors.

A liquid discharge apparatus uses two head chips aligned in a zigzag manner to optimize droplet impact dispersion across the printing area.

Replacing rigid connectors with flexible tubes reduces assembly height while maintaining reliable ink supply and pressure control.

Segmented electrode configuration in piezoelectric actuators enables bidirectional deformation to maintain displacement stability.

Pneumatic clamping and quick-coupling interfaces enable rapid printhead interchangeability while preventing ink cross-contamination.

Oblique inkjet head chips align nozzles to resolve dot landing deviations while increasing throughput.

A liquid storage container uses a surrounding sheet to join the lid and case without direct bonding.

Protrusions in the nozzle plate suppress satellite droplets and mist by managing meniscus formation, improving ejection reliability.

A common pressure applying mechanism supplies liquids to ejection portions in an inkjet recording apparatus.

A liquid discharge apparatus adjusts flushing operations using measured viscosity differences to maintain optimal ink levels in each discharge section.

A liquid discharge apparatus positions a wiper cleaning station between wiping start and end points to maintain head surface cleanliness.

Longer third electrodes compensate for manufacturing positional deviations to suppress variation in piezoelectric actuator deformation.

A hard imaging device uses a non-aqueous liquid carrier to eject ink droplets onto a transfer member for image formation.

A wall protruding portion supports the film seal on an ink tank container, suppressing leakage while maintaining compact size.

An atmospherically released third tank stabilizes nozzle pressure via height differences, preventing ink leakage and air suction during altitude changes.

Selective ink ejection from faulty nozzles prevents surface contamination and maintains image quality.

A pressure control unit uses an internal flow passage to discharge cleaning liquid from the boundary between a flexible member and a pressure receiving plate.

Segmented ink chambers with a diffusion tube isolate degassed ink from atmospheric exposure, preventing bubble formation during long print runs.

Controller calculates printable sheet counts per color to resolve user confusion when selecting replacement containers.

V-shaped grooves on the ink collection tray channel waste ink toward a discharge portion, preventing solidification that causes clogging.

Protruding second electrode portions increase contact surface area with first electrodes, reducing wiring resistance and improving heat dissipation efficiency.

A liquid ejecting apparatus uses a scraper and liquid storage section to manage waste ink.