Printing TRIZ Cases

Multiple bypass outlets expel bubbles from the upstream chamber, stabilizing pressure and maintaining filter effective area.

Distinct polymer materials for the reservoir and lid resolve manufacturing cost versus mechanical strength trade-offs while preventing leakage.

A head unit arranges reaction liquid and ink nozzle arrays along the main scanning direction to minimize carriage travel distance.

Micromachined piezoelectric steering mirrors correct scan line spacing errors, bow, and skew in raster output scanners using capacitive feedback control.

A liquid ejecting head uses a pressure adjusting mechanism to control supply pressure for the liquid chamber.

Relocating the supply port to the ejection port forming member reduces substrate size while maintaining liquid flow.

A printing apparatus routes waste liquid channels through the cap holding portion to maintain ejection performance.

Segmented nozzle regions with repellent films constrain fluid movement, preventing color mixing during wiping operations.

A liquid ejecting head unit uses a second driving signal to vibrate the piezoelectric element for foreign matter detection.

A fluid printhead integrates internal electrodes and a sense circuit to detect nozzle conditions through electrical conductivity changes.

Projecting portions on the cartridge bottom wall capture scattered ink during removal, eliminating the need to disassemble the unit for cleaning.

Curved mount surfaces allow the LED print bar to rock and settle on a Z datum, resolving tilt issues that degrade image quality.

A higher-positioned air capturing portion utilizes buoyancy to exhaust bubbles, eliminating the need for multiple pumps.

A sub-tank flow restricting part separates ink layers, preventing air-dissolved ink from mixing with fresh ink to stop nozzle clogging.

Reverse phase driving of staggered inkjet nozzles prevents streak patterns without adding hardware, reducing device complexity and manufacturing costs.

Alternating pump discharge states based on chamber thresholds reduce mechanical wear, extending component lifespan while maintaining continuous liquid flow.

A controller executes conditional flushing based on elapsed time to optimize ink-jet printer response speed.

Piezoelectric driving walls generate shear deformation to eject ink through channels with perpendicular substrate access.

Segmented cap portions maintain a thick liquid film on the nozzle face, preventing negative pressure from breaking the seal during cap opening operations.

An angled valve shaft in a liquid discharge head prevents ink adhesion at the inflow port, maintaining stable meniscus position and image quality.

Annular protrusions on the head frame align with support tray pins to secure precise positioning of ink ejection surfaces.

An in-line static mixer blends multiple ink streams within an aerosol jet printhead, eliminating process drift and ensuring uniform multimaterial deposition.

A gravity-fed ink circulation system positions tanks above and below the print head to maintain continuous fluid flow without complex valves.

Differential pressure control during filling prevents air bubble ingestion into the liquid ejection head, ensuring stable ink supply and reliable operation.

Print head temperature detection isolates sensing from drive signals, resolving accuracy loss caused by piezoelectric interference.

Segmented wiping with vacuum pressure removes ink residue from print heads without damaging the anti-wetting coating.

Ejection management part selects active outlets in overlapping head zones to maintain print density.

A liquid discharge head positions electric contacts above the communication pipe to prevent leakage.

A print head uses dual sensors to correct diode temperature readings without waiting for stabilization.

Integrally connected actuators via a thin membrane resolve manufacturing precision and jet break-up uniformity contradictions.

A liquid ejection apparatus uses segmented electrode wiring paths to measure distinct resistance values for accurate remaining liquid detection.

Asymmetric cap members guide ink away from discharge orifices during wiping, preventing adhesion that causes defective ink ejection.

A digital image processing method subdivides data into blocks and shifts them to create gaps that fill with neighboring pixel values.

A cleaning liquid feeding mechanism directs fluid onto a sloped ink collection tray with V-shaped grooves and ribs to flush waste ink.

A bottle holder guide surface aligns an ink bottle while a resisting part controls removal motion to prevent ink leakage during replacement.

A segmented vacuum platen maintains precise media positioning while an overprint trough vents ink mist to prevent deposition and printhead damage.

A printing device adjusts nozzle counts per raster line based on ink color to suppress banding artifacts.

A graphical user interface displays historical printhead condition frequencies to guide technician replacement decisions.

A deformable light-blocking portion protects ink cartridges from external impacts while maintaining optical detection reliability.

Segmenting large inlets into multiple small openings increases refill speed while resisting backflow and hydraulic cross-talk between adjacent chambers.

Varying cam incline angles reduce capping time while keeping perpendicular contact speeds low to prevent ink spillage and meniscus destruction.

An ink cartridge bottom wall integrates a removable sealing portion to simplify mounting operations.

Optimizing passage resistance equalizes flow rates between multiple liquid ejecting heads, preventing temperature instability caused by inconsistent pressure.

A movable plate with four link sections enables independent rotation about two perpendicular axes for stable optical scanning.

Segmented sub tanks with valves and pumps circulate liquid vertically to re-disperse sedimented components.

Circulates deaerated ink through the ejection head passage to maintain stable liquid flow.

Inorganic particles bridge protective and cover layers in thermal heads, resolving insufficient adhesion under external forces.

A liquid ejection apparatus circulates ink and measures impedance to detect volatile component percentage for composition adjustment.