Printing TRIZ Cases

Vertical port positioning in a liquid ejection head prevents air entry into the circulation pump, suppressing ejection stability reduction during operation.

Dual-hardness fillers in a liquid ejecting head fixing plate prevent nozzle damage from warping while containing overflow via structural ribs.

Mask pattern with blank pixels enables rapid nozzle failure detection in inkjet printers, reducing visible artifacts during single-pass printing.

Head supporting base projections guide inkjet cartridge alignment to prevent drops during carriage insertion.

A serrated nozzle inner surface reduces liquid adhesion to eliminate residual volume and prevent cross-contamination during high-density microarray printing.

Differential wall thicknesses enable high suction pressure without increasing rigidity or collision noise in ink jet printing apparatuses.

A liquid ejecting apparatus stabilizes ink droplet ejection through precise waveform configuration.

A separate gas-absorbing apparatus uses a depressurized internal space and gas-permeable film to manage degassing within a liquid housing.

Segmenting the ink guiding unit and circuit board reduces component waste while managing pressure drops through flexible containment.

Drive waveform data generator corrects reference waveforms using per-head correction parameters selected by nozzle count detectors.

Segregating silicon and zirconium into distinct diaphragm layers prevents gap formation and delamination under external deformation forces.

Fine oscillation heats ink in idle nozzles, matching temperatures across the array for consistent discharge.

Segmentation and dimensional mapping enable simultaneous cleaning of staggered rows, reducing maintenance duration.

A single wiper with a hooked end and C-shaped mounting eliminates solvent use, reducing maintenance complexity.

A cylindrical rotary ink box rotates to deposit seal patterns via an integrated spray head.

A substantially inorganic planarization layer composed of alternating dielectric compounds and spin-on-glass layers deposited over micro-fluid ejection head substrates.

Corona discharge polarizes piezoelectric transducers through substrate openings, eliminating depolarization risks from direct contact probe cards.

A recording apparatus calculates total ink levels by combining detected primary reservoir amounts with known secondary reservoir volumes.

A control unit measures sealing and exposing times to calculate nozzle dryness levels for inkjet printer maintenance scheduling.

A thermal print head employs a tantalum metal layer to reduce wiring area and prevent damage from heat release during fine printing.

A flow path member employs a point-form projection to prevent filter sticking and reduce pressure loss in ink jet printers.

A storage amount detection device uses a coupling circuit to electrically connect unused reception electrodes to a constant voltage terminal.

An array of nested capacitive pads detects ink levels and container alignment to prevent leaks from misaligned service modules.

A detection circuit monitors drive signal voltage variations to prevent unintended piezoelectric displacement.

Dual reservoir system with compliance elements stabilizes fluid pressure, preventing nozzle depriming and unwanted ejection during acceleration.

An inclined third flow channel portion reverses ink direction to suppress boundary layer separation and air bubble generation during high-speed filling.

Dynamic pivot angle control adapts agitation intensity to pigment sedimentation levels, reducing mixing time while maintaining uniform ink concentration.

Detects residual vibrations in inkjet pressure chambers to monitor ink viscosity and control piezoelectric drive voltage.

A conductive intermediate film shields piezoelectric layers from peeling solution damage, preserving displacement properties and durability.

An intermediary receptacle blocks bubbles from entering the outflow path, preventing defective ink discharge and missing dots.

Adaptive vibration pulses maintain ink homogeneity and prevent nozzle clogging without causing unwanted droplet ejection.

An ink cartridge uses a light-emitting portion to signal installation status directly to printer sensors.

Differentiated corner radii prevent adhesive protrusion into supply ports and vibration plates, maintaining stable fluid dynamics.

Heating the sub tank maintains ink temperature above a control threshold, preventing ejection failures during rapid consumption.

Differential heating compensates for uneven die usage, resolving the contradiction between reliability and print quality consistency.

An intermediary primer layer enhances bond strength and absorbs interfacial stress to prevent delamination in inkjet print-heads.

Voltage signal wires placed between drive signal wires reduce electromagnetic noise interference, improving liquid droplet discharge accuracy.

An asymmetric suction nozzle removes residual ink drops from the nozzle plate, preventing pool formation and stabilizing discharge reliability.

An inner wall ridgeline with an inter-surface angle larger than 180 degrees prevents capillary forces from interfering with the displacement member.

A liquid ejection head connector uses elastically deformable contact portions with opposite spring forces to maintain stable electrical connections.

A strain sensor on a flexible substrate region detects back pressure changes near a fluid ejection nozzle, preventing air ingestion and fluid leakage.

A print material level sensor uses a series of depth-zone devices to detect remaining ink by emitting heat and sensing thermal response.

Staggered nozzle groups in a liquid ejecting apparatus prevent ink droplet mixing, maintaining image clarity.

A liquid storing container moves along a guide mechanism to expose its visual recognition portion for direct inspection.

Thermally welded flexible films partition ink and gas chambers, resolving sealing complexity while ensuring high deaeration quality.

Orienting the drive circuit board parallel to the scanning direction reduces air resistance and mechanical stress during high-speed reciprocation.

A liquid droplet ejecting apparatus uses a deformable sub tank to pressurize ink and clear nozzle clogs.

A retractable member turns a turning member to adjust the head unit position in liquid processing devices.

A printer controller calculates ink usage indices to manage color substitution across image regions.

Controlled ink drainage wets the nozzle plate surface to absorb residues, while vacuum suction removes the film and prevents edge contamination.