Printing TRIZ Cases

Communication-data flags switch analog circuit current on demand in a liquid discharge head substrate, cutting power use without extra electrodes.

Splitting multi-array and single-array heater data reduces input terminals, cutting current use, substrate size, and sealing regions.

A tapered reinforcing film overlaps the chamber wall boundary to disperse diaphragm stress and prevent cracks in piezoelectric ejection heads.

Condition-based nozzle data acquisition lowers transmission frequency when possible to reduce recording delays and printer communication overlap.

Cleaning liquid supply is adjusted to discharged ink volume, preventing cap waste-path solidification without excessive rinsing liquid use.

Adjusting electrode and pressure chamber areas to match piezoelectric polarization reduces ejection pressure variation and improves droplet landing.

A shaped groove around the surface electrode preserves piezoelectric displacement despite chamber-electrode misalignment while limiting crosstalk.

A lid-integrated inlet, outlet, and bubble exhaust path removes buoyant bubbles before they reach the recording head and cause ejection errors.

A common-potential wire and dual output circuits reduce noise in heating-element temperature sensing, improving nozzle state determination.

A crossed supply tube layout with a regulating frame prevents bending and disconnection during printhead motion while keeping the printer compact.

Overlapping common and individual wiring on a flexible board cuts inductance and drive noise while preserving liquid jet head reliability.

Threshold-based level switching, modulation, and demodulation help piezo drive circuits cut signal loss and preserve accurate ejector waveforms.

A welded cap and inner sealing member block multiple leakage paths at the cartridge supply port, improving liquid containment.

Multiple sealing members at the supply port and cartridge interfaces suppress ink leakage while maintaining reliable liquid supply.

Segmented flange ribs strengthen lid welding where peeling starts during drops while keeping the liquid cartridge container easy to open.

Residual vibration suppression in drive pulses corrects droplet weight across multiple cycles for more accurate liquid ejection.

Dual sealing portions and a partial covering member suppress cartridge liquid leakage while keeping the supply port open for efficient ink delivery.

Inclined internal ribs absorb and disperse drop shock in liquid cartridge containers, protecting discharge heads and substrates during transport.

A fluid-filled printhead storage receptacle maintains chamber volume during decoupling, preventing air ingestion and extending printhead life.

Inclined receiving spaces and bottom-side connectors let cartridges drain by gravity, reducing ink residue, spills, and replacement frequency.

Balancing 120-160 kHz channel resonance with nozzle diameter keeps droplet volume sufficient for 1200 dpi inkjet image quality.

A detachable display board keeps identification information off the main case, cutting label removal work and improving plastic reuse during recycling.

Adjacent normal nozzles reposition and enlarge ink dots to hide continuous missing raster lines from defective nozzles.

An insulating separation member blocks static discharge from a metal holder to the drive circuit, improving liquid ejecting head reliability.

A lid-mounted inner cylinder and bubble exhaust path keep bubbles out of the ink feed and help maintain viscosity for stable inkjet ejection.

Equally spaced lid openings circulate ink, vent bubbles, and discharge high-viscosity ink before it reaches the recording head.

Printed test images are read back to detect image differences and update thermal history tables for accurate thermal printer control.

Sequential ejection pulses with rising drive voltage and coupling elements make multiple droplets merge before landing while preserving dot volume.

By placing the inlet, outlet, and bubble exhaust port in the lid, the container removes bubbles before they reach the recording head.

An embedded protrusion base supported by the substrate helps liquid ejection heads resist impact, prevent peeling, and protect nozzles.

Resistance checks on printhead dots identify TPH type before printing, preventing media overheating while preserving print quality and lifespan.

An expandable cover adapts to varying flow path member and relay substrate heights, cutting cover variants, cost, and material waste.

A rounded inner-cylinder outlet and bubble exhaust path keep bubbles and thickened ink away from the recording head for stable inkjet ejection.

An inclined lid and top bubble exhaust port remove trapped air from the ink path, protecting head ejection accuracy and image quality.

Inclined inner ribs absorb and disperse transport shock, protecting large-volume liquid cartridges and discharge heads from impact damage.

A mini tank with rounded inner corners and bubble exhaust paths keeps ink flowing, limits thickening, and protects head ejection quality.

A circular opening layout and inner cylinder keep bubbles out of the ink path, maintain viscosity, and prevent inkjet ejection errors.

Drive voltage correction paired with post-correction nozzle selection reduces border density unevenness and adjustment time between adjacent inkjet heads.

An inner cylinder and gap space keep bubbles and high-viscosity ink away from the recording head for more stable inkjet ejection.

Overlapping drive of segmented piezoelectric regions improves pressure uniformity and droplet control for higher-quality liquid ejection.

Staggered switching of printhead element groups creates destructive interference that cuts inductive discharge damage and thermal stress.

A dedicated connection trace isolates the head-unit capacitor for separate voltage inspection, improving defect detection before assembly.

Cleaning liquid drains over the waste liquid outlet to dissolve buildup, prevent clogging, and keep nozzle cleaning stable in dry, hot conditions.

Dummy terminals placed between drive terminal groups stabilize constant-potential coupling and improve liquid jet head reliability.

Curved inner corners and bubble exhaust ports keep bubbles and thickened ink away from the recording head, reducing inkjet ejection errors.

A mini tank with an obtuse-angle or R-shaped inner cylinder and bubble exhaust port keeps bubbles and thickened ink away from the recording head.

Divided maintenance cleans one recording head region during low-ink scans to limit ink spread, prevent clogging, and keep print density uniform.

Printed test images are read back to detect output differences and set a tailored thermal history table for stable thermal printer quality.

Dividing recording head maintenance by unit area helps prevent nozzle clogging while limiting ink spread that causes print density unevenness.

Region-specific primer and ink correction tables compensate nozzle ejection variation to improve adhesion and print density uniformity.