Printing TRIZ Cases

A drive assembly with a deformable pressure member applies squeeze action to extract viscous ink, reducing residual volume in larger cartridges.

Overhang absorbs inertial force to prevent ink spattering during external shocks.

A waste liquid recovery apparatus uses a central ventilation hole to manage internal pressure while containing discharged ink within the container body.

Bottom lighting illuminates jetstack plates from below to enhance hole edge contrast for automated vision alignment.

A print head ejects ink droplets of varying sizes based on pixel density levels to form optimal dot patterns.

A flexible ink pack housing holds the container at a predetermined position while accommodating lengthening during consumption.

Positioning the electrical contact near the engaging portion on the side surface reduces positional deviation, ensuring stable connection reliability.

A liquid discharge head damper member features a protrusion portion on the second member to control flexible deformation.

A control module adjusts inkjet printhead firing patterns based on calculated pigment concentration to ensure consistent dot coverage.

An on-die evaluation module measures ink impedance to detect drive bubbles and defects, eliminating off-die communication noise.

A liquid ejection controller acquires abnormal nozzle data to determine purge execution via pump pressure application.

Segmented treatment liquid holding units prevent leakage during transport by isolating adjacent sections.

A printing apparatus adjusts suction frequency based on ink discharge information to optimize filling operations.

A printhead cap rises and lowers to abut the ejection orifice surface for wiping operations.

Correction processing unit excludes unused nozzle positions based on print sheet size to optimize ink ejection malfunction handling.

A multi-metal ink-jet head structure connects electrically adjacent components to suppress material degradation.

Selective conductivity treatment of the conductive layer establishes a planar topography, reducing mechanical stress from cavitation and thermal gradients.

A closed-loop circuit alters current rise and fall times to maintain consistent pumping strength in piezoelectric inkjet printheads.

Interleaved ground wirings shield piezoelectric elements, reducing voltage deviations from mutual inductance in large media printing.

Segmenting electrodes into base grooves and driving circuits simplifies wiring pitch, preventing discharge failures from electric current flow.

A liquid ejection head uses a support member groove to anchor the recording element substrate.

A liquid discharge head uses rounded elongated ink supply holes to manage high-speed ink flow within a piezoelectric actuator.

Rear resilient members expand and contract to move a member, absorbing impacts that damage ink supply portions during surface contact.

A voltage supplier stabilizes electric potential difference between a liquid discharging head and an electrode, ensuring accurate ink discharge inspection.

Overlapping drive signal periods cancel noise interference, reducing ejection failures and improving state determination accuracy.

Segmented pressing members adapt to varying nozzle heights, ensuring reliable liquid removal and reducing clogging risks.

Segmented pixel openings and controlled ink droplet flow rates resolve the contradiction between camera light transmission and film thickness uniformity.

A thermal print head uses the semiconductor substrate as part of the electrical conduction path to energize heat generating portions.

Dynamic voltage switching prevents charged matter attachment, extending liquid ejection head life.

Controller activates a pump to draw print fluid from empty reservoirs, resolving hazardous waste disposal and substance loss through automated extraction.

Segmented porous capping recovers non-ejecting nozzles with minimal ink waste by concentrating suction force on specific units.

Stacking pressure chamber rows to overlap flow paths resolves the contradiction between high-density orifice placement and device complexity.

Feedback loops with oscillation suppression units attenuate resonance from parasitic cable capacitance, ensuring stable head operation.

Relocating the electrode to a vertical fourth wall disperses impact forces, preventing connection failure during insertion.

Segmented catching units with regulation ports direct air currents to capture liquid mist, resolving immediate collection delays.

A liquid discharge apparatus adjusts non-discharging electrode voltage based on adjacent states to cancel Coulomb forces.

A thermal head uses angled electrode corners to reduce residue accumulation on the ridge portion.

Ink cartridge eliminates air pumps by using atmospheric pressure and gravity to supply ink, preventing overflow from temperature changes.

A pressurizing chamber introduces gas to compress a flexible ink container, maintaining stable supply pressure as the ink level decreases.

A piezoelectric actuator integrates a heater in an uncovered vibration plate area to heat ink directly.

Segmented containers and pneumatic pressure regulation resolve the contradiction between high ink capacity and heavy, difficult-to-handle replacement units.

Segmented wiper member cleans nozzle face during operation, preventing dust accumulation and ink clogging that degrades print quality.

Front and rear supply members deliver cleaning liquid to a wiping blade, removing ink residue without contaminating the fluid or smudging images.

An intermediary cover layer protects flexible membranes from tearing at metal plate engagement points while a relocated spring maintains reservoir vacuum.

A fluid discharge head applies optimized driving pulses to eject ink from a nozzle.

A head cleaning device adjusts the rotation and moving speed of a porous roller to maintain wiping performance.

A thermal head uses a single patterning step to define the planar shape of a U-shaped resistor layer.

A multi-pulse waveform with a straightening pulse bulges the fluid meniscus past the nozzle to minimize asymmetric wetting and reduce drop placement errors.

A porous foam breaker vents entrained air from returning ink to prevent reservoir overflow and pressure fluctuations.