Printing TRIZ Cases

Analyzing piezoelectric residual vibrations identifies clogging and ink thickening, reducing unnecessary cleaning cycles.

A thermal head control unit adjusts energization time via chopping duty ratio based on measured resistance and voltage.

Curved guide walls enable sliding motion that prevents higher-order vibration and reduces wear on the wire guide.

A recording device adjusts deaerator vacuum levels via a control portion to stabilize ink ejection.

A liquid ejecting head positions its nozzle formation surface downward during standby to collect vaporized solvent in a concave portion.

Shifts color joints to overlap and corrects gradation data, resolving heat storage temperature variations that cause inconsistent transfer density.

A nozzle plate holding device corrects parallel surface deformation to enable precise bonding with a head chip.

Thin gate oxide layers under 800 Å boost drive current while passivation structures prevent impurity contamination during integration.

Segmented channels and a pressure-activated valve reduce backpressure loss, enabling stable high-speed discharge of viscous liquids.

A liquid cartridge sealing member incorporates a third protrusion to maintain cap attachment during ink needle insertion.

Piezoelectric sensors in a head unit capture residual vibrations from multiple pressure chambers, enabling precise determination of the liquid ejection state.

A pressing mechanism applies force to a diaphragm section, keeping the on-off valve open during pressure fluctuations to ensure stable ink supply.

Amplifier circuit processes residual vibration signals alongside temperature data to resolve measurement precision versus device complexity trade-offs.

Temperature detection units monitor pressure chamber heat to determine liquid levels, preventing operational failures from ink shortage.

A liquid storage unit incorporates a stopper unit to suppress gusset bending.

A liquid storage cover uses a non-porous contact part to create capillary force for ink recovery.

A segmented nozzle array prints distinct test bands to identify ink ejection malfunctions using standard resolution scanning.

Segmenting the driver IC isolates high-voltage processing in drive units, lowering cost while maintaining uniform ejection properties across orifices.

A hydrophobic resin containing 0.14 to 10 wt% water-repellent material forms the remaining ink detecting portion.

Continuous gas suction via permeable film and check valve prevents air bubbles from entering the ejecting head, ensuring high recording quality.

Merging control and drive circuits on one side of the barrier minimizes wiring complexity and solvent fire risks.

Divided manifolds with equal channel resistances suppress crosstalk and variation in droplet jetting characteristics for compact apparatus designs.

An auxiliary liquid containing water-soluble resin and wax particles mediates image transfer between an intermediate member and recording medium.

Individual meniscus activation pulses prime nozzles based on readiness status, preventing jetting failures from idle ink changes while maintaining print speed.

Gravitational weight shifts in a rotating ink reservoir detect fluid levels to prevent printer failures from undetected depletion.

Heating gel ink above its melting point transforms it into a liquid state, enabling complete transfer from the compressible film pack to the intermediate tank.

Segmented circuit substrates with a switching mediator resolve ink consumption recording inaccuracies during container replacement.

Coaxial transmission synchronizes conveyor speeds to prevent label sticking during heat transfer code printing.

A liquid heating apparatus uses a temporary ink chamber and serpentine flow path to stabilize temperature fluctuations in the supply line.

Segmented air vents with intermediary ribs equalize chamber pressure against altitude changes, preventing ink drooling from printhead nozzles.

Resin reinforcement prevents cracks in the cover layer end portion during back-surface etching, ensuring flow path integrity.

A printhead element substrate uses series-connected delay buffer groups to adjust heater driving pulse timing and reduce current surges.

An elastic adhesive layer absorbs substrate vibrations to prevent transmission that disrupts pressurization timing and causes leakage.

A liquid leakage suppression member interfaces with a holding member shaft to contain cleaning fluid within the inkjet printer tank.

A guide section directs carriage-generated airflow to the waste-ink tank, expediting evaporation without external heating.

A pinched elastic seal blocks dust ingress paths between a light source unit and housing, maintaining optical performance without complex adhesive bonding.

A liquid jetting apparatus cleans a wiper using discharged ink to remove foreign substances from the wiping surface.

Supply-side and collection-side fluid restrictors equalize hydraulic head differences between discharge heads at varying heights, preventing leakage.

An ink cartridge adaptor maintains electrical connectivity between the mounting portion and replaceable ink cartridges through dedicated contact configurations.

Multiple stir bars remix fluid near an ejection chip to prevent clogging.

Process color combinations approximate spot colors to increase chroma, resolving nozzle clogging risks from high colorant loading.

A liquid supply unit positions the engagement portion inward within the outer shell to enable precise mounting.

Segmented wiping members accumulate pigment ink to prevent scattering, maintaining image quality and extending head refreshing performance.

A head chip places drive electrode pads on the actuator plate surface opposite the flow channel to reduce planar footprint.

A liquid ejection device control method adjusts nozzle array ejection intervals to optimize absorbent member usage.

Inserting a high-conductivity spacer into the manifold groove reduces temperature differences and stabilizes jetting characteristics.

A gradation data generation device processes N-bit original gradation data into converted gradation data using an arithmetic operation unit and selector.

An on-demand formulation unit eliminates air bubbles in ink by preparing small batches locally, reducing logistical costs and chemical usage.

Bypass flow paths enable continuous ink circulation, preventing component settling and maintaining image quality.

Periodic air bubble introduction agitates pigment ink in the tank, preventing concentration variation caused by precipitation without wasting ink.