Printing TRIZ Cases

A printer driver verifies printing intent before executing pre-printing operations.

An inclined wall guides liquid flow toward a lateral discharging hole, resolving the trade-off between discharge speed and holding capacity.

Automated image analysis calculates precise line width adjustment values, eliminating manual visual comparisons and reducing user operation complexity.

A liquid supply device manages ink flow through a dedicated holding portion and discharge flow path for precise fluid delivery.

A grounded conductive fixing member with a mesh form portion receives ejected liquid during flushing operations.

A liquid ejection controller stores flag information upon detecting abnormal nozzles during inspection driving.

An inverted container arrangement captures leaking printing fluid during power failures, preventing damage to security document carrier bodies.

Controller maintains ink levels in pressure and negative pressure tanks during purging, eliminating post-purge delays.

A printhead maintenance station uses a capper and air blast to clean ink ejection faces without physical contact.

A liquid ejection apparatus divides nozzles into groups to vary flushing ink volume based on position.

A flexible seal bridge spans moving and stationary nozzle portions to enable reliable ink ejection.

Segmenting the substrate into distinct regions allows high-density orifice arrangement while preserving wiring space and relaxing joining conditions.

A timing delay device shifts drop-formation waveforms between interleaved nozzle groups to synchronize break-off events with a common charging electrode.

Deformable path regions enable ink circulation that suppresses discharge volume during recovery, preventing viscosity increase from evaporation.

A piezoelectric ink jet head uses micro-vibration control to stabilize the ink meniscus during waiting periods.

Anisotropic dry etching creates a nozzle plate with smooth inclined transitions, preventing turbulence and stagnation in high-density inkjet heads.

Larger upflow cross-section enhances buoyancy-driven air bubble removal while maintaining compact flow path structure.

Replacing laser systems with direct thermal evaporation reduces energy consumption and cost while maintaining high-speed patterning capability.

A piezoelectric inkjet printing system applies individual discharge waveform signals to each nozzle based on measured position error data.

A liquid discharge apparatus drive unit outputs a multi-stage potential signal to generate residual vibration for accurate detection.

Routing upper wiring outside the cavity prevents hydrogen reduction of the piezoelectric film during plasma CVD passivation.

Segmenting the ink supply into replaceable portions prevents waste when the guiding portion fails, enabling selective recovery of the intact ink bag.

A liquid ejecting apparatus controller calculates available water in a cap and discharges ink using a coefficient larger than one.

A hydrophilic planar protecting plate encloses printhead nozzles to prevent solvent evaporation and reduce purging waste.

A movable protective flap shields an ink cartridge electrical interface from damage and contamination during insertion.

A printhead maintenance system uses a fluidic transfer roller to collect ink and particulates from the ejection face without mechanical contact.

Segmenting logs at job information change points reduces storage consumption while preserving chronological data for analysis.

A controller selects fluidic actuators for sense measurements using stored indicators to optimize activation timing.

Compliant cured liquid seals protect inkjet nozzles from adhesive swelling and clogging.

A spherical rolling element on an inkjet filter generates convection to disperse aggregated particles, suppressing bridging and preventing clogging.

Varying cross-sections in the cylindrical sealing member engage a cartridge projection to prevent ink leakage through the air communication unit.

A drive voltage generator sets cycle and inactive periods to eject ink droplets from an inkjet head.

A memory chip seals the air communication port of an ink cartridge, preventing foreign object entry while enabling decompression for refilling.

Selective fluorinated alkyl coating on silicon substrates prevents ink adhesion while maintaining interior wetting properties to resolve jetting contradictions.

Oxidization aging signals stabilize electrode pin electrical resistance, preventing detection errors from unstable oxide layers.

Rotating pad electrodes align with connectors during insertion, preventing deformation and ensuring reliable electrical contact.

A liquid jetting apparatus jets first and second liquids onto specific landing positions to prevent ink accumulation on flushing receiving parts.

A piezoelectric element uses a thinner inclined surface layer to fill surface holes and prevent foreign substance intrusion.

A liquid discharging head uses stacked communication plates to form connecting flow paths.

Ring-shaped traces surround substrate holes to intercept outflowed ink before it reaches the piezoelectric actuator.

Controller reduces flow velocity and raises chamber pressure before stopping circulation to prevent negative pressure buildup and bubble entry.

Asymmetric conduit geometry traps longitudinal gas bubbles in reentrant corners, preventing flow blockages and nozzle flooding during high-speed printing.

A liquid discharging head uses a pressure changing unit to alter internal pressure during cleaning operations.

A moisture supply valve opens only when a cap seals the fluid nozzle face, suppressing leakage and backflow to maintain stable moisture levels.

A movable ink container tray agitates settled ink through guided linear motion between mounting and supply positions.

Controller switches voltage boosting patterns to optimize ink-jet printer driving elements.

Nested hydrophilic and hydrophobic permeable bodies in a standpipe container eliminate residual fluid waste, improving volumetric efficiency.

A movable ink cartridge shifts posture to align flow with insertion, preventing air bubbles from entering the recording head while reducing residual ink volume.

Exposed programming terminals allow post-installation data repair, eliminating complex pre-programming steps and reducing short circuit risks.