Printing TRIZ Cases

Segmented wipers use a hydrophobic blade to remove waste liquid from inkjet nozzles, preventing bleeding and stalactite sediment formation.

A liquid ejection head uses a multi-stage cancellation waveform to suppress residual oscillation in the pressure chamber.

Anisotropic conductive epoxy merges adhesive and electrical functions into one layer, simplifying high density ink jet print head manufacturing.

A liquid supply device cover uses a protrusion to restrict cartridge movement during pivoting.

Asymmetric light shielding units block flare light while minimizing noise and windage loss from polygon mirror rotation.

Segmented liquid holding portions reduce pressure loss during suction and minimize mist generation by shortening droplet flight distances.

Segmenting the amplifier circuit reduces layout area and enhances noise immunity for accurate anomalous nozzle detection.

A liquid ejection apparatus uses a partition wall with openings to position electrodes for accurate remaining liquid level detection.

An inner electrode layer in a piezoelectric printing device reduces drop volume variability while maintaining high throughput.

Interlocking projection and recessed portions prevent protection member peeling during continuous printing, maintaining print element substrate integrity.

Segmented wipe blades with varying rubber hardness protect water-repellent films while removing purged ink from black and color recording heads.

Humidified air prevents printing fluid from drying on the nozzle plate, reducing temperature and eliminating clogging caused by high firing frequencies.

Segmented differential signal circuits switch between high-speed and low-power modes to resolve the contradiction between printing accuracy and energy usage.

Merging primary and secondary flow path forming members eliminates bonding section voids that trap bubbles, ensuring stable liquid supply.

A print head heating control unit adjusts target temperature based on detected power levels to ensure reliable ink discharge performance.

A protruding needle tip and elastic seal member prevent ink leakage during detachment by ensuring continuous sealing contact until full retraction.

Concentric liquid repellent zones on a nozzle plate prevent irregular ink accumulation around ejecting ports, stabilizing discharge direction and amount.

Phase detection charging signals continuously detect optimum charging timing during non-printing periods to resolve viscosity-induced print disorders.

A refilling adapter mediates between modular stations and cartridges to reduce operation difficulty and prevent damage during the refill process.

Segmented cap suction and in-cap evacuation remove residual ink from the maintenance cap, preventing color mixing during multi-nozzle cleaning cycles.

Stacking a metal layer on the vibration plate prevents damage at liquid supply ports while maintaining displacement characteristics.

A liquid cartridge integrates a circuit board with specific surface orientations to ensure accurate electrode positioning within the receiver.

A liquid discharge apparatus changes detection pattern images based on feed amounts to identify defective nozzles using a two-dimensional image sensor.

A liquid discharge head diaphragm uses layered materials to transmit light for optical access.

Heating and cooling cycles create suction pressure that drives cleaning liquid deeper into chambers, resolving slow capillary flow inefficiencies.

A liquid ejecting apparatus directs maintenance fluid onto a dedicated belt zone separated from the transport path.

A printing head separates driving waveforms using a sampling frequency below the nozzle resonance to reduce power consumption.

Pre-print processor modifies half-toned images by adjusting droplet sizes in neighboring columns to compensate for missing ink from malfunctioning nozzles.

Orienting (111) grains in a lead-free piezoelectric layer reduces stress-induced cracking, enabling reliable liquid discharge heads.

Opposing engagement pawls in a snap-fit cap mechanism prevent accidental detachment caused by resilient deformation over time.

Inclining the fluid reception member enables gravity-driven diffusion of residual ink into suction zones, resolving incomplete removal in fixed postures.

A potential applying unit sets protective layer voltage between resistor ends to reduce stress on the insulating layer.

Resin film in protective film groove cushions impact loads during lead bonding, suppressing cracks and corrosion at electrical connections.

Dynamic energization control adapts thermal head output to ink ribbon width, preventing ribbon damage and broken ribbon failures during high-speed printing.

A liquid ejection controller manages channel resistance and supply flow to ensure uniform pressure across all nozzles.

Full etching forms return throttle channels while direct plate adherence eliminates measurement errors caused by half-etching deviations.

Dual nozzles arrange reaction liquid dots regularly before ink discharge, resolving irregular coagulation positions that deteriorate image graininess.

A composite passive beam with silicon nitride and silicon dioxide layers prevents ion leaching and cracking in MEMS inkjet nozzles.

Segmented flow paths with a volume change unit create pressure differentials that stir ink, preventing pigment settling and maintaining uniform concentration.

A head chip design uses partially open dummy channels on the actuator plate bonding surface to enhance structural integrity.

Segmenting the cap member maintains rigidity and adherence, preventing nozzle gaps that cause ink vaporization.

Segmented drive waveform generating units tailor signals to individual piezoelectric elements, correcting nozzle variations and reducing circuit complexity.

Extending the substrate along the insertion path spaces power and data terminals apart, reducing short circuit risks from ink mist.

Ink container electrical interface positioned above supply portion removes foreign matter from contacts during insertion to prevent connection failures.

Groove portions on the liquid introducing needle tip allow trapped air to escape during cartridge mounting.

A liquid container uses an inclined storage section to guide gravity-fed flow while a dedicated positioning mechanism aligns the unit before connection.

Onboard capacitive sensors detect fluid levels in inkjet supply items, preventing dry firing and pump errors through accurate digital tracking.

Correction data producing unit adds density values to idle nozzles, recovering ejecting property without degrading image quality.

Distinct contact lines on printer chips separate installation detection from memory signals to minimize electromagnetic interference.

A controller generates sequential driving pulses to expand and contract a pressure chamber, injecting multiple ink drops that merge into a single large dot.