Printing TRIZ Cases

A pressure controlling apparatus uses a biasing member with varying diameters to stabilize valve movement.

A plate member contacts a flexible damper film under positive pressure to prevent peeling and ensure reliable ink supply.

Selective flushing prevents pigment sedimentation in interconnected liquid passages by isolating nozzle groups during maintenance cycles.

Prioritizing early ejection nozzles for correction reduces blank lines and hardware costs when multiple malfunctions occur.

Stabilizes reference voltage supply to OLED holding elements, suppressing light emission unevenness caused by potential drops on power lines.

A waste ink tank applies suction force against gravity to disperse liquid across the entire absorbing material.

Bonding substrates via a concave portion prevents leakage from surface contamination, ensuring reliable adhesion without complex process changes.

An attenuating plate on the liquid cartridge enables accurate optical detection while protecting electrodes from ink leakage and static electricity.

A cleaning method for recirculating inkjet printheads uses a support to occlude nozzles and reverse flow through the supply line.

Dynamic composite black generation adapts color ink ratios to printing media, resolving nozzle defect streaking across varied substrates.

Switching from induced voltage to BD signal control stabilizes rotation speed while preventing photosensitive member damage at low speeds.

A detachable attachment with a link passage and check valve connects external ink tanks to printer holders.

Bending extending portions of a flexible first wiring board allows a single second wiring board to overlap and connect, reducing FPC boards and connectors.

A piezoelectric element with a biased internal electric field enhances displacement characteristics in liquid-ejecting heads.

Replacing mechanical chips with acoustic fields merges liquid jets in air, overcoming low flow rates and clogging in traditional microfluidics.

Voltage attracts split droplets away from unintended surfaces while a Self-Assembled Monolayer prevents attachment, ensuring patterning accuracy.

Extending a raised contact formation through the molded panel reduces surface area requirements, enabling smaller fluid die sizes without interference.

A printing consumable with reconfigurable nozzle circuits adapts to multiple printer models by altering electrical response characteristics.

A liquid ejection apparatus controls unit-time supply amounts to gather and discharge impurities from ink channels.

A connection member merges external and internal joint functions into a single component for inkjet recording devices.

A fluid ejecting apparatus uses a linear absorbing member that moves relative to nozzle rows to capture ejected ink during flushing operations.

Modified heating elements outside the print area enable secure coding without expensive memory modules, ensuring reliable installation verification.

Apply dynamic voltage signals to deflect ink jets while insulating electrodes from short circuits, enabling reliable continuous gray shade printing.

An oxide layer containing silicon and a transition metal anchors the organic liquid repellent layer, preventing peeling from acidic or alkaline ink exposure.

Drive circuit matches voltage signals to minimize piezoelectric displacement and vibration plate stress, preventing cracks and ink leakage.

A liquid ejecting device control unit invalidates stored printed sheet counts when consumption ranges change within a period.

Segmented flex circuit bumps isolate mechanical movement between adjacent actuators, reducing cross-talk and enabling higher print head density.

Forcing specific defective nozzles to eject ink prevents stripe unevenness while preserving adequate ink amount and dot size for line drawings.

An inward protruding portion on a joining member blocks capillary liquid creep up a circumference wall to prevent leakage.

Vacuum duct removes aerosol to maintain print quality.

A print control apparatus divides fluid ejection into multiple movements to manage nozzle array dynamics.

Partitioning the ink storing chamber with a filter reduces flow resistance, enabling higher ink ejection speed without increasing print head size.

Central flow passages with higher resistance prevent ink overflow during high-speed printing, maintaining print quality.

A piezoelectric element manufacturing method deposits a second layer over a patterned electrode to improve crystal orientation.

A flexible resin nozzle plate absorbs ink pressure waves to prevent cross talk, reducing device size while maintaining ejection reliability.

A recording cap switches between atmospheric communication states to manage depressurization during liquid discharge port recovery.

A flexible sealing member contacts the liquid ejection unit to close the housing gap.

A single integrated opening and closing section manages multiple discharge openings via a common contact portion.

A printing system segments scanlines into pixel bundles to optimize memory usage and data transfer rates.

A liquid residual detecting device uses multiple light shielding portions aligned with a float to block an optical path at specific ink levels.

A waste ink absorber uses alternating low and high density portions to enhance permeability and retention performance.

A print control device generates dot data using distinct processing methods for overlapping and non-overlapping areas to suppress color variation.

Measuring residual pressure wave resonance frequency and energy in inkjet print heads to identify nozzle blockages.

Tube-shaped ink supply portion with protrusions forms ink holding spaces to retain leaked fluid via capillary action, preventing dripping during mounting.

Rib structures reinforce the ink cartridge cover to prevent resin deformation and disengagement during handling.

Segmenting suction into two pressure stages resolves the contradiction between reliable bubble removal and minimizing waste ink discharge from the nozzle.

Metal frame molds shape thermoplastic substrates to prevent contaminant leaching in liquid print environments.

An image processing unit adjusts similar color dot overlap rates to manage surface smoothness in inkjet printing.

Inner plug seals ink passage using biasing force and surface tension, preventing dripping when detached from the printer joint.