Printing TRIZ Cases

Protrusions guide ink flow through horizontal passages, resolving uneven resistance that causes inadequate ink supply to specific manifold areas.

A non-contact printing system uses pneumatic aspiration to mix biological samples without mechanical shear stress.

A liquid discharging device uses a multi-layer wiping member with controlled porosity to clean nozzle surfaces.

Sequential valve control balances suction pressure across multiple ink paths, preventing uneven filling and air bubble formation.

A controller adjusts maintenance discharge amounts based on predicted ink staying time to ensure stable supply.

A liquid supply device adjusts ink flow conditions using temperature detection to manage sedimenting components within the supply path.

Protrusions below the ink supply opening retain escaping fluid via capillary action, preventing mounting portion contamination.

Dual pressure circuits adjust fluid flow via solenoid valves, lowering ejection sound during nighttime operations while maintaining snow removal efficiency.

A liquid discharge head substrate uses orthogonal electrode plugs to connect conductive patterns and heat generating resistive elements.

A method adjusts inkjet printing actions based on colorant density thresholds to prevent visible swath contraction and dry-time banding.

A liquid cartridge movable member supports a circuit board via a receiving portion contact surface.

An inclined cap guiding mechanism reduces the horizontal space required for maintenance by utilizing vertical movement, minimizing the head moving unit size.

A dynamic shutter prevents dust ejection from the ink absorbing member accommodation container, reducing nozzle clogging and maintaining print quality.

Reduces memory consumption by storing quantized difference coefficients and residue nodes instead of full color tables.

Segmented drive waveforms merge sequential ink droplets before landing, suppressing mist generation and maintaining print image quality.

Segmented flexible circuits with adhesive paste inhibit airflow and fluid flow to prevent cross-contamination during priming.

Alternating ejection and non-ejection grooves on an actuator substrate enable simultaneous conductive film formation for drive electrodes.

A printing control device embeds code information with acquired images to enable easy web page identification.

Silica particle reinforcement in cross-linked fluororesin maintains liquid repellency while resisting abrasion from wiping operations.

A color management apparatus uses a dual mode executor to simplify setting steps for inexperienced operators.

A flexible priming bulb mounted on an ink cartridge housing actuates one-way valves to force air into the reservoir.

A capping device employs a cam mechanism to maintain stable pressing force, preventing cap deformation and ink viscosity increase.

Replacing piezoelectric sawing with semiconductor etching enables large format inkjet printhead production.

A control unit manages liquid supply from housing containers to a consumption unit during cartridge transitions.

Electrostatic separation of charged ink droplets ensures consistent charge-to-mass ratios, resolving print quality degradation from environmental variations.

Horizontal pump alignment reduces apparatus height while a differential pressure valve prevents negative pressure damage during choke cleaning.

Vertical fin-shaped heater stack reduces water hammer forces and cavitation damage while enabling smaller inkjet drop sizes.

An inclined air outlet blows lateral airflow to separate and orient recording media sheets.

Segmenting the lever into cartridge and printer portions preserves terminal positioning accuracy while enabling user-friendly operation.

A monolithic liquid jetting structure uses an integrated catcher to collect deflected ink drops from a nozzle array.

A back-pressure tank supplies ink to a print head unit through a degassing unit managed by selector valves, removing bubbles during filling operations.

A liquid discharge head performs a dummy discharge operation to clear nozzles before the heater stops.

Dynamic dummy data generation prevents nozzle clogging while minimizing ink consumption during print errors.

A liquid-jet head uses lower electrode thickness variation to manage electric field distribution across piezoelectric elements.

Segmented test patterns detect nozzle malfunctions to reduce print job suspension time while maintaining detection precision.

Acquiring reference A/D values with empty data filters noise from heating element signals, improving disconnection detection accuracy.

A printer control unit manages ink levels in an intermediate tank through normal and extraordinary replenishment operations to maintain consistent image quality.

Inverse transfer functions drive iterative halftone generation to resolve secondary color non-uniformity at print head junctions.

A pressure control unit with a movable partition wall switches liquid flow paths to stir deposited ink ingredients.

An asymmetric ink flow path directs air bubbles away from the filter surface, preventing attachment and maintaining effective area during high-speed printing.

Counting printing dot outputs allows the control apparatus to adjust scan divisions, suppressing image quality degradation while limiting power consumption.

Standardized driving signal lines group piezoelectric actuators to drive pressure chambers, resolving manufacturing cost trade-offs in nozzle density.

Vibrating a held liquid column removes foreign matter from the ejection opening face and connected flow path.

Single blade wipes ejection ports and shields against ink scattering, eliminating dedicated shield means or suction fans to maintain compact apparatus size.

Graded oxygen concentration in the base layer and projections distributes wear evenly, preventing film peeling during cleaning.

Horizontal liquid passages allow stable ink replenishment while eliminating vertical orientation constraints during cartridge replacement.

A supply member with a beveled ridge guides cleaning liquid to the wiping blade, preventing fluid interference with the nozzle surface during ink removal.

Volatile polar organic compounds outgas from flexible adhesive to increase surface energy on micro-fluid flow features.

Segmenting pressure chambers prevents ink dispersion, maintaining printing concentration while increasing ejection speed.

A dummy restricting passage adjacent to end channels matches structural stiffness across an inkjet printhead array.