Printing TRIZ Cases

Detects holding unit temperature changes and dynamically adjusts inkjet head positions to correct thermal deformation and preserve image quality.

Segmenting the assembly allows pre-mount testing of each die, preventing entire unit scrapping when one component fails and reducing material waste.

A channel with a local constriction and projecting web regulates air flow into an ink cartridge chamber.

A liquid ejecting apparatus uses a protrusion on the head holder to isolate the ejection space from external air during capping operations.

A print head uses a diode sensor and timing control to measure substrate temperature accurately.

Common waveform generation with switch-based tuning reduces power dissipation in high-density inkjet arrays.

A controller modulates ejection pulses across print head nozzles to eject nominal ink quantities and reduce periodic streaking.

Positioning portions on a flexible printed substrate align detection electrodes to maintain measurement precision during assembly.

Segmenting printheads into primitives using pre-charged firing cells reduces input pad count while maintaining printing speed and quality.

Integrating the drive signal output circuit on a flexible wiring board reduces waveform distortion, improving piezoelectric driving accuracy.

Polymer compliant film bonds inkjet plates and attenuates acoustic energy, resolving pressure oscillations that cause droplet position errors.

Fluid firing units apply higher voltage during recovery mode to clear dried particles and blockages, extending printhead life.

A handle with specific distance relationships between operation, engagement, and support portions facilitates stable ink cartridge fixation.

A fixed restriction member contacts the capping unit to restrict lateral movement, reducing load on the moving mechanism during inkjet head capping.

Convex portions on a handling jig contact the supporting member to control adhesive agent volume, preventing spillage into liquid flow paths.

Segmented ink chambers manage internal pressure to prevent backflow, eliminating contamination risks from dripping needles.

A printing system monitors ink levels to filter jobs based on user-defined policies.

Drive signal timing optimizes acoustic resonance to reduce power consumption while maintaining consistent droplet velocity.

A microfluidic dispensing device uses a flexible diaphragm to collapse and maintain consistent backpressure within the fluid chamber.

A charge control-type inkjet printer uses an imaging unit to monitor ink particle shape and charging state for continuous stable printing.

Rigid contact portions maintain constant distances between the ink jet head and cap, eliminating complex adjustment mechanisms required for precise machining.

A timing delay device shifts drop formation waveforms to reduce electrostatic interactions between adjacent liquid jets in high-density nozzle arrays.

Segmented liquid supply tubes enable selective head holder exchange without disconnecting ink lines, resolving complexity and accuracy trade-offs.

Segmenting pressure chambers on a substrate maintains mechanical strength, preventing breakage and improving yield when increasing chamber density.

A second sealing member covers a hole in the first member to guide the flexible wiring board, preventing mist-state ink intrusion into the head body.

Switching unit adjusts transmission path impedance based on recording head load capacity to prevent signal oscillation in long paths.

A cap groove guides leaked ink back into the cartridge via capillary action.

A dummy discharge controller coordinates droplet ejection from adjacent nozzle rows at staggered timings to maintain capillary moisture levels.

A feed screw mechanism drives an ink cartridge piston axially to fill the chamber with high accuracy.

Matching cap hardness to nozzle breakdown pressure prevents meniscus collapse and head distortion without increasing pressing force.

Ejecting low-concentration black ink after standard black ink suppresses the bronze phenomenon on glossy paper while maintaining manufacturing cost efficiency.

A sealing float blocks the pressure control hole opening as ink rises, preventing backflow into the pressure control means.

A nozzle plate integrates a conductive layer between the substrate and liquid repellent coating to dissipate electrical charges during ink ejection.

A pressure regulating unit stabilizes negative ink pressure using a flexible film and valve mechanism.

Segmented cap positioning separates preliminary discharge from cleaning, reducing ink scattering while maintaining throughput.

Exclusive-OR logic in the driver IC controls conductive leads to eliminate leakage current and reduce pattern density.

Cutting a projection part allows peeling a support from a substrate without detaching the dry film, preventing shape deformation and remnants.

An asymmetric communication hole in the partition wall prevents air entrainment during tilting, ensuring reliable ink supply to the printer.

Variable screw density on the sub-tank manages local stiffness differences, preventing main body deformation and maintaining ejection accuracy.

Segmented IC layout isolates noise-sensitive feedback paths from switching regions, reducing interference to maintain discharge accuracy at high frequencies.

Segmented ink tanks and sub-tanks create mixed colors from basic inks, eliminating separate mixing devices and reducing running costs.

Truss-shaped beams connect common supply channel side walls to reduce vibration transmission and stabilize discharge characteristics across nozzle positions.

Aggregate of porous absorbing body blocks housed in a container with gaps between the blocks.

Assigns discrete waveforms to individual inkjet nozzles based on unique performance attributes.

Electromagnetic valve positions outflow opening higher than inflow opening to utilize gravity for fluid drainage.

A printer control method drives separate pumps during distinct supply periods to increase cleaning liquid volume delivered to each nozzle cap.

Asymmetric ink supply paths shift merging points across adjacent common chambers, preventing aligned defective nozzles and minimizing visible air bubble voids.

A print data generating unit dynamically increases large dot formation ratios to reduce ink mist generation during high-speed printing operations.

Controller calculates capping-time parameter to manage ink viscosity, preventing unnecessary purges and wasteful ink discharge.