Other Printing Apparatus TRIZ Cases

Vibrating the waste liquid absorber maintains detection electrode contact, preventing separation failures during ink-jet printer operation.

Segmented sensor support with biasing means maintains alignment during platen removal, eliminating recalibration needs.

Reverse circulation paths and carriage vibration suppress fine particle deposition in complex inkjet printer chambers.

A printing method monitors ink absorption and color accuracy during production to detect media type mismatches.

A decurling device uses a change-over mechanism to select rollers with different curvatures for precise nipping force control.

Curved surface members press the belt pair against alternating convex shapes to correct cockling deformations in sheets.

Upward-facing liquid supply port prevents ink dripping during injection while maintaining assembly simplicity.

Movable supporting surfaces prevent curled paper contact with fixed heaters, reducing structural complexity.

A printing control apparatus manages ink discharge rates using split printing regions on outward and return paths.

A liquid ejection apparatus uses a controller to drive an actuator and pump for precise ink discharge.

A projection mechanism adjusts a mount base rib height to stabilize paper sheets during discharge.

A side end detection unit accumulates light reflection data from a moving record medium to determine its lateral position.

Automated color measurement of printed sampling figures determines total ink amount, resolving subjective manual observation errors and preventing ink pilling.

Low conductivity curved portions suppress thermal shrinkage wrinkles by maintaining medium flatness before ink drying.

A roll paper holder uses a detection assistance section with projections to measure remaining paper amounts.

A printing apparatus integrates roll and single sheet paper units below the print head to minimize footprint.

Segmented pad support maintains uniform nip pressure across wide belt regions, preventing ink adhesion and peeling during high-speed sheet conveyance.

Cap electrode applies voltage between protection film and upper layer to ensure uniform dissolution, eliminating uneven thermal conduction from kogation.

Wax-based agents melt during mixing to solve dispersion clumping, ensuring reliable paper conveyance without friction loss.

A recording head adjusts ink ejection speed based on detected medium thickness to maintain consistent droplet placement.

An electric field-generating transport member conveys wet sheets via electrostatic friction, preventing nip roller damage and ensuring uniform drying.

An inclined guiding surface directs ink cartridges into a compact housing opening, preventing misalignment during insertion.

A printer cutter mechanism uses a movable cover to separate the rotary and straight blades.

A liquid ejecting apparatus adjusts ink ejection timing during conveying roller transfers to maintain precise droplet placement.

Adjacent position identification patterns enable accurate nozzle mapping despite scanner skew, correcting density variations during reading.

A pivotable housing mechanism resolves the contradiction between rigid fluid supply reliability and easy cartridge installation flexibility.

Alternating ridges and recesses on a web-guiding structure accommodate receiver media expansion, preventing friction-induced wrinkling during inkjet printing.

Shutters adjust suction zones to prevent paper curling and air leakage during inkjet printing.

Conveyance control unit adjusts roller driving forces to maintain consistent sheet bending for high-quality printing.

A control section monitors suction fan drive current to verify recording medium adsorption before initiating ink ejection.

A liquid discharge head drive controller generates droplets using a common waveform with specific pulse intervals to create reverse phase meniscus oscillations.

Aqueous cleaning liquid with specific solvent affinity removes transfer body residues to maintain ink jet image quality.

A slidable supply tray uses a locking mechanism to secure guide plates at predetermined positions.

Segmented drying separates noncontact light evaporation from contact heating to prevent shrinkage differences and suppress wrinkles.

Nesting insertion holes within the closed cover protects locking components from damage while maintaining robustness and ease of operation.

Adhesive bonds the holder to the case in a liquid ejecting head, maintaining sealing performance when screw fastening force decreases.

An adjustable web guide mechanism dynamically modifies the wrap angle between a heated guide and print medium to regulate contact area.

Shared bearings align dual roller shafts to prevent wrinkles and maintain reading performance.

A droplet ejecting apparatus uses a non-adhesive area to estimate adhesive layer thickness for consistent ink ejection.

A hinged blade mechanism positions printing supports on a moving track using gravitational rotation.

Prioritizing wiping of pigment-free nozzle arrays prevents inorganic pigment adhesion that damages the liquid repellent film and causes clogging.

Pumps generate pressure differentials across print heads to maintain constant meniscus pressure and control ink flow rates regardless of orientation.

Adjusting drum heat prevents non-uniform thermal stresses that cause curling or wrinkling during high-speed drying.

A lock mechanism uses two independent biasing members to stabilize engagement and operation.

A control section forms inclined test chart lines to detect pixel deviation in the recording-medium conveyance direction.

A busbar connector links the inkjet print head cassette to the printer base, enabling quick assembly and reliable signal transmission.

Ultrasound emitter elements press printing paper sheets to prevent ink retransfer onto nip rollers, maintaining image quality.