Other Printing Apparatus TRIZ Cases

Learn how a funnel-section flow path forms a meniscus and air layer to prevent ink leakage when a supply tank is tilted or rotated.

An integrated guide aligns the supply member at one positioning point, helping downsize the liquid storage container without losing fit accuracy.

A proof printed on the web end during a flying web change enables inspection without stopping production and reduces waste.

A sliding cover pushes tank-cap levers closed after ink filling, reducing manual steps and helping prevent evaporation or leakage.

A partition wall separates heated fixing and cooling zones while fans evacuate humid air, limiting guide condensation, dirtiness, and jams.

Temperature and storage sensors adjust replenishment flow to keep circulating ink stable after external tank changes or pump recovery.

Misalignment during large head-unit attachment can damage connectors; movable holders and a guide groove support reliable electrical coupling.

Multiple sensors in the supply manifold and feedback pipe modulate heater power for faster startup and stable ink temperature.

A more deformable sacrificial idler roller identifies tension damage quickly while protecting encoder and other important rollers.

Incompletely dried ink can soil conveying rollers; vibration-based contact-pressure adjustment supports stable sheet transport and image quality.

Parallel suction paths draw flushed ink through the conveyance belt, limiting mist formation and contamination inside the inkjet apparatus.

Protrusions on a cleaning member scrape foreign materials from a rotating brush, preserving belt cleaning ability and reducing brush load.

Gap sensing adjusts active irradiator rows during photo-curing to limit thermal deterioration and energy use.

An under-belt encoder measures vacuum belt motion in the print zone, correcting speed variation for synchronized ink timing.

See how a switchable conveyance path and heating shutdown protect inkjet media during multi-pass printing while preserving ink uniformity.

A holding portion moves the air-blowing box away from the sheet path and allows detachment, improving cleaning access and continuous-sheet paper passing.

Selected non-silicone release compounds improve layer adhesion, releasability, oil resistance, and heat transmission for effective thermal color development.

An air-pipe sensor detects ink overflow or bubbles before the air filter, preserving reservoir pressure and limiting printer contamination.

When post-processing lowers discharge height, the controller adjusts inkjet settings to reduce media curl and paper-jam risk.

A sealing member and internal partitions keep cooling air moving across the supporting drum to reduce high-temperature risk during UV ink printing.

Learn how an ink jet drying portion exhausts hot casing air before unlocking the maintenance door at a safe temperature.

Image analysis maps ink coverage to IR/NIR, LED, or laser drying power, reducing wasted energy and substrate warping in high-speed printing.

When multi-fed sheets reach a switching point too soon, timed routing sends them to support areas and protects downstream image-forming components.

Unequal flow-path resistance in the ink bottle improves gas-liquid exchange, increasing ink supply rate and shortening refill time.

A circular wall and recessed tank connection route ink into storage while preventing liquid adhesion and dirt on the tank exterior.

Stopping at a failed print, verifying its targeted reprint, and then resuming limits discarded paper and toner during continuous production.

Current-supply variation can distort piezoelectric drive signals; bootstrap, smoothing, and voltage-limiting stages support consistent liquid discharge.

An eccentric platen shaft and integrated rotation stopper adjust thermal-head contact without added components or internal space.

Using the platen shaft as a pivot, the paper guide exposes the sheet passage for clearing jams and foreign matter without disturbing the print assembly.

A detachable cutting unit routes blade static electricity through a harness to the printer substrate ground, reducing noise.

Strong pressing can incline the colorimeter; segmented accommodation and pressing members preserve parallelism for accurate measurement.

Self-closing valves in etched three-plate trays hold variable-size sheets while limiting air leakage and unwanted air currents.

A rotating tray spreads waste ink across the maintenance carousel, preventing vertical buildup that can interfere with inkjet printheads.

A siloxane-cross-linked acrylic primer improves adhesion between sheet layers, suppressing elongation and wrinkles during high-temperature printing.

Leading-edge weighting and magnetic clamping maintain tension near the print zone, reducing skew, buckling, and media waste.

A controller selects unused cleaning contact portions to limit ink and pretreatment-liquid buildup and reduce inkjet ejection failures.

A pivotable paper guide exposes the sheet passage for jam removal while preserving alignment and reducing separate fixing parts.

An inner-belt pressing section counters roller deformation, stabilizing peripheral speed and reducing ink landing variations during media transport.

Narrower intervals between first transport rollers and wider downstream intervals control print-medium meandering while minimizing roller count and apparatus size.

A reduction gear and coaxial drive gear increase cutting torque, allowing a smaller motor to fit within a compact printer slitter.

An air presence region surrounds the exhaust duct to limit heatsink heat transfer, reducing housing overheating and warping.

A variable-angle engagement lets the placement tray attach securely during conveying and detach with minimal force for compact storage.

A preliminary upstream overlap lets duplex-printing media separate at lower speed, reducing transport noise and power consumption while limiting jam risk.

A variable pump drive switches recovery levels as the waste tank fills, restoring nozzle discharge performance without stopping printing.

A rigid-flex substrate with paired heat sinks manages circuit heat while supporting compact, high-nozzle liquid discharge operation.

A gas bypass balances supply and collection tank pressures to limit pulsations, overflow, and bubbles during liquid discharge.

A moving imager samples shuttle-printed sections to enable high-resolution wide-format inspection without a costly large camera.

Two correction charts detect print-head inclination and adjust print data before multi-pass printing to preserve positional accuracy.

An inclined bottom moves residual ink away from the view wall, improving level visibility and helping users refill before printing fails.

Sized hollow particles in the undercoat limit print-energy diffusion, supporting high sensitivity, clear images, halftone density, and coating strength.