Other Printing Apparatus TRIZ Cases

A movable slider aligns two paper-path guides in less space while simplifying jam removal through a single opening mechanism.

Passive adhesion elements hold printing substrates on a belt without vacuum pumps or harmful adhesives, cutting noise, energy use, and waste.

An extended cover lock lever and open-close sensor detect semi-locked printer states and keep cover release accessible in tight spaces.

Groups printing lines by temperature and humidity needs, then prioritizes operation within allowable ranges to keep print quality consistent.

Built-in flow path capturing units use gravity-oriented geometry to trap bubbles and particles without a separate filter, keeping ejectors cleaner.

A lever-regulated pendulum gear mechanism keeps inter-axis distance stable during drive switching, improving transmission reliability and saving space.

Alternating dot overlap across four nozzle rows shortens ejection cycles while preserving dense, high-resolution liquid recording.

Table-based pre-ejection vibrations and cap humidification prevent nozzle ink thickening, improving ejection reliability and image quality.

An N,N′-diarylurea developer and low-oil-absorption pigment help thermal recording layers resist alcohol, plasticizers, and image fading.

Opening groups on the conveyance belt are timed for flushing away from printing zones, reducing belt-speed variation and image defects.

Contact detection triggers nozzle-surface checks and recovery steps to prevent coagulated residue and clogging in liquid ejection.

A controller switches sheet holding and timed release by media length and material to reduce discharge curling and prevent sheets from falling.

Passive adhesion elements hold printing substrates on a belt without vacuum, cutting noise, energy use, waste, and print defects.

Internal inductor and photoelectric sensing let a printer measure paper width and length automatically, reducing jams, print errors, and waste.

Selective venting of the pressure chamber during ink container exchange prevents leakage and bubble entry while maintaining stable ink supply.

An inductor tracks restraint arm displacement to detect actual paper width, reducing jams, print errors, and manual size setting.

A client PC acts as a virtual print queue to handle pull print requests directly, removing the server and supporting local printers.

A gravity-loaded tension bar guided forward and downward stabilizes long-media tension while reducing printer height and protecting print quality.

A guide member smooths and partitions print-zone airflow to prevent uneven ink drying on recording media in low-temperature conditions.

A foldable pivoting frame holds printing fluid containers upright for secure refill connections, reducing spills, user effort, and idle time.

Positioning the ink supply opening below the cover opening keeps ink off the cover surface and makes any residue easier to wipe away.

Selectable UV irradiator mounting matches unidirectional or bidirectional printing, cutting wasted curing area, energy use, and speed loss.

Control logic identifies unused line heads and waste ink containers for replacement, cutting downtime and avoiding wasted installed components.

Combining early and delayed contraction pulses across multi-drop ejection cuts satellite mist while preserving ink droplet landing accuracy.

A regulated swing range lets the tension bar add intermittent tension, preventing slack, wrinkles, and winding deviation during medium conveyance.

Protrusions in non-uniform chip-cover gaps stabilize sealing resin height, blocking ink or dust ingress while preserving cleaning contact.

A door-linked sliding cleaner wipes the medium detection surface without moving the sensor, cutting printer size, complexity, and power needs.

Adaptive airflow in the ink recovery container boosts flushing recovery as ink volume rises, helping maintain stable line-head ejection.

A spring-loaded holding roller keeps sheets against the alignment plate, preventing bounce and precise alignment without costly motor control.

A locking holder, tension detection, and user notification keep roll drive transmission stable and maintain sheet tension for better recording quality.

Slits aligned with sheet edges and an internal absorber capture overflow ink, keeping borderless printing clean without belt recesses.

A widened downstream slit improves sheet cooling in drying paths while preventing sheet-end damage and clogging on large or thick media.

A tension bar keeps media taut during simultaneous printing and cutting, preventing slack, wrinkling, jamming, and poor cut accuracy.

A reshaped outlet valve protrusion improves gas-liquid exchange, cuts bubble stagnation, speeds ink refill, and reduces dripping.

Slits in the conveyance belt route borderless-print ink to an internal absorber, limiting contamination and preserving belt speed uniformity.

Power negotiation lets a dual-section printer switch between simultaneous and sequential printing to stay stable with different USB PD adapters.

Separate heat sinks and airflow paths cool substrates and circuits in liquid discharge modules, supporting higher discharge productivity.

Separate sublimation and non-sublimation nozzles print images and alignment marks on one transfer sheet without mark transfer or image contamination.

A coupled frame around the reversing unit limits distortion during detachment, easing jam handling while supporting wiring and stacking.

Dual belt temperature sensors enable early heater control in an ink jet fixing belt, preventing rapid overheating and thermal deformation.

A lever placed within the sheet transport range enables one-handed media setting, reduces bending, and helps block foreign matter entry.

Adjustable guide discs slide across sheet width to grip only margins, maintaining curved-path conveyance without soiling or fading images.

A shorter removable high-voltage board exposes more of the printer interior, simplifying access to the encoder and waste liquid tank.

Separate cooling for the transistor pair and analog conversion circuit limits heat transfer and keeps liquid ejection drive signals stable.

Cooling liquid channels in a metal substrate remove heat from bipolar drive transistors, keeping liquid ejection circuits stable.

Oxanilide UV absorbers and non-phenol developers help thermal recording media keep color formation, light resistance, and heat resistance without phenol safety concerns.

A blower duct forms harness space along the frame, preventing lift and component interference while keeping recording device wiring maintainable.

Position-based radiation control evens thermal treatment across print media, improving image uniformity, durability, and emitter efficiency.

Threshold-based capture of horizontal and vertical print regions lets CIS inline inspection detect cross-process defects without costly vision hardware.

Shape-based ink increase at ridge lines prevents blank areas and improves adhesion on adjacent and inclined print surfaces.

A drop size monitoring mechanism calculates accurate ink usage by processing real-time drop count data from the printer.

A feed device pull-back mechanism retracts unrolled medium during tray removal.

Ejector posts extend past the blade to prevent cut media from lodging in housing gaps and reduce adhesive issues.

Segmented absorber design accelerates liquid transport to the detection zone, reducing the time required to identify ink leaks within the casing.

A heater chip test circuit uses a second power device to detect open heater circuits via a common test output.

A movable portion shifts position to create negative pressure within the ink tank reservoir.

Optical detection monitors absorber state, triggering suppression ink ejection to prevent overflow and reduce removal costs.

A roll unit transitions between stored and deployed modes to support media rolls within a recording apparatus.

A light-irradiating device supplies oxygen-free gas through a specific flow path to enhance curing efficiency.

A liquid ejection device uses a common testing portion to verify nozzle function during active cycles.

A print head cooler assessment method uses non-jetting pulses to generate heat for in-situ functionality verification.

Offsetting activation signals via incremental sensor pulses compensates for flight time delays during acceleration, maintaining register accuracy.

Counterweights balance the tension adjusting unit at contact and retracted positions, eliminating posture instability during medium replacement.

Digital patch comparison replaces physical test charts, resolving the contradiction between measurement precision and operational complexity.

A driving roller adjusts its rotation amount based on detected recording medium position to ensure precise transport accuracy.

Sequential pulses expand and compress the pressure chamber volume to suppress satellite droplet formation while maintaining main discharge stability.

A printer cutter guide protrudes beyond the fixed blade edge to block uncut media ends during backfeeding.

Horizontal cartridge attachment simplifies replacement workflows while increasing storage volume relative to the occupied space.

A controller switches sheet feed sources between trays based on remaining amounts to maintain continuous printing operations.

A notification unit alerts users to low ink levels while an estimation unit detects replenishment events through sensor data.

Drive unit generates internal control signals from selection data via insertion patterns, eliminating external wires and reducing circuit complexity.

An inkjet printing apparatus manages independent ejection conditions for ink and processing liquid arrays to minimize mist generation.

A carriage-mounted ink tank hides a sensor during replenishment to prevent ink adhesion.

A piezoelectric ink jet head driving method applies a boost pulse to amplify pressure vibration before ejecting the first droplet.

A segmented hinge mechanism positions an internal cover to seal the gap between a printer's outer case and front aperture.

Film-sealed grooves create long thin flow paths to balance pressures, preventing leakage during unstable refill cycles.

A movable image sensor adjusts its position to read large paper sheets using a smaller reading width.

Multiple LED rows with distinct intensity ranges compensate for manufacturing variations, ensuring stable and uniform curing of photo-curable ink.

A dual-sensor system monitors liquid levels in both the ink cartridge and the supply tank to enable precise residual quantity tracking.

A movable radiation dryer unit adjusts position to facilitate maintenance access on printing presses.

A printing apparatus adjusts cutting timing to enable parallel cutter return and page conveyance.

A print head uses a communication path to relax internal negative pressure during ink ejection.

A movable baffle selectively blocks airflow through upstream and downstream sides of printhead openings to manage crossflows.

Rail-based transfer assemblies buffer and exchange processing stations, eliminating costly crane operations.

A roller holder adjusts individual shaft pressing force via a sliding portion to control nip pressure.

Adjusting valve open times compensates for pressure differences among sub-tanks, preventing meniscus destruction and ensuring reliable ink injection.

A liquid ejecting system adjusts drying temperature based on environmental data to maintain consistent color development.

A control unit conveys printed media to an ejection position outside the drying unit after image formation.

Droplet ejection apparatuses prevent nozzle drying by releasing humidified air from ports positioned between zig-zag arranged ejection units.

A liquid ejecting apparatus uses a pressure mechanism to compress a flexible storage portion during filling, ensuring consistent ink supply.

A computer evaluates digital images of nozzle test patterns by measuring row start distances to identify failed print nozzles without locator marks.

A liquid ejection apparatus uses a housing position detector to control ink supply from a main tank to a sub-tank.

A printer cartridge mounting unit uses a light transmission sensor to detect remaining ink levels alongside a counter for ejected droplets.

A liquid ejecting apparatus uses a micro vibration signal to maintain ink quality.

A printer accommodating unit positions the waste liquid container between the front wall and ejecting head to enable easy front-side access.

An asymmetric liquid supply apparatus directs leaking ink from flexible containers into a dedicated receiving member, preventing loss.

A liquid ejecting apparatus adjusts preliminary ejection data to recover nozzle performance while maintaining image quality.

Inkjet heater chip generates internal clock signal using oscillator circuit to synchronize data transfer without external input.

A printing apparatus lighting unit arranges light sources in distinct areas with varying densities to cure ink on printable media.

Circuit substrate with elastic contacts connects to ink tank terminals for reliable liquid level sensing.