Other Printing Apparatus TRIZ Cases

A dual-side tank layout positions storage reservoirs on both sides of the conveyance path to increase liquid capacity.

A print buffer divides recording data into segments to count ink ejection volume for accurate waste estimation.

A pressure regulation valve and pump maintain stable negative ink levels in the second tank of an inkjet recording apparatus.

Piezoelectric resonance oscillates ink meniscus while electrostatic voltage accelerates ejection, preventing nozzle clogging for high reliability.

A printing system post-processing control section adjusts conveyance speeds based on paper length to maintain continuous operation.

Upstream and downstream guides feature aligned support surfaces to eliminate level differences, preventing recording media from catching at transitions.

A central rotator bears the rolled sheet from below to prevent deflection and wrinkling during large-format printing.

An adhesion-retardant coating on the cutter unit's second blade eliminates jamming caused by sticky linerless labels.

A single motor drives auxiliary and transport rollers through a shared drive train to ensure coordinated medium movement.

A thermal printing mechanism uses a gear shaft with a worm screw to drive the platen roller.

Six geometric plates combine via magnets to form all Korean characters, resolving the complexity of teaching 28 individual letters.

A multi-head inkjet printing device uses a print-heater to thicken discharged ink before subsequent color layers are applied.

Segmenting the storage chamber with a wall portion prevents air bubbles from adhering to the detector, ensuring accurate ink level readings.

Lateral carriage movement positions distinct grip parts at side openings, resolving the conflict between compact ink arrangement and user accessibility.

Upstream heater operates at higher temperature than downstream units to dry ink on continuous sheet, preventing wrinkles during high-speed reeling.

A slanting surface guides cut trash into a narrowing vertical space, preventing jamming and drive load spikes during sheet cutting discharge.

A liquid container protection portion covers the outlet port to prevent accidental user contact and liquid leakage.

A liquid ejection apparatus uses a movable restriction unit to secure an ink container tray during operation.

An inkjet printing assembly switches between direct and indirect processes using a control unit to select the print medium.

A recording device selects ink ejection from the nozzle row connected to the tank with the highest remaining volume.

Compensates decentering movement errors by averaging adjustment amounts from multiple separated nozzle row patterns.

Retracting the cutter holder vertically clears the feed path, preventing jams and enabling continuous sheet feeding during backward movement.

Address generator merges first and second firing groups into a single system, reducing device complexity while improving printing speed.

Segmented coupling conduits and a bridge resilient element distribute engagement force, preventing structural damage during installation.

Central axis rotation keeps the door inside the compartment boundaries, preventing exposure to impacts that cause misalignment.

Merging separate paper roll paths reduces component count and operational complexity while maintaining uninterrupted sheet conveyance.

Focusing UV light along the flying path cures photo-curable ink immediately upon landing, preventing bleeding caused by delayed polymerization.

A tension applying unit adjusts driving force to maintain medium transport accuracy.

Dual fans circulate heated air over a platen and guide, reducing water-based ink drying time while preventing nozzle clogging.

Adjustable edge seals define a vacuum chamber opening to apply uniform pressure across movable print media, preventing air leakage and fluttering at the edges.

A printing apparatus adjusts testing waveform parameters to detect residual vibration in inkjet nozzles.

A liquid ejection head employs a corrugated groove structure to alleviate thermal stress between the substrate and ejection port plate.

Out-of-phase firing segments nozzle activation to reduce peak power fluctuations and simplify power supply design.

A printer suction duct forms a gap between its cover member and the motor to enhance airflow.

Temperature-based control prevents erroneous nozzle determination and ink waste during testing.

Varying suction hole ratios on a conveyor belt reduces air flow and prevents paper dust from attaching to inkjet nozzles.

An angled optical sensor detects light deflection through transparent media, resolving detection failures on unmarked liners without manual adjustments.

Protrusions define an imaginary plane that positions the electrical interface downward, preventing damage during impact while maintaining easy attachment.

Variable droplet size flushing detects clogged nozzles to reduce maintenance time while maintaining printing quality.

Dryer unit gas output slots and openings increase volume flow rate without raising pressure or temperature, preventing damage to sheet material or ink.

A printing apparatus control section switches operational modes based on ink cartridge authentication information.

Segmented clear liquid ribs prevent substrate wrinkling while minimizing fluid consumption.

Second suction holes stabilize paper posture adjacent to light transmission portions, ensuring sufficient suction force and air flow for cooling.

Dynamic irradiation control resolves image quality inconsistencies caused by varying dot spreading across different printing conditions and medium types.

Segmented guide shafts eliminate radial backlash in image scanners by using local quality differentiation to stabilize the carriage without increasing height.

A support unit with friction relief processing reduces contact area to minimize sliding resistance against a transport belt.

A print head nozzle group adjusts dot arrangement and ink volume sizes to maintain consistent image quality.

A printing system adjusts encoder setup parameters using an integrated measuring device to detect paper thickness.

A controller measures ink damper capacity variation by injecting and suctioning fluid through ducts.