Other Printing Apparatus TRIZ Cases

A liquid ejecting apparatus sets the medium contact section and recording head to equal potential.

Positioning path openings on a sliding plane prevents wall interference, reducing support size while avoiding paper cutting.

Intermediate buffer tanks alternate feeding the printhead while refilling from a high-volume supply, preventing mid-print ink depletion.

Differentiated suction forces counteract warping near support rollers, ensuring consistent sheet absorption and preventing misalignment.

A printer damper portion swings open above the chassis to facilitate continuous paper insertion.

Depositing and fixing a marking layer on the belt surface increases friction, preventing print medium displacement without raising suction chamber normal force.

Front-end placement of the circuit board and fixation structure allows high-density arrangement while maintaining reliable electrical connections.

Variable suction force resolves the trade-off between paper holding stability and conveying efficiency to prevent curling.

Independent drive sources and dynamic roller rotation prevent image blurring by maintaining constant load and speed during duplex recording transitions.

A print verification system locates and classifies nozzle artifacts using image readers.

A protruding light shielding member blocks external radiation from reaching an optical sensor in a portable printer casing.

A reset monitor circuit tracks signal duration to manage actuator operating conditions.

A method producing composite pages with uniform security features using a status variable to assign document types.

Heated pressure rollers flatten and dry inkjet media to prevent wrinkles that cause registration errors in stapling or hole punching.

A liquid ejection apparatus uses humid air to soften coagulated ink lumps on the recording head.

Relocating the damper to the lateral carriage side suppresses product size increase while maintaining collision noise protection.

A cooler chills the print medium below ambient temperature before ink ejection to stabilize the liquid.

Segmented guide surfaces with varying inclinations control sheet cockling in the width direction, preventing paper jams and edge damage.

Low-resolution scanning combined with interpolation processing reproduces precise line positions to detect clogged nozzles without slowing inspection speed.

Dynamic purge amount selection prevents excessive ink waste while ensuring adequate user preparation time for tank replacement.

Segmented test patterns with shifted sub-patterns maintain inspection accuracy despite printing medium skew.

Inverting the second blade rotation center prevents biting between blades while maintaining sharp edges for effective cutting.

A printer roll sheet holder moves between storage and takeout positions via a link member connected to the input port cover.

Segmenting the mounting structure into a guide and receiving portion resolves the contradiction between compact volume and reliable connection.

An intermediate tank with a damping membrane stabilizes ink pressure for the recording head.

A printer vacuum table with individually controllable holes uses valve mechanisms to apply pressure precisely under the substrate.

An electrode unit distinguishes coupling failures from low ink levels by comparing resistance and capacitance values against thresholds.

Porous liquid-repellent film on elastic nipping member evacuates trapped vapor to eliminate retention bottlenecks and accelerate drying cycles.

A printing apparatus controller reduces tension on splice portions during drying to prevent damage.

Segmenting the storage wall into thinner and thicker portions resolves the contradiction between detection accuracy and structural strength.

A printing apparatus positions the ink supply portion downstream of the print head using flexible pipes to reduce paper transport distance.

A recording head detects nozzle ejection failures and adjusts the medium feeding direction to minimize visual defects.

Variable suction pressure profiles smooth recording medium undulations, preventing print head damage and maintaining image quality.

A cutting apparatus casing features a dual passageway guide mechanism that directs media through distinct paths for blade contact and non-contact movement.

Segmented control circuit boards position drivers near discharging heads, reducing wiring length and improving signal propagation precision.

A liquid discharging apparatus uses multiple determination modes to detect discharge states across various units.

A liquid discharge apparatus sub tank uses a judging mechanism to supplement ink before purge operations.

Segmenting nozzle groups reduces ink overflow and thickening while maintaining reliable ejection.

Transfer rolls and tension means maintain constant force on thin material to prevent wrinkles during continuous printing.

A liquid cartridge uses detector movement timing to estimate ink viscosity for precise flow control.

A heating portion contacts the back surface of a printing medium to transfer heat directly, eliminating unevenness caused by slow hot air drying.

Agitator mixes preservation liquid with ink in the channel, ensuring complete removal and preventing print quality deterioration.

A medium supply device uses a moving roller to increase contact surface area between support rollers and large roll media.

A waterless UV inkjet transfer system deposits digital images onto a flood coat layer for high-speed variable data printing.

A rotatable main body unit exposes a cutting blade on the lateral side for direct access.

A multi-chamber inkjet print apparatus pre-tests replacement head modules in an external third chamber before installation.

A deformable lid member contains liquid during detachment.

A piezoelectric film sensor on a slit skirt detects recording medium contact via deformation, preventing damage from inaccurate detection.

Dynamic pump speed control minimizes ink discharge during cleaning liquid injection, preventing nozzle clogging while maintaining efficient maintenance cycles.