Function Indicators TRIZ Cases

Regulating the opening of a folded sheet bundle reduces misalignment and uneven cutting during saddle stitch binding.

Variable conveyance speed prevents overlapped feeding of small originals while maintaining high productivity for larger documents.

Variable circumferential velocities between roller pairs prevent skew and buckling in reversing paper paths.

An ultrasonic detector analyzes frequency components to identify paper jams and multifeeds without dedicated microphones.

A control unit calculates sheet width using a rotary variable resistor after a predetermined delay.

A folding assembly uses a single funnel roller to guide the web across two hopper levels, reducing installation space.

A control unit measures paper stack thickness to determine binding feasibility in image forming apparatuses.

A printing apparatus tray moves perpendicular to the discharge direction to receive print media at multiple positions.

A paper feeding device uses a blower and flow regulating member to generate negative pressure for precise sheet separation.

A pick mechanism adjusts its height using a flag and optical sensor to match media type.

A sheet feeding apparatus adjusts fan airflow volume based on detected sheet length to maintain stable paper separation.

A document diverter drum routes papers through multiple feeders using independent guiding mechanisms.

Control unit synchronizes paper feed with independent fence movement and table elevation to align print sheets during discharge.

A sheet processing device moves its stitching unit using combination acceleration profiles to cancel natural vibrations during high-speed operation.

Dynamic operation arm and lever linkage maintains stable driving force transmission to the handling mechanism despite varying tray angles.

A printing controller reroutes images to compatible media sheets when sensors detect quality defects.

Segmented downstream pressing portions stabilize long sheets by targeting center of gravity regions, resolving alignment precision versus size adaptability.

A horizontal contact image sensor detects a slanted shape marker to determine elevator position without homing operations or complex sensor arrays.

Dual conveyance belt system coordinates suction timing to stop the second belt, preventing overlapped sheet feeding caused by frictional resistance.

A knob cover linked to a guide blocks manual drum access when closed, preventing banknote jams and equipment damage during maintenance.

A liquid discharging apparatus detects a medium movement unit at its protrusion position using dedicated sensor units.

Disengaged drive means during feeding prevents unintended adjustments while maintaining reliable operation.

A switching gear system adjusts drive source engagement to optimize motor load during sheet conveyance operations.

A sheet feeding device positions a blower beneath the adsorption conveyance section to separate paper sheets using directed air flow.

A controller adjusts web tension based on ink drying time to maintain media flatness during high-speed printing.

Progressive drive control separates overlapping documents using ultrasonic detection, reducing buckling and fatal faults from aggressive retries.

A thread sewing machine conveying mechanism adjusts transport speed based on detected printed sheet lengths to enable automated processing.

Dynamic conveyance speed adjustment prevents incomplete image capture from shorter sheets by reducing separation velocity.

Media conveyance control applies specific torque to a paper roll after printing stops.

Differential suction forces prevent double feeding by overcoming sheet adhesion while maintaining separation accuracy under high humidity.

Upstream and internal sensors detect leading and trailing sheet edges to calculate width, resolving misrecognition caused by oblique placement.

An assist air blower device separates sheets by adjusting airflow volume based on real-time behavior detection.

An elevatable delivery roller and tray adjust vertical positions to increase sheet capacity without expanding the supply tray depth.

A controller adjusts the maximum number of stacked sheets based on detected medium swelling to optimize processing flow.

Differential ventilation ports adjust air volume to float the topmost side of envelopes, resolving alignment issues caused by folded structures.

Segmented guide members with elastic arms attach automatically to rolled media, preventing loss during replacement and ensuring stable axial regulation.

Replacing ultrasound sensors with pneumatic lifting reduces device complexity while maintaining measurement precision through air amount analysis.

Remote-controlled arcuate bow spreader eliminates roller complexity, reducing film creases and maintenance needs.

Dual detectors below an optional device monitor discharge tray load capacity, enabling the controller to prevent overloading and paper curling during printing.

A raisable lift plate adjusts pick height to maintain optimal media feeding.

Dynamic conveying speed adjustment removes sheet slack after cutting, resolving the trade-off between cutting precision and throughput efficiency.

A conveyor switching part redirects sheets between paths to maintain continuous operation.

A controller detects work target positions to activate an internal illuminator, improving visibility in darkened spaces.

A sheet holder uses a biasing body to maintain contact between a rotary body and detection target for precise rotation angle measurement.

A moving mechanism shifts a nip roller away from a feed roller when extracting the unit, preventing friction damage and easing replacement.

A sheet feeding device controls tray lowering to stabilize air loosening conditions.

Ultrasonic sensors differentiate fold types from double feeds, reducing fatal faults and improving document throughput.

A rotatable arm portion detects sheets in a cassette while allowing safe jam removal.

Real-time thickness detection adjusts winding density and tension to resolve dimensional inconsistencies in tissue paper rolls.