Function Indicators TRIZ Cases

A pivotable second guide member directs sheets through curved or straight paths, preventing misalignment and reducing resistance during manual feed operations.

Optical sensor detects distance to movable edge guide, resolving complexity trade-offs in printer sheet size and quantity measurement.

A positioning portion aligns the sensor lever with the main body, resolving detection errors from door movement variations.

Local pressing units counteract repulsive forces between rollers to prevent central bending and eliminate sheet wrinkles.

Adjusting ejection roller speed based on detected medium size aligns rear edges of varying media sizes on the tray, preventing interference.

Dynamic lifting of the sheet stacking portion exposes the feeding roller, resolving poor accessibility during cassette replacement.

A recognizing section assesses sheet bunch weight to adjust discharge limits for reliable stacking.

Air blowing operation reduces close contact force on coated paper before pickup, preventing edge bending and sheet skewing during high-speed feeding.

An elliptical hold down finger mechanism prevents page misalignment by dynamically adjusting position relative to the accumulating paper tray.

A single microphone detects paper jams by processing sound values along the transport path, automatically adjusting sensitivity for different media types.

Pneumatic actuators assist electric motors during high-speed side introduction movement, reducing inertia and structural complexity in interfolding machines.

A controller pauses recording media discharge to maintain the uppermost surface height on a support tray.

A sheet feeding tray detects foreign objects using a sensor flag that protrudes at multiple positions, eliminating waiting time for lowest position detection.

A swingable medium supporting portion detects sheet curl via movement to adjust stacking position.

A phosphorescent belt emits light to resolve insufficient contrast between colored media and black belts, enabling accurate edge detection.

Curved conveying paths guide paper sheets through smooth transitions at switching junctions, preventing sudden direction changes that cause bill jams.

A conveyance device adjusts upstream roller target speeds to maintain constant sheet media transport.

A sheet handling system buffers material based on collation mark proximity to compress the conveyance feed path.

A media sheet acceleration mechanism adjusts transport speed to align sheets precisely for toner transfer.

A scanner mounting table on the upper side of the main body allows documents to be mounted and retrieved along a short motion line.

A conveyance control unit calculates a third conveying speed to extend the interval between sheets during discharge operations.

A paper conveying device identifies jammed paper removal zones by combining current and previous sensor statuses to improve display accuracy.

A feed roller mechanism coordinates movement with a retractable guide member to ensure proper sheet contact timing.

Staircase rack gears and a pinion gear move paper guides laterally, eliminating interference with roll paper to enable compact portable printer designs.

A sheet feeding device uses a movable separating member to adjust separation resistance for different recording media.

A sheet aligning mechanism uses rotational and rectilinear waiting position detectors to maintain precise alignment member positioning.

Controller dynamically adjusts scoring and pressing based on bundle thickness to prevent cracking in thin sheets and bulging in thick ones.

A flexible pressing sheet slides on a rail member to open the conveyance path in an image reading apparatus.

Dynamic current limiting prevents gear damage during positioning while enabling faster tray raising for uninterrupted paper feeding.

A guide traverse with a U-profile design covers the actuator to reduce vertical height, minimizing archway space and improving stacking quality.

Segmented media receiving portion moves downstream to receive larger sheets without displacing smaller ones already stacked on the tray.

A rotating staple inserting unit adjusts position based on sheet bundle thickness to maintain alignment.

Segmented conveyance paths prevent failures during inline varnish application, maintaining print quality and productivity.

Movable guide wall rollers prevent print media jamming and skewing by physically blocking oversized stacks from exceeding maximum capacity limits.

Fulcrum surfaces enable the drive wheel to pivot, accommodating media roll misalignment while maintaining precise torque transmission.

Variable speed rollers synchronize with a transporting conveyor to maintain horizontal sheet posture, preventing misalignment during separation.

Segmented rigid and elastic components resolve the contradiction between ease of assembly and structural reliability in tiltable end guides.

A feeding device uses a dynamic holding member to regulate the raising device state for stable sheet positioning.

Control unit lifts stacking portion to verify sheet presence/absence detection flag integrity, preventing erroneous feeding caused by detached or broken flags.

A sheet discharge apparatus controls roller rotation to reduce operational noise during tray detachment.

A variable page feed velocity detection system calculates acceleration and deceleration values to control media movement in the output zone.

A transport device moves material through a nip region using coordinated roller and holder actions.

Inward protruding portions on guide members align recording media to prevent skew jams without widening lateral spacing.

A slide mechanism lowers to guide sheets between rollers, preventing friction-induced bending and damage during digital processing.

A sheet takeout device uses a separation roller to apply opposite-direction force for separating stacked sheets.

A sheet feeding apparatus control unit omits initial air blowing when residual sheets remain from a prior job.

Lifting element raises sheet edges to guide the middle portion onto a support surface, preventing wrinkles caused by moisture absorption.

Control device extends predetermined time for quality assurance operations based on detected sheet feeding mode.

A transmission mechanism decouples the operating lever from the movable body, resolving poor operability when the press moves to difficult positions.

A pneumatic baffle system lifts sheet lead edges using high-velocity airflow to maintain consistent registration during stacking.