Function Indicators TRIZ Cases

Rotatable pressure arms detect sheet stack volume via angular position changes to resolve power loss counting errors in image forming apparatuses.

A sheet discharging tray device adjusts movement based on sensor feedback.

Two symmetrically mounted flags with adjustable torsion springs prevent skewing by canceling off-center forces without adding rollers or algorithms.

A press down unit applies its own weight to the downstream end of a recording medium to prevent curling.

A sheet processing apparatus uses switchback conveyance to discharge unbound bundles while maintaining precise alignment.

A relay apparatus bridges serial and parallel interfaces to manage sheet interval data between image forming devices and post-processors.

Variable arm speed along the belt path resolves synchronization loss between the arm and roller during discharge.

Adjustable handling-blowing unit prevents double feeding and feeding failure by dynamically modifying air flow based on blower performance.

A stacking tray descends before the first sheet arrives and ascends before the second sheet reaches it.

A drive conversion mechanism uses one-way clutches to transmit rotation from constantly meshed gears to an output shaft in a single direction.

A banknote stacking device uses a vertical position-limiting plate to constrain fluttering notes during centrifugal conveying.

Alternating reflectivity surfaces on a roller enable precise speed detection, resolving inclination-induced measurement errors.

A rotating braking body decelerates printed products in a paddle wheel compartment, accommodating variable entry times and thicknesses to prevent damage.

A post-processing device integrates a buffer section into the conveying path to manage sheet flow between processing sections.

Positioning a liquid reservoir vertically above the medium ejection route suppresses apparatus plane area expansion while preserving large ink storage capacity.

A sheet conveyance apparatus adjusts roller speed based on shift amount to optimize movement.

A post-processing device adjusts upper roller contact timing to reduce paper impetus.

Independent speed signals prevent empty folder runs during production transitions, reducing material waste by 40 copies per cycle.

Segmenting roller rotation through a brake mechanism prevents multi-feed errors while maintaining simple single-motor operation.

Resilient biasing maintains stable grip as roll thickness decreases, enabling universal top or bottom cutting configurations.

Segmented hub portions with complementary tabs lock the frame together, preventing accidental braking and damage during heavy-duty tape loading.

A paper type detection unit controls an air blowing unit to separate sheets only after printing the preceding sheet.

Multiple clutches configure discrete separation modes, resolving the need for separate feeders by adapting torque resistance to material requirements.

A sheet ejection tray uses a temporary stack section to collect and release printed pages.

A drive connection member with a trigger arm connects the conveying member to the ejection tray module only during non-printing periods.

A sheet feeding apparatus adjusts roller rotation speed and stiffness based on detected recording material size to ensure reliable conveyance.

Segmented suction belts arranged in another dimension maintain stable sheet conveyance despite vertical spacing constraints between transfer and fixing nips.

A movable driven roller integrates a rotary encoder to measure rotation without a universal joint.

Cam-driven oscillating levers position winding accessories automatically, eliminating manual adjustment errors and production stoppages.

A controller converts image data based on actual sheet size detected by sensors.

A printing apparatus dynamically routes output sheets to selectable discharge destinations when sheet counts exceed saddle-stitching limits.

A pressure unit presses preceding sheets against a stacking tray to prevent disturbance of sheet alignment caused by the weight of succeeding sheets.

A discharging roller decelerating unit adjusts roller speed to ensure uniform document stacking in image forming apparatuses.

An intermediary damping member absorbs stick-slip vibrations from the separation roller shaft, preventing noise transmission to the arm member.

A switching unit toggles a printer tray between automatic and manual modes using a planet gear mechanism.

Segmented rotating arms resolve sheet curl contradictions to stabilize image processing accuracy.

An optical wrinkle detector verifies sound-based jam signals to suppress erroneous detection caused by wrinkled paper.

A binding control apparatus segments printed sheets into groups to apply stapleless processing within unit limits.

Segmented contact portions and an urging mechanism resolve the contradiction between smooth tray pull-out and stable recording medium contact force.

A feed detection unit positioned between the pinching point and roller tangential line enables swift document sensing.

A sheet feeding device synchronizes roll rotation speeds to maintain precise adhesive positioning during joining operations.

Motor control accelerates the severing member after cutting to reduce fold-back length and vibration.

Concave support sections and suction prevent cockling contact while out-of-focus light transmission improves detection precision.

A linear motor slide merges blister pack and insert transport via a pivoting retaining element, reducing mechanical complexity.

A modular post-processing unit with selective stacker modules adapts to varying printing speeds and media loads.

A paper conveying apparatus uses sound generators to create acoustic signals for abnormality detection.

Elastic deformation in the separating pad holder prevents double feed by maintaining roller contact under high paper loads.

A separation roller adjusts rotation speed to separate stacked sheets one by one.

A controller coordinates multiple transport devices by adjusting startup timing based on position parameters to ensure accurate sheet movement.