Registering Devices TRIZ Cases

Phase matching control aligns the second conveying roller with the print medium, correcting skew without complex drive switching devices.

Position correctors sum deviation data from upstream and downstream sensors to resolve timing constraints that limit single-point detection accuracy.

A stacking tray guide plate uses a stopper mechanism to adjust paper positioning.

Clutch switching reduces torque limiter load and backlash while maintaining high-speed transport accuracy.

A flexible sheet wrapped around rollers adapts to varying loads, enabling stable high-speed stacking of up to twenty sheets without damage.

Dual cooling fans extract vapor from the sheet conveyance path to prevent condensation on moist paper during duplex printing.

Edge detection units measure medium skewing angle and direction, providing quantitative feedback that resolves usability trade-offs in printer operation.

Magnetic detection replaces mechanical levers to reduce part count and manufacturing costs in bill processing devices.

A sheet feeder adjusts feed roller rotation speed based on sensor detection to ensure smooth conveyance of low-stiffness materials.

Upstream resist rollers adjust rotation speeds to correct sheet skew early, preventing jams without widening the scanner transport path.

Tapered guide member spacing aligns sheet edges to reduce device complexity and prevent jams.

A feeder roller and guide device share matching colors to minimize reflectance differences in an image reading apparatus.

A media unit redirector assembly flips discrete media units using a single motor-driven roller mechanism.

Angled transport surfaces guide heavy sheets toward registration walls via gravity, preventing trailing edge damage during high-speed printing.

Adjustable rollers modify grip based on movement resistance to prevent creasing and improve positioning accuracy.

A sheet width regulating device synchronizes dual cursors via a rack and pinion linkage, resolving cursor inclination caused by non-uniform force distribution.

A media supply tray links opposing side guides via a cable and pulley system to detect paper size, preventing jams from misalignment.

A sheet conveying apparatus uses a movable regulating guide to enable easy removal of jammed sheets from the belt.

A sheet conveyance apparatus adjusts roller nipping states to move sheets laterally.

Displaceable transport guides widen spaces between movable rollers, reducing sheet skewing during axial movement.

An interlock mechanism closes the guide before door closure, preventing damage from user error.

A conveying device adjusts an end position detector output level to correct sheet posture during image formation.

A semiconductor package handling system uses a flip mechanism to expose surfaces for inspection.

A printing apparatus performs skew correction on a succeeding sheet while it overlaps with a preceding sheet.

Variable parallelism between roller shafts and movable guide plates cancel accumulated sheet positional shifts in long double-sided printing paths.

Electronic speed control replaces mechanical clutches in duplex image forming apparatuses to prevent sheet misalignment and reduce manufacturing costs.

Elastically deformable arms lift sheets over recesses, preventing jams and reducing downtime during stripping operations.

A bill processing apparatus moves a presser plate to block an opening until a sensor detects insertion, preventing fraudulent extraction.

A movable distance changing member adjusts guiding members to center register sheets during transport.

Rotating base boards and shifting registration rollers correct sheet skew and position deviations to prevent image degradation.

Timed clutch switching disengages reverse rollers before registration engagement, preventing thick sheets from jamming during reversal.

Preliminary positioning aligns the front edge against a support surface, preventing displacement and uncontrolled movement during cutting.

A biasing member with a double torsion coil spring generates force to hold the sheet supply cassette at its installation position.

An inclined rib edge directs sheet edges away from gaps between the loading face and cursor base, ensuring precise alignment.

Differential rotation of feed rollers corrects skew without stopping motion, reducing system mass and cost.

A conveyor roller pair adjusts rotation speed to position recording paper leading edges against registration rollers.

A movable side regulating plate uses an indented sheet pressing portion to maintain uniform force application across varying sheet sizes.

Movable pieces regulate bill side edges to align the currency parallel to the conveyance direction.

An oblique-feed unit adjusts driving speed and nipping force to convey sheets accurately.

A configurable XY table system uses rollers and manipulators to register substrates from multiple sources.

Mechanical linkage replaces solenoids to reduce cost and noise while switching sheet paths.

Drive rollers correct skew and rotate flats from landscape to portrait, resolving alignment complexity while maintaining high processing throughput.

Transmitted light through patterned belt perforations ensures constant sensor signals, resolving blind spots in colored media edge detection.

A guiding tray adjusts its distance from a document tray to accommodate varying paper widths, preventing skew and reducing storage volume.

A pivotally supported actuator protrusion retracts from a conveyance path via a cam mechanism and spring urging force.

A rotatable pick-up bracket adjusts position during reverse conveying to prevent interference with the feed roller.

A pivotable card feeder moves between raised and lowered positions to clear the print zone, eliminating obstruction of the ink jet print head during operation.

A composite guide member pairs an elastic base with a rigid surface layer to prevent sheet tearing and ensure accurate conveyance.

Dual conveyance paths with sensors perform preregistration corrections to reduce paper arrival timing variations and shorten sheet intervals.

Restricting members engage the manual bypass tray to prevent side-fence movement and sheet skew, resolving weight-induced misalignment issues.