Spacing Mechanisms TRIZ Cases

See how periodic non-ejection vibration stirs nozzle ink to prevent aggregation from volatile p

See how vibration-applied contact protrusions loosen fiber bundles after printing to improve fa

See how helical motion of printheads along a shaft-mounted cylindrical fabric maintains consist

See how a control device determines washing conditions from printing step data to ensure consis

Using two same-type motors at opposite carriage ends simplifies feedback control while maintaining high-speed, accurate motion for heavy printheads.

Opposed guide members align a flat cable from both sides to prevent oblique or shifted insertion into a print head port.

Periodic timing correction based on encoder-derived position suppresses printing unevenness and improves image quality in image forming apparatuses.

Two motors with the same drive characteristics and position feedback move a heavy printhead quickly and accurately without mixed-motor control complexity.

Encoder-guided rail printing automates overhead hoist mark placement, improving accuracy, cutting labor, and reducing particle scatter.

Alternating lubricating and non-lubricating roller sections reduce carriage friction while limiting excess lubricant that can degrade print quality.

Separate swath data is sent to disjoint nozzle sets on one die, enabling dual-image printing on the same media side without fluid mixing.

A carriage-mounted drying unit evaporates liquid from the maintenance absorber pad during print stops, cutting pad consumption and clogging risk.

Carriage position sensing detects air purger and lock status during setup, preventing improper tube purging and fluid-ejection damage.

A multi-purpose sensor measures ink patterns and head distance to correct bidirectional droplet timing and improve line alignment.

Processing circuitry corrects nozzle-spacing errors during head rotation, enabling uniform high-density liquid application across scan directions.

Disjoint nozzle sets on one die print separate digital representations in the same swath, enabling optical effects and defect compensation.

Varying head gap in test-pattern printing reveals landing-position shifts, enabling faster, more consistent inkjet head adjustment.

Alternating opposite-direction passes without moving the sheet helps band images keep consistent color and reduces visible banding.

Residual airflow from carriage reversal can shift ink droplets; this case uses pass timing and partial-image control to keep landing accurate.

A controller checks whether strong head recovery is truly needed, cutting unnecessary ink use while maintaining discharge recovery.

Time-series analysis of carriage velocity and control signals predicts service life and enables maintenance before image forming failures occur.

Encoder-based carriage motion trends reveal wear and motor abnormalities early, helping image forming equipment avoid unexpected downtime.

Carriage position sensing detects air purger presence and lock status, enabling correct tube purging and preventing setup-related damage.

Head movement is set by local color-difference analysis so adjacent partial printings keep color uniformity without slowing print speed.

A trigger arm lifts the supply manifold when unlocked, blocking carriage movement and preventing inkjet pen and connection damage.

Pass modulation adjusts scan count and sub-scan movement to recover defective nozzles while preserving print quality and speed.

By measuring droplet flight time at two sensor distances, this case improves inkjet ejection speed accuracy and landing position alignment.

A flexible low-friction film inside the carriage-following housing cuts tube abrasion in curved sections and extends elongated member life.

Dual guide rails, linear motors, and synchronized lifting reduce wear, prevent carriage tilt, and enable precise 3D printhead positioning.

The wiping mechanism moves from standby to start while forming continues, reducing post-forming delay and preventing carriage collisions.

Moving the wiping mechanism toward its start position during printing shortens post-print cleaning time while coordinating carriage motion to prevent collisions.

A movable droplet detector measures ejection timing at different head distances to calculate speed accurately and prevent landing misalignment.

An energy-storing assembly captures carriage braking energy and returns it during acceleration while scanning width follows the print medium.

An elastic displacement portion lets the ink tube holder yield under excess force, keeping the recording carriage aligned with its guide shaft.

A linear encoder compares carriage motion with motor-encoder readings to correct rotation positions and stabilize printer carriage speed.

Embedded marks let an inkjet printer detect landing position, alignment, and density during output without separate test patterns.

Defective nozzles are bypassed by rerouting image data to complementary functional nozzles, preserving print quality without stopping production.

Multiple position sensors stop a guide-rail print device at defined locations, reducing over-travel risk when a sensor fails.

Long scales are difficult to manufacture beyond 3 meters, so alternating scale heads read segmented linear scales for accurate position detection.

An intermediate image carries a detectable mark, enabling landing and paper-feed adjustment without separate test patterns.

This case maps image data to complementary nozzles, preserving print quality without stopping inkjet printing.

Dual guide rails, linear motors, and synchronized lifting enable precise, wear-reduced three-axis printhead positioning.

Integrated heads streamline wide-fabric printing while improving ink fixability and fastness.

This case uses an enlarged frame opening and claw engagement to stabilize belt tension without extra components or higher power use.

Independent sub- and main-scanning inclination mechanisms align each inkjet head, reducing landing variation without retiming ejection.

A forward-return cleaning slide combines ultrasonic cleaning, suction, and rinsing to protect print head nozzles and ink supply systems.

Optical detection of reaction-ink adjustment patterns corrects discharge timing for accurate color overlay in forward and backward printing.

A sensor tracks droplet landing positions, enabling timing correction between main scans to stabilize bidirectional print quality.

Sensors and step-based control adjust head travel near target positions, balancing rapid movement with precise image formation.

An encoder-guided controller detects the receiver position and sets flushing timing so ink stays within the ink receiving unit.

A control unit switches irradiation parts by range data, matching UV curing to ink patterns and reducing exposure of non-ink areas.

Variable-speed stepping motor control positions the image-forming head quickly and precisely.

A divided-nozzle serial printhead uses overlay patterns and optical feedback to align transparent reaction liquid in both paths.

Precomputed droplet-speed data adjusts discharge control during carriage speed changes, stabilizing landing positions and image quality.

A multi-pass inkjet device adjusts nozzle movement to maintain consistent color ink density across printed pixel arrays.