Other Printing Apparatus TRIZ Cases

A printer unit body positions sound absorber openings on the medium transport path to absorb internal rustling and sliding noise.

An image erasing apparatus uses identification data to set optimal heating temperatures for effective removal of coloring materials.

A drive portion moves an image reading unit to change a signal transmission cable's bending state while generating image signals for abnormality detection.

A printing device control section implements a high-speed mode that omits maintenance operations to expedite the first print cycle.

An S-shaped transport path with upstream rollers attenuates serpentine waves, preventing parallelism-induced skew and improving printing accuracy.

Protrusion engagement creates a tactile click that confirms locking, resolving insufficient visual inspection reliability and preventing ink leakage.

Upward rotating transparent cover eliminates horizontal door obstruction, expanding workspace and visual checking range.

A spacer prevents media wrinkling by releasing vaporized moisture without slit holes that impair transport properties.

A controller adjusts imaging heads using positional interpolation to correct geometric distortions.

A printing device moves recording medium forward and backward before stopping to reduce deformations caused by prolonged roller contact.

Positioning air chamber above filter creates bubble point pressure that counters water load, preventing nozzle leakage during posture changes.

Airflow blocking member segments the gap between substrate and floating plate to prevent suction hole clogging.

Temperature feedback adjusts DC/DC converter voltage to stabilize ink ejection energy and prevent droplet size variations.

Segmented stopper portions restrict insertion depth to prevent air leaks and overflow during image forming agent refilling operations.

Rear-mounted cooling unit directs airflow through a turn-around path to cool the circuit board while preventing dust attachment near walls.

A printing system corrects image data using apparatus-specific adjustment parameters to calculate precise ink consumption estimates.

A base material processing apparatus predicts meandering using upstream and downstream detectors to calculate coefficients via a model function.

A liquid storage body restoration method forms a communication port in the bag to inject fluid and reseal the unit for reuse.

A control unit calibrates only the second conveying length in an image-forming device to maintain recording medium precision.

Segmenting colorant application across passes with adjustable drying delays prevents bleeding and graininess while expanding the printable color gamut.

A humid-air supplier adjusts supply volume based on non-volatile component concentration in the storage portion.

Segmented temperature sensors calculate representative values to resolve contradictions between device complexity and measurement precision in ink jet printing.

Elongated ejection ports form layered air flow that suppresses outside air entry, preventing ink thickening in nozzles caused by evaporation.

A roll sheet feeding apparatus uses a rotation member to create controlled slack between an abutment portion and the drive unit.

A detachable duct and filter configuration enables easy cleaning of accumulated foreign substances within the recording device airflow path.

A printing head regulates preliminary ink ejections after wiping to clear nozzle mist and prevent color mixing.

Optical sensor detects magnetic positioning flag on maintenance cartridge to determine position, resolving cleaning operation reliability issues.

Platen and carriage heaters dry hard-to-dry inks at high speeds while preventing nozzle clogging.

An ink absorption portion positioned next to the holding area intercepts ink from marginless printing, preventing transfer to users' hands.

A post-processing agent application control device determines optimal agent amounts based on surface glossiness differences between image and non-image areas.

Segmented vacuum segments apply variable suction pressures to suppress cockles while minimizing energy consumption and friction.

Sensors detect print defects while the processor sorts output into separate trays, preventing recovery printing delays.

Pivotable pinch arms on a movable retainer transition between engaged and stowed positions, preventing media misalignment in compact imaging devices.

Front cover regulating portions engage upper cover engaging portions to constrain position across three axes, resolving alignment errors from part tolerance.

Dual heaters control moisture content differences to suppress cockling during high-speed drying.

Voltage pulse control compensates for heater rank variations to stabilize ink ejection volume, reducing circuit complexity and cost.

Selective drive waveform pulses minimize power consumption by removing unnecessary maintenance signals from idle nozzles.

Gradient pore sizes and pneumatic extrusion replace thermal drying, boosting printing speed while preventing media curling.

Adjustment mechanism lifts air-liquid interface position within liquid storage unit, preventing foreign substance contamination in supply flow path.

Defined introduction and discharge angles in the printer conveyance path prevent medium deviation caused by varying rigidity, ensuring stable print quality.

A printer controller detects printing head resolution by measuring heating unit electrical resistance.

Segmented liquid absorbing members capture scattered ink during cartridge removal and transfer fluid to a high-capacity reservoir.

A printing device controller discriminates overlap fields between light-shielding and special glossy inks to adjust ink volumes.

A printing apparatus adjusts liquid discharge amounts per nozzle based on overlap location to ensure uniform flushing dot visibility.

A printing apparatus quantizes inks with different surface tensions to generate dot patterns with varying dispersibility levels.

Visible second ink chamber resolves false depletion perception by allowing direct visual inspection of stored ink volume.

Analyzes nozzle firing quality to determine optimum printing speed for inkjet printers.

A processor monitors inkjet head element operation counts to manage printing parameters.