Other Printing Apparatus TRIZ Cases

Segmented vacuum plenums reduce crossflows by lowering suction in inter-media zones, preventing image blurring from induced air currents.

A printing apparatus reduces ink ejection inside image borders to suppress thick heap formation on photo-curing ink surfaces.

A recording apparatus adjusts sheet transportation amounts based on detected installation orientation to maintain consistent printing quality.

A liquid ejecting apparatus adjusts the cleaning fluid surface position to optimize maintenance operations.

Applying voltage after belt movement initiation reduces motor load and prevents slippage during ink-jet recording.

A liquid discharge apparatus employs a first heater to pre-dry water-based ink, preventing mesh pattern artifacts and uneven drying during conveyance.

Printer divides light irradiation into low and high illuminance stages to cure liquid while suppressing bleeding on the printing medium.

A heat exchanger unit equalizes ink temperatures by exchanging thermal energy between color passages.

A closing member moves with a heater unit to separate the heating space from the internal casing.

A movable sensor detects indicators on media passing over a roller with contrasting color sections, eliminating separate sensors to reduce device complexity.

Elastic hinge element pivots roller arm to reduce oscillations, eliminating bearings and simplifying construction for reliable high-speed printing.

Positioning Helmholtz silencers on non-shielded sides of the noise source improves silencing efficiency while reducing component count and cost.

Vertical ejection via the top surface eliminates horizontal carrying trays, reducing the device footprint while maintaining smooth media handling.

Detection units measure manual transport direction and amount so the control unit adjusts the transport unit to restore preset image intervals.

Segmented vacuum plenum with moveable plate blocks airflow at inter-document zone, reducing ink drop deflection and improving placement accuracy.

A sheet supply apparatus reads roll sheet barcodes during idle periods to establish type data before printing begins.

A color conversion information generation device creates intermediate points on a line segment connecting two colors in a first color space.

Short electrical firing pulses minimize resistor fouling by polymer dispersions, maintaining lower temperatures and extending printhead life.

Replacing polymer particles with inorganic pigments eliminates microplastic contamination while maintaining legibility under high temperatures.

Imperceptible purge image data combines with selected print images to maintain consistent drop ejection from ink jet printheads.

High-frequency voltage generates alternating current electric field to dry liquid on medium, preventing bleed-through and maintaining printing quality.

A recording apparatus adjusts conveyor speed to maintain stack alignment of successive media.

A printing apparatus selects print media and prints check patterns using a portion of the printable region corresponding to the medium size.

A stepping motor drives a half cutter for tape cutting operations.

Reference marks across the recording medium width enable scanner units to detect faulty nozzle positions without edge recording, supporting borderless printing.

Carriage control detects missing cartridges to switch monochrome modes, preventing imbalance and pressure damage during mixed-cartridge printing.

Precalculating corrective halftone images adjusts neighboring nozzle ink application to cover failed nozzles.

A liquid storage container uses a guide portion to direct injected ink toward a holding unit.

Adaptive compensation mitigates inkjet nozzle failures by spreading quantization errors for low pixel values and replacing dots for high values.

Position-specific correction values adjust roller rotation, resolving density unevenness from mechanical eccentricity.

Dynamic control of infrared laser light timing, position, and energy resolves optical density inconsistencies across varying sheet types and printing speeds.

A color tone monitoring unit detects differences between read image data and ideal values to perform automatic correction.

A liquid cartridge uses a movable detector to estimate ink viscosity through resistive movement time.

Segmented cover with matching engagement portions merges with the waste ink container to reduce replacement time while maintaining secure attachment.

Adjusting carriage acceleration based on print data to stabilize internal pressure within the recording head.

A liquid ejecting apparatus uses a dual irradiation system to regulate image surface conditions and ensure complete dot curing.

A filter unit integrates a storage medium to track usage data and mounting date for precise maintenance scheduling.

Individually adjustable distributed rollers handle variable width and thickness media without complex hardware.

Positioning ultraviolet irradiators asymmetrically compensates for staggered nozzle distances, eliminating gloss irregularity without clear ink layers.

Integrating a cooling duct with a fan into the housing manages ink temperature without adding complex dedicated mechanisms.

Printer cooling control segments temperature thresholds to resume printing without gaps, preventing print quality degradation during forcible cooling cycles.

A printing control system updates display settings based on transmitted attribute values to clarify user input operations.

Controller estimates non-energized time length using stored energized data, preventing unnecessary ink discharge after power restoration.

A printing apparatus uses a segmented cover system to shield the roll body and supply port from contaminants.

Movable intermediate sections in the conveying plate accommodate thermal expansion, preventing air leaks and maintaining suction force stability.

A moving film transports flooded ink and particulates away from an inkjet printhead face without physical contact.

A liquid absorbing member with specific curvature radii contacts an ink image to remove excess liquid components from the recording medium.

Predictive position following resynchronizes firing pulses with media transport, eliminating defects from vibration-induced desynchronization.

Buffer tanks decouple pump operation from the supply unit, stabilizing pressure during deaeration and eliminating nozzle clogging caused by bubble formation.