Other Printing Apparatus TRIZ Cases

A guide device redirects printed sheets to a buffer zone while a clamping device holds the new leading edge during roll replacement.

Separate conveyance paths with dedicated sensors detect roll paper information during active printing operations.

Reverse roll rotation positions the sheet leading end, allowing an optical sensor to detect peeling accurately despite varying rates.

A control unit adjusts inkjet printer conveyance speed based on accumulated sheet count to balance noise reduction with printing efficiency.

A digital printing press detects and classifies malfunctioning nozzles using imaged test patterns to identify missing or deviated ink ejection.

Segmented ink ejection with preliminary drying prevents feathering during high-density printing.

Low pressure assist forms a convex ink meniscus at apertures, allowing one wiper to clean all printheads without separate actuators or individual purging.

Segmented display logic separates brief overview from precise remainder data, resolving the trade-off between measurement precision and device complexity.

Varying ejection periods aligns droplet paths from multiple openings, resolving image quality degradation caused by directional flight differences.

Segmenting the case into separable members with integrated pedestals stabilizes the ink pack, preventing movement and leakage during accidental drops.

A liquid ejection apparatus adjusts pressurizer driving cycles to purge ink from nozzles based on ambient temperature.

A heated platen pivots to form a drying channel with the printer post print platen.

A media feed calibration target printed with incremental advances enables automatic adjustment of roller rotation through optical detection.

Segmented backplanes and universal interfaces reduce engineering complexity while allowing cost-effective field upgrades for varied user requirements.

A cleaning portion heats a transport belt surface through friction to prevent dew condensation without separate heating elements.

Asymmetric side plate support minimizes frame distortion and positional deviations during medium transport.

A liquid ejecting apparatus uses a driving signal generation unit to fit voltage differences and project pressure chamber liquid through nozzles.

Self-aligning frame datums offset nozzle arrays to resolve positioning precision versus device complexity trade-offs.

A recording apparatus forms detection patches using colored ink and imparting materials to measure relative nozzle positions via reflected light.

A print head priming system uses external fluid pressure to purge obstructions while a controller monitors temperature sensor signals.

A liquid discharging apparatus cap includes an atmosphere communication path to maintain nozzle menisci stability.

An inkjet printer system selects corrective operations based on print metrics to compensate for inoperative inkjets.

A maintenance controller evaluates elapsed time and nozzle usage to trigger ink circulation processing for unused nozzles.

Axial force element presses substrate core against fixed stop to prevent connection faults between sub-images.

Mechanical sensors detect sheet deformation upstream, triggering variable belt speed adjustments that prevent head damage and reduce mist stains.

Multi-colored lighting array alters emission characteristics to emulate target illumination profiles for print media inspection.

Magnetic valve mechanism seals head flow path during attaching member removal.

A printing apparatus uses a movable drying unit to adjust the gap between the dryer and the sheet during operation.

A control unit adjusts discharge frequency based on measured refill ranks to maintain stable ink droplet ejection.

A mounting tray rotates into a housing notch while a cover moves in tandem to seal the opening.

Reverse belt drive and elastic absorbent roller remove ink contamination without interfering with normal image formation.

A learning unit generates a model from device log information to estimate maintenance necessity for automated execution.

Serial merging of activator and drive waveform signals reduces signal wire count, lowering cost and maintenance complexity in inkjet recording systems.

Repositioning ultraviolet light irradiation devices in the depth direction reduces overall printer length, enabling larger ink heads and higher printing speed.

Distinct reference potentials for ejection pulses relax ground potential restrictions, enabling flexible waveform design and lower driving signal amplitudes.

Controller selects drive waveforms per pixel to eject pretreatment liquid or ink independently, enabling test pattern recording without ink contact.

A controller manages liquid ejection onto a convey belt preliminary region to prevent ink collisions and droplet enlargement.

Dynamic feeding rollers retract after each cycle to prevent double-feeding errors and ensure reliable single-sheet separation.

Variable thickness elastic member seals liquid joints during pivotal mounting, reducing installation counterforce while preventing ink leakage.

Storing pre-recorded nozzle condition signals allows the controller to skip post-command testing, reducing startup delay and noise.

Interchangeable cassettes enable switching between mercury arc and LED sources, resolving high capital investment costs for specialized ink applications.

A curing lamp irradiates through a substrate to partially cure radiation curable ink on the opposite side of the printed face.

Dual movable blades in a printer cutter apparatus use urging members to maintain a precise gap, preventing friction and ensuring full cuts without paper flakes.

A laser diode dryer uses variable resistance networks to control drying intensity across coated substrates.

Shorter third foot enables self-adjusting support structure that maintains device stability on uneven surfaces.

An elevated opening in the liquid-receiving tray delays ink flow to prevent leakage, enabling flexible leg placement without structural deformation.

Imaging unit detects graduations on strip-shaped jig attached to winding shaft, adjusting mechanism corrects position variations from manual visual adjustments.

A liquid ejecting apparatus drives a pressure chamber with a resonance pulse to expand and compress ink volume.

Integrated positioning protrusions allow multi-directional tray detachment, eliminating guide rails that restrict setup direction and cause insertion damage.

Actuated platen ribs dynamically compensate for media curling, preventing smearing and improving edge print quality.