Other Printing Apparatus TRIZ Cases

Offsetting injection ports from chamber centers reduces the widthwise dimension of the cover and device while maintaining ease of operation.

A printer cutter uses a movable blade that shifts to a third position to align roll paper tips during cutting operations.

A UAV-mounted printhead assembly deposits colorant on vertical surfaces using a slidable guide rail mechanism.

Spit pattern data activates nozzles and enables real-time scanning for failure detection in single-pass ink jet printing.

A first transport roller with a winding angle of 75 degrees or more reduces paper flotation and wind-induced unevenness during inkjet printing.

Air cavities absorb fluidic pressure pulses within the printhead structure, preventing flooding during high-speed pagewidth printing operations.

A printing unit lifting device adjusts support rollers relative to printer heads, preventing component damage during maintenance.

A printing management unit filters received images based on creation time and volume limits to optimize printer usage.

A controller monitors ink levels in a cartridge and sub-tank using a single sensor to determine remaining liquid volume.

A print head chamber retains solvent vapor via a reservoir to prevent nozzle blockage in drop-on-demand ink jet printers.

A duct unit with a pressure difference adjustment mechanism manages airflow in recording devices.

A fluid ejection head uses a static elimination member to contactlessly remove electrical charges from the carriage and nozzle.

A reading device controller detects double-fed sheets and halts conveyance to notify users of the error state.

An ultrasonic sensor detects sheet presence and infers air pressure via output voltage changes.

A contact reducing member separates the waste liquid container from the liquid supply tube in a printing apparatus.

Relocating back pressure control to the container eliminates cartridge foam bodies, increasing storage volume while preventing air bubbles.

Controller calculates ink outflow using water head difference and flow path resistance to track liquid amounts in cartridge and tank.

Reverse fluid flow through the filter detaches accumulated deposits, preventing re-attachment and maintaining continuous ink supply.

Adjacent temperature detection lines cancel electromagnetic noise from power lines, ensuring accurate thermal monitoring during high-speed recording.

Unified job register enables controller to execute maintenance and image processing tasks concurrently, eliminating waiting time during device upkeep.

A tape cassette pressing member bonds printable media and separators, resolving the contradiction between manufacturing complexity and user customization.

Fluid ejection dies integrate strain gauge sensors to detect strain, enabling controllers to adjust servicing pressure and prevent printhead damage.

Dynamic timing adjustment corrects sub-scanning position errors from head fitting variations, ensuring precise image registration.

Detect inoperable inkjets by analyzing image data from printed reference patterns within the job itself.

A recessed detection zone in the heated support plate prevents thermal expansion gaps from causing temperature measurement errors.

A printhead fiber detection system identifies blocked nozzles using an identification engine to trigger targeted removal events.

A printer platen roller uses a peripheral cutout to engage a fixed shaft for automatic alignment.

A controller applies reference voltage to a piezoelectric element during non-discharge periods to maintain electrode potential.

A print apparatus control unit determines media end positions by comparing detected signals against stored convexity coordinates.

A recording device removes paper dust generated during medium cutting using a dedicated removing unit and holding mechanism.

A switching member engages a support component to restrict movement of the second end, preventing accidental closure while allowing intentional release.

Segmented ultraviolet light positioning prevents premature curing of wiper and cap components, extending component life.

A movable pushing component adjusts position relative to the ejection surface to maintain sheet flatness during droplet ejection.

Beveling one corner of the cartridge case creates an asymmetric shape that prevents wrong orientation during installation.

A printing fluid collector employs a perpendicular conveyor belt to intercept leaking ink, preventing aerosol generation and reducing system contamination.

Movable shields adjust halogen heater coverage to prevent uneven heating and element deterioration across varying sheet widths.

A partition creates an airflow path toward a side suction port, preventing mist accumulation on printing media.

Moving the waste liquid reservoir to the rear surface prevents user hand contamination during front panel access.

Dual-cycle printing patterns amplify optical reflectivity changes to resolve noise interference during ink droplet landing position detection.

A printer controller calculates specific correction times for each dot type to adjust heating energy based on environmental conditions.

Staggering ink supply timing prevents simultaneous liquid level fluctuations that cause abrupt nozzle pressure drops and abnormal ink ejection.

A control circuit manages charging and discharging currents through multiple stages to minimize heat generation in inkjet printhead power supplies.

A part detector uses a biasing mechanism to press against a carrier tape, ensuring stable optical detection across varying part sizes and tape thicknesses.

Segmenting the printer driver from a sandboxed extension application resolves the conflict between universal compatibility and proprietary feature access.

A recovery unit measures ink tank demounting time to determine suction parameters for printhead maintenance.

Independent nozzle control reconfigures spatial density without hardware changes, enhancing document security and image quality.

A drying apparatus suction chamber draws heated gas from a medium retainer through an intake hole for reuse in the drying process.