Other Printing Apparatus TRIZ Cases

A control unit adjusts driving voltage and duty cycle for each piezoelectric inkjet nozzle to ensure identical ink drop output.

Segmenting the roller support into base, intermediary, and support members allows bearing replacement without moving the transport roller or losing alignment.

A processor calculates mark positions on recording media using detected conveyance values from a dedicated detector.

A media lifting strip raises lateral edges of thin paper on a transport belt to prevent unintended entry into the print zone and mechanical damage.

A printing apparatus executes color conversion and halftone processing in parallel using separate memory buses.

Controller monitors ink flow from replaced cartridges and cancels empty alerts when outflow exceeds a set limit, preventing air entry into the sub tank.

Segmented suction cup zones concentrate vacuum pressure where needed, reducing leakage and energy consumption while maintaining flat contact.

A printing apparatus updates estimated ink amount information using a memory unit for flexible usage management.

A controller nips recording medium with a downstream roller pair to cut the leading edge straight after jam handling.

Ribs on the support section back surface mount heat generators, resolving suction hole interference to dry ink efficiently.

Gear-driven sandwiching parts advance guide members in a roll storage part, reducing flexure and tilting during manual operation.

Angled liquid and air channels enable front cartridge attachment, resolving vertical mounting constraints.

A recording apparatus limits second casing pivoting via a limitation portion when a tank is partially mounted.

A recording head system corrects ejection failures and density variations using segmented test chart analysis.

Dynamic positioning of the roller unit via a support portion improves medium installation workability.

An adhesive carrier web supports flexible print media during transport, reducing mechanical deformation and improving print accuracy.

Lateral ultraviolet light irradiation allows ink droplets to level on the print medium, preventing raised beading shapes caused by immediate curing.

A droplet ejection device adjusts treating agent application based on remaining amounts to maintain image quality.

A controller adjusts driven roller load to maintain paper conveyance during inkjet recording.

Integrated lock member secures the winding core to the bearing portion, eliminating complex spring mechanisms and improving operability.

Inclined partition walls guide air bubbles away from the supply port while gravity drains ink, reducing contamination and improving image quality.

Positioning a liquid container holder above the housing bottom utilizes vertical space to accommodate large ink packs while maintaining lateral weight balance.

Inspection data corrects voltage and pulse width for each nozzle, resolving placement deviations caused by manufacturing variations.

Dynamic pre-curing light energy adjustment prevents dot blurring during clear ink coating, maintaining image precision and surface glazing.

A rotating member with a restricting portion prevents battery dislodgment during impacts in printing apparatuses.

A control device calculates accumulated drive time for each piezoelectric element unit to adjust applied voltage levels.

Print chart regions with spread spectrum patterns using separate nozzle sets to calculate sub-micron displacement accuracy despite dot shape variations.

Rack and gear mechanism converts linear drawer motion into controlled roll rotation to manage medium tension during transport.

Controlled heating prevents sudden thermal changes that cause uneven expansion, wrinkles, or misalignment during the winding process.

Encoder logic monitors roller rotation to regulate substrate movement, preventing jams and damage from incorrect threading in large format printers.

A liquid discharge apparatus uses a controller to open a valve unit based on discharged ink volume, equalizing tank pressure with the atmosphere.

A recording device uses a segmented transport belt charging unit to hold the medium flat during high-speed printing operations.

Print head liquid passages incorporate resistance portions to balance flow and prevent backflow caused by uneven filter resistance.

Circulating fresh ink through the pressure chamber prevents thickening and maintains concentration during heated transfer operations.

A porous receiving member seals a pressure chamber via surface tension, eliminating complex valve structures and preventing air bubbles during ink supply.

A line-type inkjet recorder head control system dynamically adjusts idle discharge frequencies based on nozzle states to prevent ink ejection failure.

A correction value deriving image calculates ink-jet head alignment ratios for precise cutting position adjustment.

Boundary recesses in the platen structure interrupt capillary pathways, preventing ink contamination of the upstream support portion.

A drying apparatus pre-dries a recording medium before high-temperature heating.

Alternating block selection between nozzle arrays prevents ink imbalances that cause discharge errors.

A drying device uses segmented contact heater units with varying diameters to maintain consistent sheet contact during thermal processing.

An air blowing section adjusts pneumatic pressure against a drive roller to eliminate roller marks and static electricity during media transport.

Sequential actuator driving cancels pressure vibrations across channels, preventing crosstalk interference and ensuring stable ink ejection.

A droplet ejection device adjusts ink spread per unit area using a latch circuit and drive waveform applying unit.

Reversing the medium supplier loosens print media, reducing skew and paper jams without adding tension bars.

A pivotable cover exposes the ink injection port without requiring rearward clearance.

A controller adjusts ink discharge amounts and positions to overlap dot recording ranges on a conveyer.

A feed tray path member guides unrolled roll paper to the feed roller using a partitioned introduction path.

Information processing apparatus identifies inspection positions using object IDs or coordinates to enable flexible quality inspection of printed matter.