Electrographic Process Apparatus TRIZ Cases

Image forming apparatus calculates discharge current complex number to determine AC charging voltage, reducing surface abrasion and ensuring uniform discharge.

An upward-standing blocking member at an 80° to 130° angle prevents waste toner from entering the housing during device attachment, maintaining image quality.

A voltage supplying unit selects between DC and AC/DC methods for an OPC drum based on sensor data.

Oblique light beam incidence eliminates separate mirrors, resolving complexity and size trade-offs.

A regulating section on the heating element controls lubricant movement within the fixing device.

A fixing device uses a recessed sliding plate region to minimize film friction and wear during electrophotographic image formation.

Modifying surface hardness via a specific charge-transporting material and binder resin prevents stick-slip chattering during cleaning blade contact.

Positioning a brush at a magnetic pole position moves toner before blade restriction, preventing sticking and fogging in image forming systems.

Localized substrate reinforcement manages thermal stress and suppresses temperature rise in non-paper passing areas.

Periodic charging power adjustments enable precise background detection on photosensitive drums, resolving noise interference and reducing toner consumption.

Positioning the toner supply port below the developer surface prevents floating and ensures thorough mixing, resolving specific gravity issues.

Replacing piezoelectric sensors with a capacitive system eliminates drilling holes and reduces power consumption while detecting toner levels.

A detachable lifting member supports the tail side of stacked sheets, allowing separation air to enter curled or stiff paper edges and prevent jamming.

Dynamic screen layout adaptation resolves operability contradictions by adjusting interface elements for specific input methods like touch or mouse.

A decurling belt uses a thermally conductive synthetic resin support member to transfer heat from the recording sheet.

Merged reading mechanisms reduce layout space while maintaining reliable data transmission between toner and drum memories.

Segmented transfer guides with angled front edges reduce impact shock on rigid media, preventing toner scattering and misalignment.

A heat-conductive suppression member fitted in a resin housing through hole maintains dimensional stability during continuous light emitting operations.

A development nip separator mechanism controls contact between a developing roller and photoconductor using elastic members.

Adjusts driving currents for light-emitting chips based on image data bit counts to suppress temperature-induced light amount unevenness.

Motor-driven shutters eliminate manual rotation of inner cylindrical members, reducing user burden and preventing toner leakage during cartridge attachment.

A thermal insulation cover moves with a pressure roller to maintain a fixed interval and preserve heat insulation.

Matching elastic layer thickness reduces image magnification error variations by ensuring equal deformation and flattening of nip portions.

A porous conductive second roller supplies toner to a first transfer roller, resolving starvation caused by inefficient delivery mechanisms.

A fixing unit applies variable energy levels to transparent recording media based on the presence of a light-shielding layer.

A print setting application extends general-purpose printer drivers to accept and notify arbitrary paper size selections.

Adjusting emission durations eliminates sub-scanning differences, reducing correction circuit dynamic range.

A printing control apparatus associates process quantities with stored unit information to manage print job data.

A roller assembly uses a support unit with protrusions and grooves to maintain connection between the roller and bushing.

A projecting portion curves the waste toner conveying spiral toward the photosensitive drum to enhance material transport.

Feedback control adjusts PWM drive signals to stabilize toner bottle rotation, preventing print density variations caused by discharge fluctuations.

Dynamic power supply switching prevents excessive temperature overshoot during high-temperature print instructions.

Segmenting the sealing member into upstream and downstream bonded portions reduces force on the opening, preventing deformation during unsealing.

Separable housing releases pressing force between developing roller and image carrier body to prevent OPC chemical damage and permanent deformation.

Segmented links and guide portions reduce insertion force in paper feed cassettes by minimizing mechanical resistance during automatic drawing.

An air vent portion on the partition wall vents gas between chambers, generating airflow to direct falling toner and prevent scattering during replenishment.

A sheet conveyance apparatus uses a contacting and separating mechanism to abut a second contact member against a rotary member during reverse rotation.

A roller member uses a metallic shaft with exposed straight areas to minimize contact friction.

Intermediary cylindrical member resolves contradiction between measurement precision and positional stability for accurate fixing temperature control.

A protruding portion on an alignment unit arm absorbs external forces, preventing damage to the bearing and alignment portions during operation.

A recording medium feeder uses movable rollers to transport sheets between side-by-side cassettes.

A flexible foam and non-woven sealing member seals gaps between a doctor blade and housing to prevent toner leakage without increasing device complexity.

A control unit manages positional deviation detection in an image forming device by triggering sensing operations only when a cover opens before a print request.

A power control apparatus gradually increases electrical energy to a heating roller using phase control.

Backup members reduce contact pressure on sealing sheets within developing units, preventing toner scraping and leakage during high-speed operation.

Segmented storage chambers with dedicated sensors detect developer volume changes, preventing overflow from uneven distribution.

Inverting air flow direction prevents toner scattering and improper fixing while cooling the intermediary transfer member, eliminating heat-insulating ducts.

Water content control reduces fiber elasticity, enabling a decurling section to flatten thin bond paper that resists standard mechanical forces.

Siloxane-based lubrication with specialized resin sliding members reduces rotational torque and image gloss unevenness in fixing devices.

A display controller calculates icon movement and changes transparency when boundaries are reached.