Electrography/Magnetography TRIZ Cases

A developing cartridge uses an abutting part on its covering member to align with the main body.

A flexible ventilation duct guides airflow through a recessed image forming unit, removing ozone and discharge products while reducing device height.

Controlling the surface contact angle between 81° and 87° inhibits moisture adsorption and prevents fine black spots in high-humidity environments.

A photoreceptor outermost surface layer embeds zinc stearate in pores to enhance scratch resistance.

A polycarbonate copolymer binder resin prevents surface contamination from human body-derived substances while maintaining solvent solubility.

A drum unit shutter mechanism controls waste toner flow during container detachment.

A gallium phthalocyanine photosensitive member uses organic compounds to enhance charge generation efficiency.

Graft type polysiloxane compounds in the surface protective layer eliminate coating film unevenness and streak-like image defects.

A perpendicular airflow divider splits blower output to cool multiple targets while preventing direct heat transfer between components.

Optimized optical response time between 0.05 and 0.85 milliseconds prevents exposure memory ghosting while maintaining potential stability.

Independent depressed portions on the photosensitive member surface intercept scratches, maintaining image quality over time.

Welded support members maintain precise frame dimensions, preventing deformation during laser welding assembly.

An air aspirator generates dual airflow streams to manage toner movement within the developing area of an image forming apparatus.

A movable connector compensates for positional variations between a cartridge and main body, ensuring stable electrical connection despite strong impact forces.

A notification unit sends a dummy signal to extend the server timeout window during voice instruction processing.

A photoreceptor protective layer uses surface-treated metal oxide particles to anchor fluororesin within a binder resin matrix.

A pivotable locking member and pressing member stabilize developing cartridge attachment to a photosensitive drum.

A movable developing unit adjusts position between proximity and separation states.

A duct moving unit adjusts a first duct member position relative to a process casing inlet within an image forming device.

A rotatable cover inside a main door provides access to detachable units while the spring assists opening.

A photosensitive member uses gallium phthalocyanine crystals with organic compounds to generate charge carriers.

Segmented cover design allows direct access to internal circuitry without removing the main housing, preventing accidental tool damage.

An elliptical trajectory transport member reduces upper space requirements while maintaining high developer recovery efficiency in photoconductor cleaners.

A segmented cleaning blade maintains contact pressure through a layered structure.

An electrophotographic photoreceptor undercoating layer maintains stable electrical conductivity through controlled inorganic particle distribution.

A photoreceptor outermost surface layer combines reactive compounds and non-reactive charge transporting materials to form a polymerized product.