A developing cartridge includes a case having a first sidewall and a second sidewall opposite to the first sidewall, and a developing roller disposed between the first sidewall and second sidewall. The developing roller can include a developing roller shaft and a developing roller member configured to carry a developing agent thereon, the developing roller member disposed around the developing roller shaft. Also, the developing cartridge can include an electrode disposed on the first sidewall adjacent to the developing roller shaft, the electrode electrically connected to the developing roller member, and a driven coupling disposed on the second sidewall. The electrode can include, an extending portion extending in a direction away from the first sidewall. An outermost periphery of the driven coupling defines a projection plane projecting in a direction towards the electrode, wherein at least a part of the extending portion is disposed within the projection plane.

Yellow toner with excellent cleanability, transferability and device contamination resistance is provided. When intensity of spectrum at wavenumber , at which total intensity of Raman spectrums of toner particles from 950 cm.sup.1 through 3,250 cm.sup.1 in Raman spectroscopy of toner is maximum, is normalized to 1, and distribution is generated for 300 particles regarding LC calculated by [LC (%)=CH.sub.5 rate (%)CH.sub.c rate (%)] based on CH.sub.c rate (%) defined as [(I.sub.ncI.sub.ave)/I.sub.ave]100 and CH.sub.s rate (%) defined as [(I.sub.nsI.sub.ave)/I.sub.ave]100 where I.sub.n and I.sub.ns represent integrated intensities of spectrums of center and surface portions of each particle from 2,750 cm.sup.1 through 3,250 cm.sup.1, and I.sub.ave represents average of I.sub.nc and I.sub.ns of all particles, percentage by number of particles having LC deviating from LC distribution median by absolute value of 25.0; is 1.0% by number and 25.0% by number.

In an image forming apparatus, when a line connecting a midpoint of a line segment connecting a first supporting portion and a second supporting portion and a rotational center of a first photosensitive drum as viewed from a first axial direction of the first photosensitive drum is referred to as a first straight line, and a line connecting a midpoint of a line segment connecting a third supporting portion and a fourth supporting portion and a rotational center of a second photosensitive drum as viewed from a second axial direction of the second photosensitive drum is referred to as a second straight line, the first straight line as viewed from the first axial direction and the second straight line as viewed from the second axial direction are not parallel to each other.

A developing cartridge includes a case having a first sidewall and a second sidewall opposite to the first sidewall, and a developing roller disposed between the first sidewall and second sidewall. The developing roller can include a developing roller shaft and a developing roller member configured to carry a developing agent thereon, the developing roller member disposed around the developing roller shaft. Also, the developing cartridge can include an electrode disposed on the first sidewall adjacent to the developing roller shaft, the electrode electrically connected to the developing roller member, and a driven coupling disposed on the second sidewall. The electrode can include, an extending portion extending in a direction away from the first sidewall. An outermost periphery of the driven coupling defines a projection plane projecting in a direction towards the electrode, wherein at least a part of the extending portion is disposed within the projection plane.

A processing cartridge includes a photosensitive unit including a photosensitive component; a developing unit including a developing component, where the developing unit can move between a contact position where the developing component contacts the photosensitive component and a separated position where the developing component is separated from the photosensitive component relative to the photosensitive unit; a drum coupling for receiving a rotational driving force and transmitting the rotational driving force to the photosensitive component; a developing coupling for receiving the rotational driving force and transmitting the rotational driving force to the developing component; a force-applying component, where the force-applying component can move between an extended position where the developing component is separated from the photosensitive component and a retracted position where the developing component is in contact with the photosensitive component; and an elastic member for moving the force-applying component from the retracted position to the extended position.

This application discloses an adaptation device, a process cartridge, and a process cartridge set. The adaptation device includes an electrical transmission component and a connection component. The electrical transmission component includes an input terminal and an output terminal. The output terminal is used for supplying power to an imaging component. The connection component includes a first end member and a second end member. The first end member is electrically connected to the second end member, and the second end member is used to output power. This application enables electrical connection among process cartridges through adaptation devices. It reduces the number of conductive contacts on the main body side of the image forming device, the force between the main body side and the process cartridge, the strength requirements on the main body side, and the costs.

The problem to be solved by the present disclosure is to provide a regenerated styrene-based resin composition that reduces environmental impact, suppresses the reduction in mechanical strength and chemical resistance, and exhibits excellent external appearance and an excellent heat creep resistance characteristic, and a molded article using the same. The present disclosure is a regenerated styrene-based resin composition containing a recycled polystyrene-based resin (A) that includes a toluene-insoluble fraction (1) after an osmium tetroxide treatment, and a rubber-modified polystyrene-based resin (B) that includes rubbery polymer particles (b2) forming the domain phase and a polystyrene-based resin (b1) forming the polymer matrix phase, wherein the amount of the toluene-insoluble fraction (1) after the osmium tetroxide treatment is more than 0 to 10 mass % relative to the entire regenerated styrene-based resin composition.