Toner cartridge with locating on photoconductor shaft

Details Toner cartridge with locating on photoconductor shaft Toner cartridge with locating on photoconductor shaft

G - Physics

03

G

G03G 15/08 (2006.01) G03G 21/18 (2006.01)

Patent

CA 2225310

A toner cartridge (1) contains a photoconductive drum (43) having a central shaft (47). The shaft extends outward from the sides of the cartridge so that it can be lowered on a V-shaped locator (301) in the printer. An assembly of a hopper (61), toner adder roller (45) and developer roller (43) is attached to an assembly carrying the photoconductive drum through springs (132a, 132b). The hopper assembly has center locating surfaces (29a, 29b) to receive a downward pressing member from the printer and flat ledges (161a, 133a) to contact rollers in the printer, which permits adjustment of the contact between the drum and the developer roller while positively locating the drum. The cover assembly also has flat locating surfaces (449, 451) near the hopper to rest on the printer frame.

Cartouche de toner (1) contenant un tambour photoconducteur (43) ayant un arbre central (47). L'arbre central se prolonge vers l'extérieur à partir des côtés de la cartouche, de sorte qu'il puisse être abaissé sur un détrompeur en forme de V (301) dans l'imprimante. Un ensemble comprenant une trémie (61), un rouleau additionneur de toner (45) et un rouleau de révélateur (43) est attaché à un ensemble amenant le tambour photoconducteur à travers les ressorts (132a, 132b). L'ensemble trémie comporte des surfaces centrales de détrompage (29a, 29b) pour recevoir un élément exerçant une pression vers le bas de l'imprimante, et des bords plats (161a, 133a) afin de contacter les rouleaux de l'imprimante, ce qui permet l'ajustement du contact entre le tambour et le rouleau de révélateur tout en positionnant le tambour de manière assurée. L'ensemble couvercle comporte également des surfaces de détrompage plates (449, 451) près de la trémie, pour qu'elle repose sur le châssis de l'imprimante.

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