Patent ID: 7221888

Claim:
A cartridge for a printing device comprising: a first portion and a second portion coupled to one another and capable of moving relative to each other; one or more rollers situated at the first portion; a photoconductor situated at the second portion, the rollers in contact with the photoconductor in a first position of the first and the second portions; and, a lock mechanism to secure the first and the second portions in a second position in which the rollers are separated from the photoconductor, wherein the lock mechanism is adapted to release the first and the second portions from the second position during insertion of the cartridge into the printing device, and to secure the first and the second portions in the second position during removal of the cartridge from the printing device, and wherein one or more of: the lock mechanism comprises a spring-loaded pin attached to the first portion and capable of mating with a corresponding detent of the second portion so that the first and the second portions are maintained in the second position; the cartridge further comprises a spring mechanism to revert the first and the second portions to the first position upon the lock mechanism being released, such that the first position is a position to which the first and the second portions default but for maintenance thereof in the second position by the lock mechanism.