| 摘要 |
A laser printer cartridge comprising including: a housing; a photosensitive drum; a developer cylinder including an inner magnetic member and a coaxial outer sleeve, the internal magnetic member being adjustably mounted on the housing and the outer sleeve being mounted so as to allow rotation about the common axis of the internal magnetic member and the outer sleeve; and means for adjusting the angular position of said internal magnetic member with respect to the housing.
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