Abstract: There is provided a doctor blade assembly and method for alignment in a toner hopper of a toner printer cartridge. The doctor blade assembly has a holder portion. The holder portion has a first mounting end and a second mounting end. The holder portion further has a pair of recessed openings formed in the first mounting end and the second mounting end, respectively. The holder portion further has a pair of alignment elements each having an alignment through hole and each configured to fit in and correspond to each respective recessed opening. The doctor blade assembly further has a blade portion attached to the holder portion. The doctor blade assembly further has a pair of fastener members each configured for insertion through the alignment through hole and through the recessed opening.

Abstract: There is provided a device and method for remanufacturing a printer cartridge. The printer cartridge has an organic photoconductor (OPC) drum having a drum axle and a hub assembly attached to the drum axle, and the hub assembly is in a locked position in the printer cartridge. The device has a first portion having an end configured to engage the hub assembly and unlock and lock the hub assembly. The device further has a second portion connected to the first portion, the second portion having an end configured to extract the hub assembly from the printer cartridge when the hub assembly is in an unlocked position.