Abstract: A printer cartridge fastener comprising a curved portion adapted to grasp a printer cartridge overhang; a main body connected to the curved portion, the main body comprising a first side connected to the curved section; and a second side positioned opposite the first side; and an elongate portion connected to the second side of the main body, the elongate portion configured to abut to a printer cartridge portion positioned substantially perpendicular to the overhang.

Abstract: A method of sealing a toner opening port of a printer cartridge, the method comprising inserting a seal through a toner exit port, the toner exit port leading to the toner opening port, the toner exit port being configured to be covered by a toner exit port plug, the seal comprising a seal frame and a first pull tab attached to the seal frame with a first adhesive, the seal further comprising a second pull tab attached to the seal frame with a second adhesive, the second adhesive being a different type of adhesive from the first adhesive; allowing the first pull tab to cover the toner opening port; detaching the second pull tab from the seal frame; and applying pressure to the seal frame thereby allowing the second adhesive to attach the seal frame to the printer cartridge, wherein the first pull tab is configured to be detached from the seal frame without substantially adhering to the toner exit port plug.

Abstract: A device for supporting printer cartridge re-manufacturing work, the device comprising at least one printer cartridge mount, the mount comprising an abutting portion configured to abut to a portion of a printer cartridge cylinder positioned on the mount, the device further comprising a drill hole template connected to the printer cartridge mount, the drill hole template defining a drill hole configured to accommodate a cutting device and to create a printer cartridge cutting pattern for the cutting device.

Abstract: A method for evaluating print quality comprising providing a first paper; providing a second paper; providing a reference print sample; providing a test print sample; obtaining pre-rub densities of the first paper and the second paper or the reference print sample and the test print sample; providing a mechanical rub tester; rubbing the reference print sample with a first paper using the mechanical rub tester; obtaining post-rub density of the rubbed first paper or the rubbed reference print sample; rubbing the test print sample with a second paper using the mechanical rub tester; obtaining post-rub density of the rubbed second paper or the rubbed test print sample; and comparing the pre-rub and post-rub densities of the first and second papers or the rubbed reference print sample and the rubbed test print sample.

Abstract: A method of modifying a printer cartridge, the printer cartridge being configured to be used with a first printer, the cartridge comprising a first toner hopper, a waste hopper connected to the first toner hopper, an end cap connected to the toner hopper, and a guide key connected to the end cap, the cartridge further comprising a bushing configured to surround a drum axle, the method comprising: modifying the guide key; modifying the bushing; providing a second printer; and using the printer cartridge with the second printer. A method of modifying a printer cartridge, the printer cartridge being configured to be used with a first printer, the cartridge comprising a first toner hopper and a waste hopper connected to the toner hopper, the method comprising: providing a second toner hopper, the second toner hopper being distinct from the first toner hopper; replacing the first toner hopper with the second toner hopper; providing a second printer; and using the cartridge with the second printer.

Abstract: A method of remanufacturing a seal spooling mechanism of a printer cartridge, the printer cartridge defining a seal passage, the seal passage providing access to a toner port of the cartridge to be covered by a toner seal, the seal spooling mechanism comprising a spool where a first toner seal may be wound, the seal spooling mechanism further comprising a spool frame where the spool may be mounted, the method comprising detaching the spool frame from the printer cartridge; inserting a second toner seal through the seal passage; sealing the toner port with the second toner seal, the second toner seal comprising a toner seal extension configured to extend out of the seal passage upon sealing the toner port; winding the toner seal extension around the spool; providing a replacement spool frame, the replacement spool frame being configured to be attached to the printer cartridge at a location that is different from the location where the spool frame was previously attached on the printer cartridge; and attaching

Abstract: A tool for rotating a drum from a first cartridge drum axle end, the first cartridge drum axle end having a predetermined shape, the tool comprising a tool body configured to provide structure to the tool; a first end defined by the tool body; a second end defined by the tool body, the second end positioned on an end on the tool body opposite to the first end; and a first impression made on the first end of the tool body, the first impression substantially matching the predetermined shape of the first cartridge drum axle end, wherein when the first cartridge drum axle end is inserted within the first impression, the tool allows the drum to be rotated.

Abstract: A device for manufacturing a printer cartridge, the printer cartridge having a doctor blade and a developer roller, the doctor blade being configured to regulate the amount of toner delivered to the developer roller, the device comprising: (a) first surface, the first surface lying on a first plane; and (b) a second surface positioned opposite the first surface, the second surface lying on a second plane, the first and the second plane being parallel to each other, the second surface comprising a flat portion, the flat portion being configured to contact a portion of the doctor blade, wherein when the flat portion contacts the doctor blade portion, the device applies pressure to the doctor blade portion.

Abstract: A device for driving a pin that fastens a printer cartridge drum to a printer cartridge at least on one end of the printer cartridge drum, the device comprising a device body defining a device body recess and a shaft configured to be inserted in the device body recess and to be moved within the device body recess, wherein the movement of the shaft within the device body recess is configured to drive the pin and alter the attachment of the printer cartridge to the printer cartridge at the at least one end of the printer cartridge drum.

Abstract: A method of removing a drum from a printer toner cartridge, the drum comprising a cylindrical body, the drum further comprising a pair of drum gears attached to each end of the drum, each drum gear being configured to attach the drum to the printer, at least one drum gear comprising a cylindrical body, the cylindrical body defining a hollow drum gear interior, at least one drum gear further comprising a drum gear wall that is positioned perpendicular to the cylindrical body and configured to cover the hollow drum gear interior, the method comprising creating a hole through the drum gear wall and inserting a cutting device through the hollow drum gear interior.

Abstract: A device for detaching a drum from a cartridge, the device comprising a means for supporting the printer cartridge; a means for preventing printer cartridge movement while the drum is being detached from the printer cartridge; and a cutting device comprising at least one adjustable cutting edge, wherein the adjustable cutting edge may be adjusted from an unexposed position to an exposed position and vice versa. A method of removing a drum from a printer cartridge, the drum being attached to the printer cartridge by at least one drum gear assembly, the drum gear assembly comprising a cylinder with a hollow interior, the method comprising supporting the printer cartridge on a fixture; substantially securing the printer cartridge; and cutting the drum gear assembly from the hollow interior.