Abstract: The invention provides devices and methods for remanufacturing toner printer cartridges and their components by reusing a seal for the toner opening port. The invention also provides devices and methods for remanufacturing a printer cartridge by resealing the toner opening port of the toner hopper. The invention also relates to devices and methods to install and replace seals on a toner hopper, refill toner in a toner hopper, replace a bag of toner in a toner hopper, and replace a chip for a toner cartridge. Also included are devices and methods of sealing a toner cartridge and reattaching a toner cartridge end cap to a waste hopper. A soft shell bottle suitable for use in a toner cartridge composed of a soft polymeric material is also provided.