摘要 |
A refillable cartridge for a copier, laser printer or similar xerographic printing process device, is provided. A method of manufacture of the refillable cartridge is also provided. The cartridge of the invention includes an upper portion with an upper chamber for clean toner and includes a lower portion with a lower chamber for toner waste. The upper portion has a refill hole, opening into the upper chamber. The lower portion has a discharge hole opening into the lower chamber. The refill hole and the discharge hole have respective seal members. The method of manufacture of the cartridge includes the steps of mounting on a support a plastic cartridge having an upper portion with an upper chamber, forming a refill hole in the upper portion by using, for example a hot iron rod for heating the respective adjoining plastic portion until the refill hole is formed; and forming a discharge hole in the lower portion.
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