| 摘要 |
An ink cartridge for an ink jet printer comprises an ink supply container in the form of an ink bag and a waste ink recovery returner for recovering waste ink, which are both housed within the same cartridge chamber and wherein the waste ink recovery retainer comprises a waste ink bag including a polymeric absorber therein. The polymeric absorber of this invention has great absorption capabilities with a volume requirement of about one-half to one-tenth of that compared to porous absorption members utilized in the prior art and are still capable of absorbing the entire volume of ink within the ink bag. This permits a large reduction in cartridge volume and permits sharing of same cartridge chamber volume by both bags due to the continual exchange of ink from one bag to another. As a result, it becomes possible to further reduce the size of the entire ink jet printer and its printing mechanism.
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