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There are numerous possible problems for remanufacturers regarding the HP 2600. For each of these potential problems a quick and simple solution is usually available.
The Design of the HP 2600
It is important to note that many issues concerning the remanufacturing of the HP 2600 are not necessarily aftermarket product related or something done incorrectly in the remanufacturing process. It may simply be a design issue with the HP 2600.
When disassembling the HP 2600 you will notice a number of unique features. A small mylar film is mounted on the doctor blade and pointed toward the developer roller, either above or below a black plastic mounting bracket. Occasionally a second mylar blade can be found mounted to the top of the doctor blade stamping. A piece of felt will also be found above the developer roller sealing blade. These are all preventative features that HP has put into place to aid in the charge and movement of the toner.
Prior to conducting any internal qualification testing on color cartridges, it is recommended a new chip be installed. Alternatively, a forced calibration, which is complicated, can be done, but for simplicity it is recommended to use a new chip.
When post-testing cartridges the use of a mule chip is recommended. A mule chip is a chip that can be used numerous times for testing purposes. For more information regarding qualification testing or post testing, please see the contact information at the end of this article.
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This article will be available online on 02/01/2009
