| 摘要 |
A developer supply method of a wet electrographic printer is disclosed. The method having a reservoir for supplying a developer obtained by mixing a liquid carrier with an ink to a developing unit, a carrier cartridge for supplying the liquid carrier to the reservoir, an ink cartridge for supplying the ink to the reservoir, and a process tank for receiving the developer from the reservoir, includes the steps of supplying the liquid carrier and the ink to the reservoir to have an optimum concentration and a maximum level, determining whether the concentration of the developer in the reservoir is less than a minimum concentration, or the level of the developer is less than a minimum level, draining all of the developer in the reservoir to the process tank such that the level of the developer is the minimum level, if the concentration of the developer was less than the minimum concentration or the level was less than the minimum level in the determining step, supplying a predetermined amount of the developer in the process tank to the reservoir in order to measure the concentration of the developer in the process tank using a concentration sensor installed in the reservoir, and supplying the liquid carrier or the ink or the developer in the process tank to the reservoir such that the developer in the reservoir has the optimum concentration and the maximum level.
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