| 摘要 |
Methods and devices for measuring conductivity of ink in a printing system are disclosed. An embodiment of the method is used with a printing system comprising a developer roller, wherein the ink is formed on the developer roller using electrostatic forces. The method comprises printing on a substrate using the ink; measuring a first current that charges the developer roller during the printing; and determining the conductivity of the ink, wherein the conductivity is proportional to the square of the first current.
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