| 摘要 |
An image printing apparatus and method thereof. The apparatus includes a photosensitive medium, and a transfer roller to transfer an image developed on the photosensitive medium with a developer to a fed paper, a printing engine state diagnosing portion to detect an effective resistance between the photosensitive medium and the transfer roller, a controller to determine a transfer voltage to be supplied to the transfer roller to print according to the effective resistance value in a printing engine driving condition determining mode, and determine a driving voltage for a printing mode with respect to a light source of the apparatus based on the determined transfer voltage, and a light source drive unit to drive the light source according to the driving voltage for the printing mode under the control of the controller.
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