| 摘要 |
<p>An automatic developability control for a twocomponent development mixture having toner and conductive carrier. Additional toner may be supplied to the developer mixture when the ratio of toner to carrier has been depleted beyond a predetermined optimum. The developer with its conductive carrier is movable through a space where an electrical potential exists. Shorting is encountered when the toner concentration is so low that toned carrier beads will permit flows of current across the space, creating electrical shorts. Utilizing this effect, a toner dispenser may be triggered in accordance with the number of shorts per unit time.</p> |
