| 摘要 |
<p>In a configuration which does not have a primary transfer dedicated power supply and which generates a prescribed voltage in an intermediate transfer body, it can occur that in a test mode in which a test voltage is applied to a secondary transfer member preliminarily in order to obtain a suitable secondary transfer voltage, the suitable secondary transfer voltage cannot be obtained if the test voltage is low. During the test mode period, a suitable secondary transfer voltage can be obtained by controlling the power supply so as to maintain the Zener breakdown voltage.</p> |
