| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem in which: in a configuration in which a predetermined voltage is generated in an intermediate transfer body without providing a power source dedicated to primary transfer, in a test mode for applying a test voltage to a secondary transfer member in advance in order to obtain a proper secondary transfer voltage, a proper secondary transfer voltage may not be obtained when the test voltage is low.SOLUTION: During a test mode period, a power source is controlled to maintain a Zener breakdown voltage. |
