| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain an image printing device capable of suppressing the output voltage of a power circuit for generating voltage for forming an image from being fluctuated and eliminating the need of adjusting the output voltage of the power circuit. <P>SOLUTION: The power circuit 9 of the image printing device is equipped with a transformer 11 for increasing voltage, and a current supply circuit part 13 supplying a current to the transformer 11 by voltage for boosting Vi. The current supply circuit part 13 has a current control circuit part 21 controlling the current to be supplied to the transformer 11. The power circuit 9 is equipped with a feedback circuit part 16 feeding back output voltage Vo of the transformer 11 as voltage for control Vc to be input in the current control circuit part 21 through a resistance for feedback R20, and a voltage-for-control adjusting circuit part 17 adjusting the voltage for control Vc fed back by the feedback circuit part 16 by a resistance for adjusting voltage R22. A resistance having tolerance ±1% is used as the resistance for feedback R20. <P>COPYRIGHT: (C)2008,JPO&INPIT |
