| 摘要 |
A dot recording apparatus has a semiconductor light source array having two light sources for emitting light beams for forming dots of different diameters. Both light sources can be driven simultaneously, or only one light source can be driven. A laser driver circuit can be driven according to the on/off operation of a switch. The on/off operation of the switch can be performed manually or in accordance with operation of an automatic control circuit. Narrowing of thin lines in the main scanning direction or in the subscanning direction can be prevented. An image of good resolution can be formed even if the scanning line pitch is increased.
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