Patent ID: 9707792
Date: 2017-07-18
CPC Classifications: B41M,H01S

Claim:
1. A cooling device to cool a laser light source of a laser device to irradiate a medium with a laser beam, the cooling device comprising: a cooling controller to control a cooling operation of the cooling device according to data associated with a heating state of the laser device obtained without employment of a sensor; and a fan, operatively connected to the cooling controller, to cool the laser light source, wherein the laser device is an image forming apparatus having at least two operating modes of the cooling controller each of the at least two operating modes includes at least two productivity ranges, each of the at least two productivity ranges includes at least two ambient temperature ranges, and the rotation speed of the fan for one of the at least two ambient temperature ranges of one of the at least two productivity ranges is controlled to be the same as for one of the at least two ambient temperature ranges of the other of the at least two productivity ranges.