| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a preheating plate which eliminates the disadvantages of a conventional technology and can obtain stable printing quality, and to provide a fixing device and a printing device provided with the same. <P>SOLUTION: In a preheating plate 3 which preliminarily heats a toner image 2 from the rear face side of a medium 1 to be recorded by arranging a heat source 4 therein, and allowing the medium 1 to be recorded carrying the toner image 2 thereon to pass along the surface thereof, the preheating plate has a plurality of heating regions I to IV which are divided in a traveling direction X of the medium 1 to be recorded and a width direction Y of the medium to be recorded, has a heat source 4 for each of the heating regions I to IV and a plurality of temperature sensors 12a to 12j arranged with a predetermined space in the width direction Y of the medium to be recorded embedded therein, and is provided with control means 11 for controlling heating of the heat source 4, based on the detection output of one temperature sensor 12 selected from the plurality of the temperature sensors 12a to 12j provided in each of the heating regions I to IV. <P>COPYRIGHT: (C)2013,JPO&INPIT |
