| 摘要 |
PROBLEM TO BE SOLVED: To perform effective temperature control while suppressing flickers. SOLUTION: Two heaters 76 and 77 are provided to the drier equipment 22, which performs drying processing of a light sensitive recording material, which is finished with development/fixing processing. A control part 45 allots the heater 76 of one side as a base heater that is made always ON state, and allots the heater 77 of another side as a heater for replacement. What has small capacity is used as the base heater 76, and it is maintained at the temperature lower than the minimum value of the setting temperature range. The control part 45 changes the heater 77 to turn OFF, when the temperature of the drier equipment 22 reaches the set temperature range, and when temperature becomes the set temperature range or less, it turns ON the heater 77. Since the load changes accompanying ON/OFF of the heater small compared with the case where ON/OFF of the two heaters are carried out simultaneously, the flicker decreases.
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