发明授权
US06266076B1 Vacuum imaging drum with vacuum level control 失效
真空成像鼓带真空度控制

Vacuum imaging drum with vacuum level control
摘要:
The present invention is for an image processing apparatus (10) for writing images to a thermal print media (32). The image processing apparatus (10) comprises a vacuum imaging drum (300). A lead screw (252) moves printhead (500) relative to the vacuum imaging drum (300). A motor (258) rotates the vacuum imaging drum (300). A variable vacuum blower (224) supplies vacuum to an interior portion (304) of said vacuum imaging drum (300) which holds the thermal print media (32) on a surface of the drum. A controller (186) changes a speed of the vacuum blower (224) to vary the vacuum in the vacuum imaging drum (300) when the thermal media (32) is loaded or unloaded.
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