| 摘要 |
A compact electrostatographic reproduction machine, including a platen for positioning a document sheet having an original image to be reproduced; and a plurality of separately framed, mutually aligning machine modules variously containing electrostatographic process elements and subassemblies. The plurality of machine modules includes a copy sheet input module (CIM) for holding and supplying copy sheets to a toner image transfer point to receive a toner image thereon; an electronic control and power supply (ECS/PS) module for providing power and logic control to various modules of the reproduction machine; an imager module for creating a latent image of the original image of the document sheet positioned on the platen; a customer replaceable process cartridge (CRU) module containing subassemblies for forming a toner image on a photoreceptive member; and a fuser module for heating and fixing a toner image on a copy sheet onto such sheet. Each such module has a separate module frame for mutually aligning against a separate frame of an adjacent module, and separate frames of such modules include external covers forming parts of an exterior of the reproduction machine such that the plurality of separately framed, mutually aligning machine modules advantageously enable successful vertical, and final assembly thereof to form the reproduction machine without any further adjustments, and without resort to special tools and tests.
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