Ricoh Pro C9200 Manuale di istruzioni per l'uso - Pagina 9
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Laser Exposure
Laser Unit (Exposure)
The laser unit is equipped with the Vertical Cavity Surface Emitting Laser (VCSEL) technology.
40 laser beams are emitted to produce 2400dpi×4800dpi.
Laser beams are reflected on the polygon mirror and lenses to create a latent image on each of the
photoconductive drums by imparting static electricity on the surface of the drum.
1
2
3
4
1. VCSEL
2. Polygon mirror
3. OPC drum
4. Laser beam
Adjusting the start timing and frequency of this latent image creation process in both main and sub scan
directions enables registration, masking and scaling of the image.
Main scan direction ... Across the paper feed direction
Sub scan direction ... Along the paper feed direction
Related Advanced Settings
page 26 "Image Position/Magnification"
page 32 "Erase margin: leading/trailing edge"
Laser Exposure
DZH003
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