Copy Module Image Path Figure 5-32 Image path (1 of 2) Step 1 : The light source illuminates a horizontal strip of the image called the raster line. Step 2 : Reflected light is gathered and guided by lenses and a series of mirrors and is then captured by a 4864 pixel element Charge Coupled Device (CCD) array. The CCD converts analog voltages into raw digital grayscale information. Step 3 : Raw digital image data is sent from the copy module’s CCD to PM-44s. The PM-44s convert raw digital information into a printer ready bit stream, dithered black and white with layouts such as N-up, duplex, staple, and so forth, and sends it to the printer via the 1394 cable.
Data format is strip buffer raster data. The copy module firmware on the printer adds Printer Job Language (PJL) control commands later. C4265-90907 Copy Module Image Path 249