
Service Manual
6-4
7F3318 2005 July Rev. B
6-2-1-3.
Image Processing in Main Memory
Because the IMAGER scans the “long” way on the page, the acquired image has to be rotated to
accommodate it to the 14 by 17 inch page (see Figure 6-3). The image is also “scaled” to convert 8-bit
pixels to 13 bits (12 bits data plus 1 bit parity). These processes occur in MAIN MEMORY. After this initial
processing the image is transferred to the temporary storage area on the HARD DISK.
When a print request is received, the image data is retrieved from DISK and placed in buffers in MAIN
MEMORY. There the image is processed on the fly to customize it per user requests (contrast and
density) and film characteristics measured in calibration. The page format is set up and images are sized
(interpolated) as requested by the user. Then the image data is rasterized and sent out, scan line by scan
line, to the PCIO BOARD, which sends it to the MCS for printing.
Figure 6-3. Image Rotation
6-2-2.
PCIO BOARD
The PCIO BOARD plugs into the PCI Bus of the MOTHERBOARD. Thus it is “on-line” with the CPU,
DIMM MEMORY and HARD DISK of the COMPUTER. The image cable from the DRE to the MCS plugs
into the output side of the BOARD. The PCIO BOARD provides the following interfaces for image data
and serial communications (see Figure 6-4):
•
A 12-bit (plus parity) digital output circuit for handling pixel data to be sent to the MCS.
•
A UART channel for serial communication with the MCS.
Summary of Contents for DryView 8150
Page 1: ...SERVICE MANUAL Kodak DryView 8150 LASER IMAGER 1961259 7F3318 07 05 ...
Page 20: ...Service Manual 1 6 7F3318 2005 July Rev B BLANK PAGE ...
Page 34: ...Service Manual 2 14 7F3318 2005 July Rev B 6 Remove the 2 SCREWS and 2 TAGS 6 ...
Page 50: ...Service Manual 2 30 7F3318 2005 July Rev B 6 Check each parameter ...
Page 91: ...Section 2 Installation 2 71 2005 July Rev B 7F3318 BLANK PAGE ...
Page 105: ...Service Manual 3 14 7F3318 2005 July Rev B BLANK PAGE ...
Page 182: ...Section 4 Disassembly Reassembly 4 77 2005 July Rev B 7F3318 BLANK PAGE ...
Page 196: ...Service Manual 5 14 7F3318 2005 July Rev B Figure 5 9 Cleaning the HEAT SHIELD and ROLLERS ...
Page 200: ...Service Manual 5 18 7F3318 2005 July Rev B Figure 5 11 Adjusting the DIVERTER ...
Page 236: ...Service Manual 6 34 7F3318 2005 July Rev B Figure 6 17 Pickup Operation Sheet 1 of 3 ...
Page 238: ...Service Manual 6 36 7F3318 2005 July Rev B Figure 6 17 Pickup Operation Sheet 3 of 3 ...
Page 240: ...Service Manual 6 38 7F3318 2005 July Rev B Figure 6 18 Load Platen Operation Sheet 2 of 2 ...
Page 241: ...Section 6 Theory of Operation 6 39 2005 July Rev B 7F3318 Figure 6 19 Expose Operation ...
Page 242: ...Service Manual 6 40 7F3318 2005 July Rev B Figure 6 20 Unload Platen Operation ...
Page 244: ...Service Manual 6 42 7F3318 2005 July Rev B Figure 6 21 Processor Operation Sheet 2 of 2 ...
Page 246: ...Service Manual 6 44 7F3318 2005 July Rev B Figure 6 22 Front Door Open Operation Sheet 2 of 2 ...
Page 252: ...Service Manual 6 50 7F3318 2005 July Rev B Figure 6 27 Sequence of AIQC and GSM Functions ...
Page 444: ...Service Manual 8 102 7F3318 2005 July Rev B BLANK PAGE ...
Page 466: ...Service Manual 9 22 7F3318 2005 July Rev B BLANK PAGE ...
Page 468: ...Service Manual 10 2 7F3318 2005 July Rev B BLANK PAGE ...
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