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June 10th, 1997
1.5.4. PC Printing
P C
Data
FCU
This machine works as a GDI printer when connected to a PC through the
parallel cable. GDI printer is a printer which has a built-in support for Win-
dows Graphical Device Interface (GDI), a Windows standard for representing
graphical objects to monitors and printers. Since GDI is used by most Win-
dows applications, there is no need to convert the output to another format
such as PostScript or PCL.
When printing from the PC, the the video data is compressed by the printer
driver (Office Styler) and then sent to the D6002 IC through the parallel inter-
face. The DRAM works as an input / output buffer and sends reconstructed
data to the D9001LF where smoothing and toner saving are done. The data
is then sent to the LDDR for printing.
Since the D6002 IC works as an I/O buffer, the page memory is not used for
PC printing.
Data
D6002
D R A M
1-17
OVERALL MACHINE INFORMATION
VIDEO DATA PATH
Data
D9001LF
Printer
Components
H523V511.wmf
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