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Overview
1
Fax Driver 1-3
1.1.2 Flow of the PC-FAX operation
Conventionally, faxes are sent by loading an original into a fax machine and
sending it.
With the fax driver, you can send a fax directly from your computer without
using any paper (PC-FAX transmission).
Transmission commands sent from the application are received by the fax
driver.
Data is transferred to this machine through the USB interface (when using a
USB connection), through the Ethernet (TCP/IP or IPX/SPX) (when using a
network connection), or through the parallel interface (IEEE 1284) (when us-
ing a parallel connection), and then the data is transferred from this machine
to the printer controller. Image rasterization (bitmap data created from output
text and images) is performed by the printer controller. This data is stored in
the memory of this machine and transmitted like a conventional fax job.
2
Note
To connect the parallel interface, the optional local interface kit is re-
quired.
Used with a parallel
connection
Application
Printer driver
Parallel interface
(IEEE 1284)
Application
Printer driver
USB
Used with a network
connection
Application
Printer driver
Ethernet (TCP/IP or
IPX/SPX)
Machine
Fax
Printer controller
PS/PCL processing (rasterizing)
Computer
Used with a USB
connection