Appeal No. 2001-1336
Application No. 08/736,042
a manual paper feed sensor positioned along said first
avenue to automatically sense a passage of a sheet of
recording media fed from said manual paper feed tray and
produce a first signal when the sheet of recording medium is
fed into said path from said manual paper feed tray;
an engine controller generating one of a first control
signal and a second control signal in dependence upon
reception of said first signal sent from said manual paper
feed sensor;
a transfer voltage generator generating a first
transfer voltage when said first control signal is received
from said engine controller and generating a second transfer
voltage different from said first transfer voltage when said
second control signal is received from said controller;
a transfer unit receiving one of said first and second
transfer voltages applied from said transfer voltage
generator to transfer an image representing information,
formed by toner on said photosensitive drum to said sheet of
recording medium;
an operating panel;
a video controller comprising a computer interface a
video control unit, said computer interface being connected
between a host computer and said video control unit, said
computer interface providing an interface for an input and
an output signal between said host computer and said video
controller, said video controller comprising a memory
storing data input from said operating panel and from said
host computer and changing code data received from said
computer interface into image data; and
a print control unit comprising a video interface, said
engine controller, an input/output interface, a sensor
circuit, and said transfer voltage generator, said video
interface providing an interface transmitting and receiving
signals between said video controller and said engine
controller, said engine controller controlling each unit of
the print control unit and initiating printing of image data
received from the video controller on said recording media,
said input/output interface being connected between said
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Last modified: November 3, 2007