c) Color copy
(1 )Using the LED as a light SOUI'CE, lhe image is srnnn~d by the contact sensor, and RGB
analoguc image data is sent to the SCNT hoard.
l2)The System controller IC (Intelnnl UIlQ unit) converts analogue image data from the
(3)Thc system controller IC converts the RGB digital image data from serial data to
(4) Th? color image processing IC converts the RGB data on the DRAM into CMYK print
(6)Thc system controller IC converts the CMYK printer data to BJ printer head control
Simultaneously, the printer RIPIJ srndv motor control signals to the carriage motor and
Chapter 2: Technical Reference
contact sensor to RGB digital image data.
parallel data, and writes them to the DRAM.
data, then returns it to DRAM storage.
signals, and then sends the signals to the BJ print head, via the BJ controller IC.
feed motor via the driver IC