1.4. OVERALL MACHINE CONTROL
The FCU controls the entire system of the machine.
The printer components and the optional paper feed unit are controlled by the
MCB. The FCIP in the FCU is connected with the CPU in the MCB through a
synchronized 8-bit serial interface. The line synchronization signal for laser
printing is sent to the FCIP from the MCB.
The scanner components are controlled by the FCU. Video data coming from
the CIS is processed in the FCIP and then sent to the MCB for copying or
sent to the NCU through the modem for transmission.
The operation panel is controlled by the FCU through a serial interface.
MCB
FCU
Operation
Panel
Printer
Components
Optional
Paper Feed
Unit
NCU
FCIP
Serial
Scanner
Components
Data &
Control
Data &
Control
AVIDEO
/STS
/SOD
To the Network
OP-LSI
TRXD
H528D501.wmf
OVERALL MACHINE INFORMATION
July 24th, 1996
OVERALL MACHINE CONTROL
1-10
