Logic Controller System - Kyocera Mita FS-6750 Service Manual

4.6

Logic controller system

The logic controller system does the following:
•
Communicates with the host computer to receive data at one of the printer's in-
terface
•
Analyzes and translates the print data to be the dot data in the raster memory
•
Communicates with the engine system to discern radiness for printing
•
Stores fonts and macro information
The main logic controller has specifications as shown in the following section. A
simplified diagram is shown on page 33, Figure 4.16.
Table 4. 4 Main controller specifications
Item
CPU
System ROM size
RAM size
Fonts
API ROM
Memory card
Interface
Engine communication mode
Front panel com. mode
Others
PowerPC405GF-160MHz
4 MB (16 Mbit × 2)
Standard 16 MB (64 Mbit × 2) for Taiwan/32 MB (128 Mbit × 2) for Korea
Max. 144 MB (Taiwan)/160 MB (Korea) [1 PC DIMM slot]
Resident 2 MB (16 Mbit × 1)
Socket 2 MB [PK-5 (Option)]
512 kB
1 slot
Parallel High-speed bi-directional [IEEE 1284]
Serial RS-232C/RS-422A (standard for Korea only)
Option 1 slot
Serial interface
Serial interface
Smoothing KIR (Vector compensation)
Toner savor EcoPrint [On/Off]
Reduction Main and sub scan
Video clock 44.8042 MHz
4-32
Operation theory
Logic controller system
Specification
FS-6750