Ricoh G035 Service Manual page 54

PRINTER CONTROLLER
3. ROM memory
Flash ROM (8 MB)
4 MB of flash ROM area is for boot, operation system, PCL5e, and PCL6
codes, and for the font data for both PCL languages (resident fonts). The
remaining 4-MB area is for PostScript code and font data.
4. NVRAM (8 KB)
This NVRAM contains the printer settings, and the job and error record data.
5. Network Interface Board Interface
This interface controls the optional NIB, and a printer NIB is provided to support
the network operations.
⇒
6. Hard Disk Drive Interface (Enhanced IDE: Option)
This HDD interface is provided to support storage of fonts downloaded from a
PC.
7. IC Card Interface
The flash memory card for updating the controller and PostScript firmware is
connected to this flash memory card slot.
8. Power-on Self-diagnostic
When the controller is turned on, the controller performs a self-diagnostic test.
G035 2-2
Rev. 03/2000
SM