Main Pcbs (B044/B045/B046); Fcu (Function/Facsimile Control Unit) - Gestetner B130 Service Manual

MAIN PCBS (B044/B045/B046)

6.7 MAIN PCBs (B044/B045/B046)

6.7.1 FCU (FUNCTION/FACSIMILE CONTROL UNIT)

The FCU is the machine's main controller. It controls scanning, printing, fax
operations (B046 only), image processing, power-mode switching, and it interfaces
with standard and optional peripherals and with the user. It holds the machine's
FROM, SRAM, and DRAM, and provides the slot for the optional DIMM. Note that
fax-related components are not included on FCUs that ship on models B044 and
B045.
Tray
FCU
Heater
Energy-
Save
Switching
Reset /
Backup
PSU
Power
Supply
SAF
Unit
Backup
: Standard
: B046 only
: Option
Note: Mechanical counter is standard on B044 and B046.
B129 Series/B044 Series
CÓPIA NÃO CONTROLADA
OPU
FROM SRAM
SCP2
Heater
Control
LDDR
6-12
CÓPIA NÃO CONTROLADA
Flash
Memory
DIMM
Card
3V/5V
Converter
DRAM
VPL
Video
Processing
Power Pack
Circuit
Control
SBU Power Pack
Printer Controller
NIC Board IEEE1284
Monitor
NCU
Speaker
Analog
Speaker
Data
Driver
Processing
MODEM
CPU BUS
DMA BUS
CIOP
Scanner Plotter
Driver Driver
Optional
ADF/
Plotter
Paper Tray
Scanner
Unit
Mechanical
Counter
B046D553.WMF
SM