BLOCK DIAGRAM: PCBS AND COMPONENTS
SM 6-7 B044/B045/B046
Detailed
Descriptions
6.4 BLOCK DIAGRAM: PCBs AND COMPONENTS
NOTE: The DF connection board, NCU, and speaker are standard on fax-
equipped models (B046), and optional on B044 and B045.
FCU
Sensors ThermistorSBU Fan Clutch
Toner Supply
Clutch
Lamp
Stabilizer
Exposure
Lamp
Motors
(Main, Polygon, Scanner)
DF
Connection
Board Paper
Feed Unit
(Motor,
Clutch,
Sensors)
Mechanical
Counter
DF Motor
DF Clutch
DF Sensor
DIMM RS232C
Printer Controller
Board
PSUNCU
Handset
HVP Board
Printer
Options
Bypass
Feed
Clutch
Registration
Clutch
Paper Feed
Clutch
PCU
LD Unit
Operation
Panel Unit
Tray Heater
Fusing
Lamp
Quenching
Lamp
: Standard
: Option
B046D551.WMF
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