1-19
SM A229
Overall
Information
Symbol Name Function
Index
No.
PCB9 Interface Passes signals and dc supplies from
the PSU and IOB to motors and other
components.
64
PCB10 Paper Feed Control
Board (PFB)
Controls the mechanical parts of all
paper feed sections.
58
PCB11 Operation Panel 1 Controls the components on the right-
hand side of the operation panel.
31
PCB12 Operation Panel 2 Controls the components on the left-
hand side of the operation panel.
34
PCB13 LCD Control Controls the LCD. 33
PCB14 By-pass Paper Size Detects the paper width on the by-
pass tray.
101
PCB15 Mother (Option) Connects the printer control board. 54
PCB16 Printer Control
(Option)
Receives print data from a PC. 55
Lamps
L1 Exposure Lamps Apply high intensity light to the original
for exposure.
15
L2 Fusing Lamp 1 Provides heat to the hot roller. 86
L3 Fusing Lamp 2 Provides heat to the hot roller. 85
L4 Quenching Neutralizes any charge remaining on
the drum surface after cleaning.
89
Power Packs
PP1 Charge
Provides high voltage for the charge
corona wires and the grid plate.
87
PP2 Development Provides high voltage for the
development unit.
56
PP3 Transfer Provides high voltage for the transfer
belt.
93
Others
TF1 Fusing Thermofuse
Opens the fusing lamp circuit if the
fusing unit overheats.
84
TH1 Fusing Thermistor Detects the temperature of the hot
roller.
83
H1 Optics Anti-
Condensation
Turns on when the main switch is off
to prevent moisture from forming on
the optics.
16
H2 Drum Turns on when the main switch is off
to prevent moisture from forming
around the drum.
63
H3 Tray Heater 1
Turns on when the main switch is off
to keep paper dry in the paper tray.
62
H4 Tray Heater 2 Turns on when the main switch is off
to keep paper dry in the paper tray.
60
To Next Page
Loading...
