Electrical Component Descriptions - Ricoh FT5535 Service Manual

4. ELECTRICAL COMPONENT DESCRIPTIONS

Refer to the electrical component layout and the point to point diagram on the
waterproof paper in the pocket for symbols and index numbers.
: New or modified components
Symbol Name
Printed Circuit Boards
Main Control
PCB1
AC Drive
PCB2
PCB3 DC Power Supply
PCB4 Main Motor Control
CB High Voltage Supply Supplies high voltage to the drum charge
PCB5
PCB6 T High Voltage Supply
Operation Panel
PCB7
Noise Filter (220 ~ 240
PCB8
V machines only)
Duplex Control
PCB9
(Duplex machines only)
Liquid Crystal Display
PCB10
(A207 machines only)
LCT Interface
PCB11
(LCT machines only)
Motors
M1 Main
Toner Bottle Drive
M2
Upper Tray Lift
(
(Non-duplex machines
M3
only)
(
Lower Tray Lift
M4
LCT Lift
M5
(LCT machines only)
M6 Optics Cooling Fan 1
(
Optics Cooling Fan 2
M7
Exhaust Fan 1
M8
A207/A208/A211
CÓPIA NÃO CONTROLADA
ELECTRICAL COMPONENT DESCRIPTIONS
Controls all copier functions both directly or
through other control boards.
Provides ac power to the exposure lamp
and fusing lamps.
Provides dc power.
Controls the rotation of the main motor.
roller and development roller.
Supplies high voltage to the transfer belt.
Controls the LED matrix, and monitors the
key matrix.
Removes electrical noise.
Controls the operation of the duplex tray.
Controls the guidance display and displays
guidance for machine operation.
Interfaces the LCT control signal between
the main board and the LCT.
Drives the main unit components.
Rotates the toner bottle to supply toner to
the toner supply unit.
Raises the bottom plate in the upper paper
tray.
(
A204/206/208/210: M3 and M4 are
combined into one unit
Raises the bottom plate in the lower paper
tray.
Lifts up and lowers the LCT bottom plate.
Removes heat from the optics unit.
Removes heat from the optics unit.
(
A208/210/211 now have two fans.
Removes the heat from around the fusing
unit.
1-11
CÓPIA NÃO CONTROLADA
Function Index No.
13
11
10
94
1
52
3
8
60
6
100
85
76
95
83
97
92
93
87
SM