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ELECTRICAL COMPONENT DESCRIPTIONS
Rev. 7/98
1-12
A230/A231/A232
SM
1.6 ELECTRICAL COMPONENT DESCRIPTIONS
Refer to the electrical component layout on the point to point diagrams for the
locations of these components.
Symbol
Index
No.
Description
Note
Printed Circuit Boards
PCB1
58
BICU (Base
Engine & Image
Control Unit)
Controls all copier functions both directly
and through other control boards.
PCB2
55
PSU (Power
Supply Unit)
Provides dc power to the system and ac
power to the fusing lamp and optional
heaters.
PCB3
61
IOB
(Input/Output
Board)
Controls the mechanical parts of the
printer (excluding the paper feed section),
and the fusing lamp power.
PCB4
62
Paper Feed
Control (PFB)
Controls the mechanical parts of all paper
feed sections.
PCB5
63
High Voltage
Supply
Supplies high voltage to the drum charge
roller, development roller, and transfer
belt.
PCB6
9
SBU (Sensor
Board Unit)
Contains the CCD, and outputs a video
signal to the BICU board.
PCB7
7
SIB (Scanner
Interface Board)
Controls the scanner carriages and
passes signals from the scanner unit to
the BICU board.
PCB8
11
Operation Panel
Controls the LCD and LED matrix and
monitors the key matrix.
PCB9
4
Lamp Stabilizer
Provides dc power to the exposure lamp.
PCB10
19
LDDR (Laser
Diode Driver)
Controls the laser diode.
PCB11
54
SIFB (Scanner
Interface Board)
Passes signals between the SIB and
BICU boards.
Motors
M1
35
Main
Drives the main body components.
M2
8
Scanner Drive
Drives the 1st and 2nd scanners.
M3
45
Tray Lift
Raises the bottom plate in the paper tray.
M4
22
Polygonal Mirror
Turns the polygonal mirror.
M5
20
LD Positioning
Rotates the LD unit to adjust the LD
beam pitch when a different resolution is
selected.
M6
36
Cooling Fan
Removes heat from the main PCBs.
M7
37
Exhaust Fan
Removes heat from around the fusing
unit.
Содержание A230
Страница 1: ...SERVICE MANUAL 000861MIU A230 A231 A232 RICOH GROUP COMPANIES ...
Страница 2: ...SERVICE MANUAL A230 A231 A232 RICOH GROUP COMPANIES ...
Страница 3: ...A230 A231 A232 SERVICE MANUAL 000861MIU ...
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Страница 40: ...OVERALL MACHINE INFORMATION ...
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Страница 62: ...DETAILED SECTION DESCRIPTIONS ...
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Страница 140: ...INSTALLATION ...
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Страница 208: ...SERVICE TABLES ...
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Страница 280: ...PREVENTIVE MAINTENANCE ...
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Страница 285: ...REPLACEMENT AND ADJUSTMENT ...
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Страница 343: ...TROUBLESHOOTING ...
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Страница 369: ...SERVICE CALL CONDITIONS 7 23B A230 A231 A232 SM This Page Is Intentionally Left Blank Rev 01 99 ...
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Страница 468: ...ROM HISTORY 12 22 A230 A231 A232 SM B Rev 09 2000 ...
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Страница 485: ... DUPLEX A687 ...
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Страница 595: ...SM A203 231 A232 19 11 3 4 HELP MENU 3 4 1 HELP ABOUT SWAPUTI SwapBox And SwapFTL FUNCTIONS ...
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Страница 597: ...NINE TRAY MAILBOX AND BRIDGE UNIT G909 G912 ...
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Страница 802: ...Service Tables A693 DEDICATED TRANSMISSION PARAMETERS 4 77 SM A230 A231 A232 Switch 08 Not used ...
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Страница 922: ...SwapFTL and SwapFTL Installation Manual ...
Страница 933: ...SwapFTL Binary Utility Operation Manual ...
Страница 944: ...SM A203 231 A232 19 11 3 4 HELP MENU 3 4 1 HELP ABOUT SWAPUTI SwapBox And SwapFTL FUNCTIONS ...
Страница 986: ...SERVICE CALL CONDITIONS 7 23B A230 A231 A232 SM This Page Is Intentionally Left Blank Rev 01 99 ...
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