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ELECTRICAL COMPONENT DESCRIPTIONS
SM
1-11
B022/B027
1.5 ELECTRICAL COMPONENT DESCRIPTIONS
Refer to the electrical component layout on the reverse side of the point-to-point
diagram for the location of the components.
Symbol
Name
Function
Motors
M1
Scanner
Drives the 1st and 2nd scanners.
M2
Polygonal Mirror
Turns the polygonal mirror.
M3
Main
Drives the main unit components.
M4
Exhaust Fan
Removes heat from around the fusing unit.
M5
Upper Paper Lift
Raises the bottom plate in the 1st paper tray.
M6
Lower Paper Lift
Raises the bottom plate in the 2nd paper tray.
M7
Toner Supply
Rotates the toner bottle to supply toner to the
development unit.
Magnetic Clutches
MC1
Upper Paper Feed
Starts paper feed from the 1st paper tray.
MC2
Lower Paper Feed
Starts paper feed from the 2nd paper tray.
MC3
Upper Relay
Drives the upper relay rollers.
MC4
Lower Relay
Drives the lower relay rollers.
MC4
Registration
Drives the registration rollers.
Switches
SW1
Main
Provides power to the machine. If this is off, there is
no power supplied to the machine.
SW2
Right Upper Cover
Detects when the right upper cover is open.
SW3
Right Cover
Cuts the +5VLD and +24V dc power line and detects
when the right cover is open.
SW4
Right Lower Cover
Detects when the right lower cover is open.
SW5
Upper Paper Size
Determines what size of paper is in the upper paper
tray.
SW6
Lower Paper Size
Determines what size of paper is in the lower paper
tray.
SW7
New PCU Detect
Detects when a new PCU is installed.
SW8
Front Cover Safety
Cuts the +5VLD and +24V dc power line and detects
when the front cover is open.
SW9
Operation
Provides power for machine operation. The machine
still has power if this switch is off.
Sensors
S1
Scanner HP
Informs the CPU when the 1st and 2nd scanners are
at home position.
S2
Platen Cover
Informs the CPU that the platen cover is in the up or
down position (related to the APS/ARE functions).
S3
Original Width
Detects original width. This is one of the APS (Auto
Paper Select) sensors.
S4
Original Length 1
Detects original length. This is one of the APS (Auto
Paper Select) sensors.
Содержание B022
Страница 1: ...B022 B027 SERVICE MANUAL 001197MIU RICOH GROUP COMPANIES...
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Страница 3: ...B022 B027 SERVICE MANUAL RICOH GROUP COMPANIES...
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Страница 5: ...B022 B027 SERVICE MANUAL 001197MIU...
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Страница 37: ...OVERALL MACHINE INFORMATION...
Страница 38: ......
Страница 59: ...DETAILED SECTION DESCRIPTIONS...
Страница 60: ......
Страница 131: ...INSTALLATION...
Страница 132: ......
Страница 190: ...SERVICE TABLES...
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Страница 270: ...PREVENTIVE MAINTENANCE...
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Страница 276: ...REPLACEMENT AND ADJUSTMENT...
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Страница 328: ...TROUBLESHOOTING...
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Страница 352: ...PAPER TRAY UNIT A860 B390...
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Страница 376: ...LCT A862 B391...
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Страница 398: ...AUTO REVERSE DOCUMENT FEEDER B386...
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Страница 430: ...INTERCHANGE UNIT B300 B416...
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Страница 438: ...1 BIN TRAY UNIT A898 B413...
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Страница 446: ...SHIFT TRAY UNIT B313 B459...
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Страница 456: ...BY PASS A899 B415...
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Страница 466: ...DUPLEX A896 B414...
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Страница 480: ...BRIDGE UNIT A897 B417...
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Страница 490: ...1 000 SHEET FINISHER B408...
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Страница 495: ...MOTORS B408 17 4 SM 1 3 4 LOWER TRANSPORT MOTOR 1 Main PCB 1 1 2 Lower transport motor A x 2 x 1 B408R111 WMF A...
Страница 507: ...DRIVE LAYOUT B408 17 16 SM 7 Stack Feed out Motor 8 Jogger Motor 9 Stapler Motor B408D107 WMF 7 8 9...
Страница 518: ...500 SHEET FINISHER G302 B442...
Страница 519: ......
Страница 522: ...500 Sheet Finisher G302 B442 EXTERIOR SM 18 3 G302 B442 Right cover A Grounding plate 1 B Right cover 2 B442R103 WMF A B...
Страница 541: ......
Страница 542: ...FIRMWARE HISTORY...
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Страница 550: ...PRINTER SCANNER CONTROLLERS B453 B461...
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Страница 592: ...FAX UNIT B418...
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Страница 734: ...TECHNICAL SERVICE BULLETINS...
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Страница 763: ...FIRMWARE HISTORY...