BOARD
STRUCTURE
SM 6-11
B156/B200
Detailed
Des
cription
s
1. Controller (Main Board)
Controls the memory and the fax/scanner/printer options.
2. BICU (Base Engine and Image Control Unit)
This is the scanner and engine control board. It controls the following functions:
•
Engine sequence
•
Timing control for peripherals
•
Image processing control and video control
•
Operation control
•
Drive control for the sensors, motors, and solenoids of the printer and
scanner
•
High voltage supply board control
•
Fusing control
3. IOB (Input/Output Board)
Controls the sensors, motors, clutches, and solenoids of the main unit.
4. Scanner IOB (Scanner Input/Output Board)
Handles the following functions.
•
Serial interfaces with ARDF and operation panel
•
Scanner motor control
5. SBU (Sensor Board Unit)
The SBU converts the analog signals from the CCD into digital signals.
Summary of Contents for B156
Page 1: ...B156 B220 SERVICE MANUAL 002350MIU...
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Page 3: ...B156 B220 SERVICE MANUAL...
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Page 5: ...B156 B220 SERVICE MANUAL 002350MIU...
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Page 26: ......
Page 27: ...INSTALLATION...
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Page 102: ......
Page 103: ...PREVENTIVE MAINTENANCE...
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Page 111: ...REPLACEMENT AND ADJUSTMENT...
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Page 116: ...SCANNER UNIT B156 B220 3 4 SM B156R999 JPG...
Page 189: ...TROUBLESHOOTING...
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Page 227: ...SERVICE TABLES...
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Page 365: ...DETAILED DESCRIPTIONS...
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Page 449: ...SPECIFICATIONS...
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Page 461: ...1000 SHEET FINISHER B408...
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Page 489: ...B456 PAPER TRAY UNIT...
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Page 505: ...B457 LARGE CAPACITY TRAY...
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Page 525: ...B458 500 SHEET FINISHER...
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Page 549: ...B480 1 BIN TRAY UNIT...
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Page 557: ...B481 INTERCHANGE UNIT...
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Page 565: ...B482 BRIDGE UNIT...
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Page 577: ...B490 BY PASS TRAY UNIT...
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Page 589: ...B509 DUPLEX UNIT...
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Page 601: ...B510 SHIFT TRAY UNIT...
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Page 611: ...B750 FAX OPTION TYPE 3232...
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Page 753: ...B810 AUTO REVERSE DOCUMENT FEEDER...
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