03/02
Contents
WorkCentre Pro 423/428
9-1
CHAPTER 9 BSD (Block Schematic Diagrams)
CONTENTS
9.1
Overview
9.1.1
How to Use the BSD
9-3
9.1.2
Reference Symbology
9-3
9.1.3
Signal Name Designation
9-3
9.1.4
DC Voltage
9-3
9.2
BSD (Block Schematic Diagram)
CHAIN1
STANDBY POWER
CH1.1
MAIN POWER ON
9-4
CH1.2
DC POWER GENERATION (IOT/IIT LVPS)
9-5
CH1.3
STBY+5VDC/RET DISTRIBUTION
9-6
CH1.4
+5VDC DISTRIBUTION
9-7
CH1.5
DC COM (+5VRTN) DISTRIBUTION
9-8
CH1.6
+24VDC/RET DISTRIBUTION
9-9
CH1.7A
INTERLOCK SWITCHING
9-10
CH1.7B
INTERLOCK SWITCHING
9-11
CH1.8
MONITORING
9-12
CHAIN2
MODE SELECTION
CH2.1
CONTROL PANEL (UI)
9-13
CH2.2
CONTROL PANEL (PRINTER)
9-14
CHAIN3
MACHINE RUN CONTROL
CH3.1A
PWBS COMMUNICATION (IIT/IPS)
9-15
CH3.1B
PWBS COMMUNICATION (UI)
9-16
CH3.1C
PWBS COMMUNICATION (HDC&ROM)
9-17
CH3.1D
PWBS COMMUNICATION (DADF)
9-18
CH3.1E
PWBS COMMUNICATION (FINISHER)
9-19
CH3.2A
ACCESSORY (Directly Installed On M/C) (1 OF 4)
9-20
CH3.2B
ACCESSORY (Installed Via EP-SV) (2 OF 4)
9-21
CH3.2C
ACCESSORY (COPYLYZER & SW) (3 OF 4)
9-22
CH3.2D
ACCESSORY (Parallel) (4 OF 4)
9-23
CH3.3
ELECTRIC BILLING
9-24
CH3.4A
MONITORING
9-25
CH3.4B
MONITORING
9-26
CH3.4C
MONITORING
9-27
CHAIN4
START PRINT POWER
CH4.1
MAIN DRIVE CONTROL
9-28
CH4.2
MONITORING
9-29
CHAIN5
DOCUMENT TRANSPORTATION (DADF)
CH5.1
DOCUMENT SET AND FEEDING
9-30
CH5.2
DOCUMENT SIZE SENSING
9-31
CH5.3
DOCUMENT TRANSPORT DRIVE
9-32
CH5.4
DOCUMENT EXPOSURE AND EXIT OR INVERSION
9-33
CH5.5
MONITORING
9-34
CHAIN6
OPTICS (IIT/ROS)
CH6.1A
IMAGE INPUT CONTROL (PLATEN SWITCH AND SENSOR)
9-35
CH6.1
IMAGE INPUT CONTROL (CCD)
9-36
CH6.2
CARRIAGE SCAN
9-37
CH6.3
LASER CONTROL AND LASER SCANNING
9-38
CH6.4
ROS MOTOR CONTROL
9-39
CH6.5
MONITORING
9-40
CHAIN7
PAPER SUPPLYING
CH7.1
TRAY1 PAPER STACKING
9-41
CH7.2
TRAY2 PAPER STACKING
9-42
CH7.3
TRAY3 PAPER STACKING
9-43
CH7.4
TRAY4 PAPER STACKING
9-44
CH7.5
MSI PAPER STACKING
9-45
CH7.6
MONITORING
9-46
CHAIN8
PAPER TRANSPORTATION
CH8.1
TRAY 1 to 4 FEED CONTROL
9-47
CH8.2
MSI FEED CONTROL
9-48
CH8.3
CABINET FEED DRIVE CONTROL
9-49
CH8.4
CABINET AND MSI TRANSPORTATION
9-50
CH8.5
REGISTRATION
9-51
CH8.6
MONITORING
9-52
Summary of Contents for WorkCentre Pro 423
Page 2: ......
Page 3: ...WorkCentre Pro 423 428 6HUYLFH 0DQXDO...
Page 6: ......
Page 8: ......
Page 9: ...INTRODUCTION...
Page 10: ......
Page 24: ...WorkCentre 423 428 03 02 INTRODUCTION 14 7 Translation of Warnings...
Page 25: ...CHAPTER 1 SERVICE CALL PROCEDURE...
Page 26: ......
Page 28: ...WorkCentre Pro 423 428 1 2 CHAPTER 1 SERVICE CALL PROCEDURE 03 02 1 1 Trimming...
Page 31: ...CHAPTER 2 TROUBLESHOOTING...
Page 32: ......
Page 76: ...WorkCentre Pro 423 428 2 44 CHAPTER 2 TROUBLESHOOTING 03 02 2 3 Level 2 Troubleshooting...
Page 243: ...CHAPTER 3 IMAGE QUALITY TROUBLESHOOTING...
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Page 273: ...CHAPTER 4 DISASSEMBLY ASSEMBLY AND ADJUSTMENT...
Page 274: ......
Page 329: ...CHAPTER 5 PARTS LIST...
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Page 415: ...03 02 5 2 Parts List WorkCentre Pro 423 428 5 85 CHAPTER 5 PARTS LIST...
Page 416: ...CHAPTER 6 GENERAL...
Page 417: ......
Page 456: ...CHAPTER 7 ELECTRICAL WIRING DIAGRAMS...
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Page 476: ...CHAPTER 8 ACCESSORIES...
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Page 535: ...WorkCentre Pro 423 428 8 58 CHAPTER 8 ACCESSORIES 03 02 8 22 Stamp Kit Red...
Page 536: ...CHAPTER 9 BSD Block Schematic Diagram...
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