Does the DSB output the motor drive phases?
Y
N
Replace the DSB, UIB, SPU, or SCU.
Replace the motor.
Does the UIB receive a signal from the master belt home position sensor?
Y
N
Does the sensor r 5V?
Y
N
Trace the + 5V supply line through the machine
from the PSU to the sensor and replace the defective PCB.
Replace the sensor.
Replace the UIB, SCU, or SPU.
Main Motor Lock Fail
Main Motor (Motor operation can be checked with service function 09,
mode 6).
Does the SPU r 24VD from the PSU?
Y
N
Does 1POWON go high after Copy is pressed?
Y
N
Replace the SPU or SCU.
Replace the PSU, upper unit interlock switch, or right cover
interlock switch.
Does the SPU 24V at CN5-1, 2, and 3?
Y
N
Replace the SPU.
Does the DRU 24V at CN2-3?
Y
N
Replace the DRU.
Replace the main motor or the SPU or SCU.
5-45
Содержание FAX7000L
Страница 2: ......
Страница 8: ...SECTION 1...
Страница 24: ...1 3 2 Minimum Space Requirements 1 15...
Страница 28: ...1 18a...
Страница 50: ...SECTION 2 PROGRAMMING TESTING...
Страница 53: ...2 1 Operation Panel 2 1...
Страница 169: ......
Страница 223: ...S E C T I O N 4...
Страница 234: ...S E C T I O N 5...
Страница 307: ...S E C T I O N 6...
Страница 308: ...SECTION 6 OPTIONAL BAR CODE READER 6 1 Accessory Check List 6 1 6 2 Installation Procedure 6 2...
Страница 311: ...S E C T I O N 7...
Страница 313: ...7 1 Point to point Diagram 7 1...
Страница 314: ...7 2...
Страница 315: ...7 3...
Страница 344: ...7 3 Block Diagrams 1 Overall Machine Control Overall 7 32...
Страница 345: ...Main CPU 7 33...
Страница 346: ...Main Slave CPU Interface 7 34...
Страница 347: ...Slave CPU...
Страница 348: ...Communication Control 7 36...
Страница 349: ...2 Video Data Path Transmission 7 37...
Страница 350: ...Reception 7 38...
Страница 351: ......
Страница 352: ...3 Power Distribution From PSU to SPU 7 40...
Страница 353: ...Distribution by SPU 7 41...
Страница 354: ...UIB and LIB 7 42...
Страница 355: ...4 Scanner Fluorescent Lamps 24VD Power Supply 7 43...
Страница 356: ...Document Feed Mechanism 7 44...
Страница 357: ...CCD Drive 7 45...
Страница 358: ...5 Communication Control 7 46...
Страница 359: ...6 Printer Laser Diode Drive 7 47...
Страница 360: ...Main Scan Synchronization 7 48...
Страница 361: ...Fusing Lamp Power Switching 7 49...
Страница 362: ...Fusing Lamp Temperature Monitoring...
Страница 363: ...7 4 Electrical Component Layout 7 51...
Страница 364: ...7 52...
Страница 367: ...7 5 Timing Charts 1 Scanner 7 55...
Страница 368: ...2 Printer 7 56...
Страница 369: ...7 57...
Страница 370: ......
Страница 371: ...APPENDIX Appendix A Glossary A 1...