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IV –
19
1.15 Main PCB
(1)
Remove the three screws from the interface plate.
(2)
Pull out the interface plate to the rear of the machine and take out the main PCB from
the shield bracket.
(3)
Slightly lift up the main PCB and disconnect the following ten harnesses:
• Main motor harness (4-pin), P9
• Scanner motor harness (6-pin), P10
• Main–low-voltage harness (5-pin), P7
• Main-panel harness (5-pin), P5
• Solenoid harness (2-pin), P8
• Fan 2 harness (2-pin), P18
• Speaker harness (2-pin), P16
• Hook switch harness (2-pin), P11
• Main-NCU harness (12-pin), P6
Main-NCU harness (6-pin), P6 (on the European and Asian versions only)
• Main-sensor harness (11-pin), P4
P9
P10
P18
P7
P5
P8
P16
P6
P13
P11
P4
Main PCB
(Rear)
Main-sensor harness
Main-panel harness
Main–low-voltage harness
Main motor harness
Scanner motor harness
Solenoid harness
Speaker harness
Hook switch harness
Main-NCU harness
Interface plate
Relay PCB
Shield bracket
Main cover
(placed upside
down)
Interface plate
Centronics parallel
interface connector
Relay PCB
Fan 2 harness
Содержание MFC 4550
Страница 5: ...CHAPTER I GENERAL DESCRIPTION ...
Страница 14: ...CHAPTER II INSTALLATION ...
Страница 15: ...CONTENTS 1 INSTALLING THE UPDATE DATA TO THE FACSIMILE EQUIPMENT II 1 ...
Страница 18: ...CHAPTER III THEORY OF OPERATION ...
Страница 49: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 81: ...CHAPTER V MAINTENANCE MODE ...
Страница 89: ...V 7 Scanning Compensation Data List 200 dpi ...
Страница 133: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...
Страница 163: ...MAIN 8 8 FAX3550 3650 8000P 8200P MFC4550 6550MC 7550MC MFC9000 9500 A ...
Страница 185: ...D CONTROL PANEL 1 2 ...
Страница 187: ...E POWER SUPPLY 120 V Low voltage power supply ...
Страница 188: ...E POWER SUPPLY 200 240 V Low voltage power supply European versions ...
Страница 189: ...E POWER SUPPLY 200 240 V Low voltage power supply Asian versions ...
Страница 190: ...E POWER SUPPLY High voltage power supply ...
Страница 191: ...Sept 98 5X52012 Printed in Japan ...