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CONTENTS
1. OVERVIEW .....................................................................................................
III
-1
2. MECHANISMS ................................................................................................
III
-2
2.1 Scanner Mechanism ..............................................................................
III
-3
2.1.1 Document feeding and ejecting mechanism ...................................
III
-3
2.1.2 Document scanning mechanism .....................................................
III
-3
2.2 Laser Printing Mechanism ......................................................................
III
-4
2.2.1 Paper pulling-in, registration, feeding, and ejecting mechanism .....
III
-4
2.2.2 Print process mechanism ................................................................
III
-6
(1) Charging process ....................................................................
III
-7
(2) Exposing process ....................................................................
III
-7
(3) Developing process .................................................................
III
-8
(4) Transferring process ................................................................
III
-8
(5) Erasing process .......................................................................
III
-8
2.2.3 Heat-fixing mechanism ...................................................................
III
-9
2.3 Sensors and Actuators ...........................................................................
III
-10
3. CONTROL ELECTRONICS ...........................................................................
III
-12
3.1 Configuration ...........................................................................................
III
-12
3.2 Main PCB ................................................................................................
III
-13
3.3 Relay PCB ..............................................................................................
III
-23
3.4 NCU PCB ................................................................................................
III
-24
3.5 Control Panel PCB .................................................................................
III
-27
3.6 Power Supply PCBs ...............................................................................
III
-28
[ 1 ] Low-voltage power supply PCB ..................................................
III
-28
[ 2 ] High-voltage power supply PCB .................................................
III
-29
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 ...