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IV –
23
1.18 Gear Drive Unit
(1)
Take out the heater harness (blue and brown wires) from the clamps provided on the
gear drive unit.
(2)
Take out the main motor harness, solenoid harness, and drum grounding harness from
the clamp provided on the main cover.
Relay PCB
Main cover (placed upside
down)
(Rear)
Clamp provided on the main cover
Main motor harness
Drum grounding harness
Heater harness
(blue and brown wires)
Solenoid harness
Gear drive unit
Main motor
(3)
Remove the three screws and take out the gear drive unit.
(Rear)
Gear drive unit
Solenoid harness (from the main PCB)
Drum grounding harness (from the
high-voltage power supply PCB)
Main cover (placed upside
down)
Main motor harness
(from the main PCB)
Summary of Contents for MFC 4550
Page 5: ...CHAPTER I GENERAL DESCRIPTION ...
Page 14: ...CHAPTER II INSTALLATION ...
Page 15: ...CONTENTS 1 INSTALLING THE UPDATE DATA TO THE FACSIMILE EQUIPMENT II 1 ...
Page 18: ...CHAPTER III THEORY OF OPERATION ...
Page 49: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 81: ...CHAPTER V MAINTENANCE MODE ...
Page 89: ...V 7 Scanning Compensation Data List 200 dpi ...
Page 133: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...
Page 163: ...MAIN 8 8 FAX3550 3650 8000P 8200P MFC4550 6550MC 7550MC MFC9000 9500 A ...
Page 185: ...D CONTROL PANEL 1 2 ...
Page 187: ...E POWER SUPPLY 120 V Low voltage power supply ...
Page 188: ...E POWER SUPPLY 200 240 V Low voltage power supply European versions ...
Page 189: ...E POWER SUPPLY 200 240 V Low voltage power supply Asian versions ...
Page 190: ...E POWER SUPPLY High voltage power supply ...
Page 191: ...Sept 98 5X52012 Printed in Japan ...