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VI –
18
Trouble
Action to be taken
(9) Faulty image registration
(Leading edge of image starts
too late on paper)
At the printer side
• Instruct the user not to load paper exceeding the limit
mark on the multi-purpose sheet feeder.
• Instruct the user to use the recommended types of paper.
• Replace the multi-purpose sheet feeder.
• Replace the gear drive unit.
(10) Image distortion or improper
image alignment
In communications
Check the following components:
- Error code displayed. (Refer to Section 1, “ERROR
INDICATION” in this chapter.)
- NCU PCB
- Main PCB
At the scanner
Check the following components:
- Separator roller and its related sections
- Document feed rollers and their related gears
- Scanner motor and its harness
- Main PCB
At the printer side
• Check that the laser unit is secured with the screws
without looseness.
• Check the connection of the polygon motor flat cable on
the relay PCB.
• Replace the laser unit.
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 ...