4-2
Tightening Torque List
Location
Screw type
Q'ty
Tightening torque
N•m (kgf•cm)
Board access cover
Taptite, bind B M4x12
2
0.78 ±0.10
(8 ±1)
Release lever
Taptite, bind B M4x10
1
0.98 ±0.20
(10 ±2)
Grounding leaf spring R
Taptite, bind B M2.6x8
1
0.39 ±0.10
(4 ±1)
Grounding leaf spring L
Taptite, bind B M2.6x8
2
0.39 ±0.10
(4 ±1)
ADF parts
Taptite, pan B M3x6
1
0.49 ±0.20
(5 ±2)
Panel rear cover
Taptite, cup B M3x8
2
0.49 ±0.20
(5 ±2)
Link stoppers
Taptite, pan B M4x6D 10
2
0.49 ±0.20
(5 ±2)
FG wire & main PCB
Taptite, cup S M3x6
1
0.69 ±0.20
(7 ±2)
CIS shield plate
Taptite, cup B M3x6
3
0.49 ±0.20
(5 ±2)
Scanner drive unit
Taptite, cup B M3x8
2
0.49 ±0.20
(5 ±2)
Scanner motor
Screw, pan (washer) M3x6DA
1
0.69 ±0.20
(7 ±2)
Heat-fixing unit
Taptite, cup B M4x16
2
0.98 ±0.20
(10 ±2)
Fixing unit upper cover
Taptite, bind B M3x12
2
0.69 ±0.20
(7 ±2)
Lock plate
Taptite, pan B M3x10
1
0.69 ±0.20
(7 ±2)
Fuse plate R
Screw, pan (washer) M2.6x6DA
1
0.39 ±0.10
(4 ±1)
Laser unit
Taptite, bind B M4x12
3
0.98 ±0.20
(10 ±2)
Main shield
Taptite, cup S M3x6
2
0.69 ±0.20
(7 ±2)
Parallel interface connector
Taptite, pan S M3x12
2
0.69 ±0.20
(7 ±2)
Main PCB
Taptite, cup S M3x6
1
0.69 ±0.20
(7 ±2)
Bottom plate
Taptite, bind B M4x12
5
0.98 ±0.20
(10 ±2)
Taptite, cup S M3x6
4
0.69 ±0.20
(7 ±2)
Low-voltage power supply PCB Taptite, cup S M3x6
2
0.69 ±0.20
(7 ±2)
(Low-voltage insulator sheet)
Grounding wire
Screw, pan (washer) M4x8DB
1
0.39 ±0.20
(4 ±2)
Power inlet support
Taptite, cup S M3x6
1
0.69 ±0.20
(7 ±2)
High-voltage power supply PCB Taptite, bind B M4x12
1
0.98 ±0.20
(10 ±2)
Duct
Taptite, bind B M4x12
2
0.98 ±0.20
(10 ±2)
Fan support
Taptite, cup B M3x8
1
0.49 ±0.20
(5 ±2)
Power supply shield
Taptite, cup S M3x6
2
0.69 ±0.20
(7 ±2)
Gear drive unit
Taptite, bind B M4x14
4
0.98 ±0.20
(10 ±2)
Main motor
Taptite, cup S M3x6
2
0.69 ±0.20
(7 ±2)
Motor support plate
Taptite, cup S M3x16
2
0.69 ±0.20
(7 ±2)
PCB support
Taptite, bind B M4x12
2
0.98 ±0.20
(10 ±2)
NCU shield
Taptite, cup S M3x6
2
0.69 ±0.20
(7 ±2)
NCU PCB
Taptite, cup S M3x6
1
0.69 ±0.20
(7 ±2)
Scanner grounding plate
Taptite, cup B M3x8
1
0.49 ±0.20
(5 ±2)
Side covers R and L
Taptite, bind B M4x12
4
0.98 ±0.20
(10 ±2)
Содержание Laser MFC-4800
Страница 1: ...FACSIMILE EQUIPMENT SERVICE MANUAL MODEL FAX2800 FAX2900 FAX3800 MFC4800 FAX8070P MFC9030 MFC9070 ...
Страница 5: ...CHAPTER 1 GENERAL DESCRIPTION ...
Страница 16: ...CHAPTER 2 INSTALLATION ...
Страница 21: ...CHAPTER 3 THEORY OF OPERATION ...
Страница 23: ...3 1 3 1 OVERVIEW ...
Страница 26: ...3 4 3 2 2 Laser Printing Mechanism 3 2 2 1 Paper pulling in registration feeding and ejecting mechanism ...
Страница 31: ...3 9 Location of Sensors and Actuators ...
Страница 33: ...CHAPTER 4 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 39: ...4 4 Disassembly Order Flow ...
Страница 44: ...4 9 6 Turn the ASF upside down then remove the registration sensor actuator ...
Страница 82: ...4 45 Harness routing G Laser diode harness polygon motor flat cable and toner sensor harness on the laser unit ...
Страница 86: ...4 48 2 Scanner drive unit 3 Separation roller ...
Страница 87: ...4 49 4 Document feed roller ...
Страница 88: ...CHAPTER 5 MAINTENANCE MODE ...
Страница 95: ...5 6 Scanning Compensation Data List a b c d e ...
Страница 102: ...5 13 Key Button Entry Order ...
Страница 110: ...CHAPTER 6 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 140: ...FAX2800 FAX2900 FAX3800 MFC4800 FAX8070P MFC9030 MFC9070 Appendix 1 EEPROM Customizing Codes ...
Страница 143: ...FAX2800 FAX2900 FAX3800 MFC4800 FAX8070P MFC9030 MFC9070 Appendix 2 Firmware Switches WSW ...
Страница 190: ...A Main PCB 1 5 ...
Страница 191: ...A Main PCB 2 5 ...
Страница 192: ...A Main PCB 3 5 ...
Страница 193: ...A Main PCB 4 5 ...
Страница 194: ...A Main PCB 5 5 ...
Страница 195: ...B NCU PCB U S A Canada ...
Страница 196: ...B NCU PCB U K Norway Netherlands Finland Denmark Sweden ...
Страница 197: ...B NCU PCB Germany France Belgium Switzerland Ireland Austria Spain Italy South Africa ...
Страница 198: ...B NCU PCB Asia Oceania 1 2 ...
Страница 200: ...C Control Panel PCB ...
Страница 201: ...D Power Supply PCB 100 120V Low voltage power supply ...
Страница 202: ...D Power Supply PCB 200 240V Low voltage power supply Europe ...
Страница 203: ...D Power Supply PCB 200 240V Low voltage power supply Asia Oceania ...
Страница 204: ...D Power Supply PCB High voltage power supply ...
Страница 205: ...April 02 SM FAX002 8X5601 Printed in Japan ...