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Confidential
CHAPTER 6 DISASSEMBLY/REASSEMBLY AND LUBRICATION
This chapter details procedures for disassembling and reassembling the machine together with related
notes. The disassembly order flow provided enables you to see at a glance the quickest way to get to
component(s) involved.
At the start of a disassembly job, you check the disassembly order flow that guides you through a
shortcut to the target components.
This chapter also covers screw tightening torques and lubrication points to which the specified
lubricants should be applied during reassembly jobs.
CONTENTS
Scanner Cover (Scanner Unit) .................................................................. 6-7
ADF & Document Cover ASSY ................................................................. 6-12
Disassembly of ADF & Document Cover ASSY ....................................... 6-14
Disassembly of Control Panel ASSY......................................................... 6-26
Ink Cartridge Cover, Media Module Cover, and Front Cover .................... 6-33
6.1.10 MJ/PS Shield Unit (MJ PCB and Power Supply PCB) .............................. 6-37
Head/Carriage Unit and Ink Refill ASSY ................................................... 6-45
6.1.12 Ink Absorber Box, Ink Absorber Felt, and PF Encoder Disk ..................... 6-57
6.1.14 Components on the Engine Unit (Earth spring, Maintenance unit,
6.1.16 Routing of the Harnesses, Flat Cables, and Ink Supply Tubes ................. 6-75
Summary of Contents for MFC 5490CN - Color Inkjet - All-in-One
Page 7: ...v Confidential SAFETY PRECAUTIONS ...
Page 8: ...vi Confidential ...
Page 9: ...vii Confidential ...
Page 10: ...viii Confidential ...
Page 11: ...ix Confidential ...
Page 12: ...x Confidential ...
Page 13: ...xi Confidential ...
Page 14: ...Confidential CHAPTER 1 PARTS NAMES AND FUNCTIONS ...
Page 18: ...1 3 Confidential 1 2 CONTROL PANEL 11 10 8 9 7 1 2 3 4 5 6 ...
Page 19: ...1 4 Confidential ...
Page 21: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 28: ...2 6 Confidential 2 2 SPECIFICATIONS LIST ...
Page 29: ...2 7 Confidential ...
Page 30: ...2 8 Confidential ...
Page 31: ...2 9 Confidential ...
Page 32: ...2 10 Confidential ...
Page 33: ...2 11 Confidential ...
Page 34: ...2 12 Confidential ...
Page 35: ...2 13 Confidential ...
Page 36: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 88: ...Confidential CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING ...
Page 142: ...Confidential CHAPTER 5 HANDLING DATA HELD IN THE MACHINE PRIOR TO REPAIR ...
Page 149: ...Confidential CHAPTER 6 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 240: ...Confidential CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 246: ...7 4 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 254: ...7 12 Confidential Head Positioning Test Pattern ...
Page 258: ...7 16 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 259: ...7 17 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 261: ...7 19 Confidential Vertical Alignment Check Patterns 2 2 ...
Page 265: ...7 23 Confidential Left and Right Margin Check Pattern ...
Page 266: ...7 24 Confidential Bottom Margin Check Pattern ...
Page 276: ...7 34 Confidential A B C D ...
Page 279: ...Confidential CHAPTER 8 CLEANING ...
Page 283: ...Confidential CHAPTER 9 MAINTENANCE MODE ...
Page 291: ...9 6 Confidential Scanning Compensation Data List ...
Page 294: ...9 9 Confidential Test Pattern ...
Page 299: ...9 14 Confidential Configuration List ...
Page 314: ...9 29 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 315: ...9 30 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 320: ...9 35 Confidential Vertical Alignment Check Patterns 1 2 ...
Page 321: ...9 36 Confidential Vertical Alignment Check Patterns 2 2 ...
Page 325: ...9 40 Confidential Left and Right Margin Check Pattern ...
Page 326: ...9 41 Confidential Bottom Margin Check Pattern ...
Page 356: ...App 2 3 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 436: ...App 6 4 Confidential B Power supply PCB 100 V series ...
Page 437: ...App 6 5 Confidential B Power supply PCB 200 V series ...