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6 - 3 1
Confidential
6.1.8 Backup
Battery
(for models with backup battery)
and Upper Cover
NOTE:
Make sure that the jam clear cover has been removed.
(1) Disconnect the battery harness from the main PCB and remove the backup battery from the
upper cover.
(2) Disconnect the cordless flat cable* and speaker harness from the main PCB.
(3) Open the ink cartridge cover.
(4) Remove the seven screws (six "a" and one "b" screws) (for models with cordless handset, eight
screws including one "c" screw) from the upper cover.
(5) Insert the tip of a small flat screwdriver into the two openings provided in the front end of the
upper cover, release the upper cover from the bosses on the lower cover, and lift it up.
NOTE:
Do not put your hands in the opening above the platen (shown below). Doing so may
damage or stain the CR encoder strip inside.
* For models with cordless handset
(6_30_J)
1
2
8
3
6
5
4
Peep hole
Upper cover
Front cover
Boss
Lower cover
Opening
Ink cartridge cover
Boss
Opening
Actuator
lever
Rib
Cover arm
PF encoder disk
Upper cover
Cordless flat cable*
Cable guide
Cordless flat cable*
Backup battery
Cable guide
Upper cover
Speaker harness
Main PCB
7
"b"
"a"
"a"
"a"
"a"
"a"
"c"*
"a"
Opening above the platen
"a": Taptite, bind B M4x12
"b": Taptite, cup B M3x10
"c"*: Taptite, cup S M3x6
Tighten seven (eight*)
screws in the order of
to ( to *).
Summary of Contents for MFC 685CW - Color Inkjet - All-in-One
Page 7: ...v Confidential ...
Page 8: ...vi Confidential ...
Page 9: ...vii Confidential ...
Page 10: ...viii Confidential ...
Page 11: ...ix Confidential Legal limitations for copying ...
Page 12: ...Confidential CHAPTER 1 PARTS NAMES AND FUNCTIONS ...
Page 18: ...1 5 Confidential ...
Page 19: ...1 6 Confidential ...
Page 20: ...1 7 Confidential ...
Page 23: ...1 10 Confidential ...
Page 30: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 50: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 99: ...Confidential CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING ...
Page 152: ...Confidential CHAPTER 5 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Page 156: ...5 3 Confidential Cover page sample End page sample ...
Page 157: ...Confidential CHAPTER 6 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 250: ...Confidential CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 263: ...7 11 Confidential Head Positioning Test Pattern ...
Page 267: ...7 15 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 268: ...7 16 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 270: ...7 18 Confidential Vertical Alignment Check Patterns 600DPI 1200DPI ...
Page 273: ...7 21 Confidential Margin Check Pattern ...
Page 288: ...Confidential CHAPTER 8 CLEANING ...
Page 292: ...Confidential CHAPTER 9 MAINTENANCE MODE ...
Page 300: ...9 6 Confidential Scanning Compensation Data List a b c d e f i ...
Page 303: ...9 9 Confidential Test Pattern ...
Page 308: ...9 14 Confidential Configuration List ...
Page 315: ...9 21 Confidential Cover page sample End page sample ...
Page 320: ...9 26 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 321: ...9 27 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 326: ...9 32 Confidential Vertical Alignment Check Patterns 600DPI 1200DPI ...
Page 329: ...9 35 Confidential Margin Check Pattern ...
Page 448: ...Confidential B Power supply PCB U S A and Canadian models ...
Page 449: ...Confidential B Power supply PCB European Asian and Oceanian models ...
Page 453: ...Confidential May 07 SM FAX067 8CAE03 1 Printed in Japan ...