6-27
Confidential
(5) Remove the two screws from the control panel base.
(6) Release the eight "y" latches and remove the control panel plate from the control panel
base.
NOTE:
Take care not to drop the color LCD unit.
(7) Take the color LCD unit out of the control panel base.
Note:
The latch spring may pop out of the control panel base. Take care not to lose it.
(8) If the control panel ASSY or the control panel base needs to be replaced, be sure to place
an order for an LCD back film also and attach a new film on the control panel base.
Assembling Notes:
• When attaching a new LCD back film on the control panel base, face the black side of the
film upwards.
• Before mounting the color LCD unit onto the control panel base, set the latch spring with
its convex section facing upwards, fitting its hole and cutout over the front and rear
bosses of the control panel base, respectively.
• A new color LCD unit is covered with a protection sheet. Before setting it, remove the
protection sheet.
• When mounting the color LCD unit, route the LCD flat cable through the square opening
of the control panel base.
• After setting the color LCD unit back into place, wipe fingerprints or dust off the LCD
surface with a soft cloth.
Panel plate
Color LCD unit
Control panel base
Taptite, bind B
M3x8
LCD flat cable
Latches "y"
Latches "y"
Latches "y"
Latch
spring
Square opening
Latches
"y"
Bosses
(6_30)
LCD back film
Summary of Contents for MFC 5890CN - Color Inkjet - All-in-One
Page 8: ...vi Confidential ...
Page 9: ...vii Confidential ...
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Page 11: ...ix Confidential ...
Page 12: ...x Confidential ...
Page 13: ...xi Confidential ...
Page 14: ...xii Confidential ...
Page 15: ...xiii Confidential ...
Page 16: ...Confidential CHAPTER 1 PARTS NAMES AND FUNCTIONS ...
Page 20: ...1 3 Confidential 1 2 CONTROL PANEL 10 9 7 8 6 1 2 3 4 5 ...
Page 21: ...1 4 Confidential ...
Page 22: ...1 5 Confidential ...
Page 24: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 48: ...2 22 Confidential ITU T Test Chart 1 ...
Page 49: ...2 23 Confidential Brother Chart ...
Page 50: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 96: ...Confidential CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING ...
Page 100: ...4 2 Confidential 1 Error messages appearing on the LCD ...
Page 101: ...4 3 Confidential ...
Page 102: ...4 4 Confidential Check that you have subscribed to the Caller ID service ...
Page 103: ...4 5 Confidential ...
Page 104: ...4 6 Confidential ...
Page 150: ...Confidential CHAPTER 5 HANDLING DATA HELD IN THE MACHINE PRIOR TO REPAIR ...
Page 154: ...Confidential CHAPTER 6 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 245: ...Confidential CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 252: ...7 5 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 260: ...7 13 Confidential Head Positioning Test Pattern ...
Page 264: ...7 17 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 265: ...7 18 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 267: ...7 20 Confidential Vertical Alignment Check Patterns 2 2 ...
Page 271: ...7 24 Confidential Left and Right Margin Check Pattern ...
Page 272: ...7 25 Confidential Bottom Margin Check Pattern ...
Page 282: ...7 35 Confidential ADF Copy Chart A B C D ...
Page 286: ...Confidential CHAPTER 8 CLEANING ...
Page 290: ...Confidential CHAPTER 9 MAINTENANCE MODE ...
Page 298: ...9 6 Confidential Scanning Compensation Data List ...
Page 301: ...9 9 Confidential Test Pattern ...
Page 306: ...9 14 Confidential Configuration List ...
Page 322: ...9 30 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 323: ...9 31 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 328: ...9 36 Confidential Vertical Alignment Check Patterns 1 2 ...
Page 329: ...9 37 Confidential Vertical Alignment Check Patterns 2 2 ...
Page 333: ...9 41 Confidential Left and Right Margin Check Pattern ...
Page 334: ...9 42 Confidential Bottom Margin Check Pattern ...
Page 364: ...App 2 3 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 445: ...App 6 4 Confidential B Power supply PCB 100 V series ...
Page 446: ...App 6 5 Confidential B Power supply PCB 200 V series ...