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9-15
Confidential
9.4.6 Operational Check of LCD and Specifying of the LCD Type
(Function code 12) (User-accessible)
Function
This function allows you to check whether the LCD works normally. It should be used to
specify the LCD type if the 3.3-inch LCD unit or main PCB is replaced.
Operating Procedure
Checking the display state of the LCD
If the 3.3-inch LCD unit or main PCB has been replaced, first specify the LCD type using the
procedure given on the next page before proceeding to the following steps.
(1) Press the
1
and
2
keys in this order in the initial stage of the maintenance mode.
Press the key. The LCD shows the screen given below.
(2) Each time you press the key, the LCD cycles through the displays as shown below.
(3) Press the
Stop/Exit
key in any process of the above display cycle. The machine returns to
the initial stage of the maintenance mode.
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Summary of Contents for MFC 5890CN - Color Inkjet - All-in-One
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: ...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 ...