
App. 2-7
Confidential
After replacing the main PCB with the one used for any other machine or when
changing programs
Unplug the power cord from the electrical outlet and make sure that the machine is
connected with your PC using a USB cable.
Models with numerical keypad on the control panel: While holding down the
5
key, plug
the power cord into an electrical outlet.
Models without numerical keypad on the control panel: While holding down the
Scan
key,
plug the power cord into an electrical outlet.
Then press the
Mono Start
key (
Black
Start
key).
The black and white pattern appears on the LCD as shown on the previous page. The
machine is ready to receive programs or data for firmware installation from the connected
PC.
< To load programs from the PC >
(1) On your PC, run "filedg32.exe."
The Filedrgs window will appear as shown below.
(2) Drag and drop the firmware (e.g., lz0023_a.pmu) onto the Brother Maintenance USB
Printer driver icon in the Filedrgs window shown above.
Note:
To use a firmware file, extract it beforehand by double-clicking. It is a self-
extracting file having the extension .exe.
After approx. 2 to 5 minutes, the loading operation is complete and the machine
automatically reboots and returns to the standby state.
(3) On the machine, display the version of the firmware installed on the LCD using the
following steps to check it.
Models with numerical keypad on the control panel
Simultaneously press the
*
and
#
keys.
Models without numerical keypad on the control panel
Simultaneously press the
Scan
and
Stop/Exit
keys.
Sample version number shown on the LCD: 0V810060953:4B69
(The top line shows the version number.)
P0601242005:4123
B0601242005:1C8D
Summary of Contents for DCP-6690CW
Page 7: ...v Confidential SAFETY PRECAUTIONS Symbols used in the documentation ...
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 DCP6690CW 5 6 4 1 2 3 ...
Page 19: ...1 4 Confidential ...
Page 20: ...1 5 Confidential MFC6490CW 10 9 7 8 6 1 2 3 4 5 ...
Page 21: ...1 6 Confidential ...
Page 22: ...1 7 Confidential ...
Page 23: ...1 8 Confidential MFC6890CDW 8 7 6 1 2 3 4 5 ...
Page 24: ...1 9 Confidential ...
Page 25: ...1 10 Confidential ...
Page 28: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 35: ...2 6 Confidential 2 2 SPECIFICATIONS LIST DCP6690CW MFC6490CW 1 8 ...
Page 36: ...2 7 Confidential 2 8 ...
Page 37: ...2 8 Confidential 3 8 ...
Page 38: ...2 9 Confidential 4 8 ...
Page 39: ...2 10 Confidential 5 8 ...
Page 40: ...2 11 Confidential 6 8 ...
Page 41: ...2 12 Confidential 7 8 ...
Page 42: ...2 13 Confidential 8 8 ...
Page 43: ...2 14 Confidential MFC6890CDW 1 10 ...
Page 44: ...2 15 Confidential 2 10 ...
Page 45: ...2 16 Confidential 3 10 ...
Page 46: ...2 17 Confidential 4 10 ...
Page 47: ...2 18 Confidential 5 10 ...
Page 48: ...2 19 Confidential 6 10 ...
Page 49: ...2 20 Confidential 7 10 ...
Page 50: ...2 21 Confidential 8 10 ...
Page 51: ...2 22 Confidential 9 10 ...
Page 52: ...2 23 Confidential 10 10 ...
Page 53: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 110: ...Confidential CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING ...
Page 114: ...4 2 Confidential 1 Error messages appearing on the LCD ...
Page 115: ...4 3 Confidential For MFC only ...
Page 116: ...4 4 Confidential For MFC only ...
Page 117: ...4 5 Confidential For MFC only ...
Page 118: ...4 6 Confidential ...
Page 119: ...4 7 Confidential ...
Page 172: ...Confidential CHAPTER 5 HANDLING DATA HELD IN THE MACHINE PRIOR TO REPAIR ...
Page 179: ...Confidential CHAPTER 6 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 292: ...Confidential CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 299: ...7 5 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 308: ...7 14 Confidential Head Positioning Test Pattern ...
Page 314: ...7 20 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 315: ...7 21 Confidential Paper Feeding Check Pattern for the Paper Feed Roller Paper Tray 2 ...
Page 317: ...7 23 Confidential Vertical Alignment Check Patterns 2 2 ...
Page 321: ...7 27 Confidential Left and Right Margin Check Pattern ...
Page 322: ...7 28 Confidential Bottom Margin Check Pattern ...
Page 333: ...7 39 Confidential ADF Copy Chart A B C D ...
Page 337: ...Confidential CHAPTER 8 CLEANING ...
Page 341: ...8 3 Confidential Maintenance unit Head caps Head wiper cleaning_BHM9_E Rubycel stick ...
Page 344: ...Confidential CHAPTER 9 MAINTENANCE MODE ...
Page 353: ...9 7 Confidential Scanning Compensation Data List ...
Page 356: ...9 10 Confidential Test Pattern ...
Page 361: ...9 15 Confidential Configuration List ...
Page 379: ...9 33 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 380: ...9 34 Confidential Paper Feeding Check Pattern for the Paper Feed Roller Paper Tray 2 ...
Page 384: ...9 38 Confidential Vertical Alignment Check Patterns 1 2 ...
Page 385: ...9 39 Confidential Vertical Alignment Check Patterns 2 2 ...
Page 389: ...9 43 Confidential Left and Right Margin Check Pattern ...
Page 390: ...9 44 Confidential Bottom Margin Check Pattern ...
Page 421: ...App 2 3 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 502: ...App 6 4 Confidential B Power supply PCB 100 V series ...
Page 503: ...App 6 5 Confidential B Power supply PCB 200 V series ...