
6-86
Confidential
Star wheel holder
(12) Remove two CR frame springs from the CR support chassis.
(13) Remove the link gear holder LT ASSY* from the engine unit by removing the screw. Take
care not to drop the gear 15 from the link gear holder LT ASSY*.
(14) Lift up the CR support chassis.
(15) While lightly pressing down the two bosses that fit in the oval holes provided in the CR
support chassis, slide the star wheel holder to the front to release the small tabs from the
square holes of the CR support chassis and remove it.
* Link gear holder LT DX ASSY on duplex print models
CR frame spring
Boss
Boss
Star wheel holder
Paper ejection roller
CR guide rail
(6_72_1)
Vertical loop end
Idle pulley
CR frame spring
CR support chassis
Small tabs
Square holes
(Front)
Link gear holder LT ASSY*
Taptite, cup B
M3x10
Gear 15
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 ...