
3-29
Confidential
(3)
Purge mechanism
The paper feed motor drives the purge mechanism.
The counterclockwise rotation of the paper feed motor drives the purge cam that aligns the
pump switching unit with either the black or color ink drain position.
Next, the paper feed motor reverses to activate the tube pump, producing negative pressure to
drain the air and old ink from the head nozzles and channels into the ink absorber box.
Purge cam
Pump switching unit
Purge bevel gear
Main drain tube
Tube pump
Planetary arm
Air vent tube
Main drain tube
Black drain tube
Color drain tube
Main drain tube
(3_14)
Cap lift cam gear
ASF changeover gear
Opening tube to
the atmospheric air
Содержание DCP-6690CW
Страница 7: ...v Confidential SAFETY PRECAUTIONS Symbols used in the documentation ...
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Страница 14: ...Confidential CHAPTER 1 PARTS NAMES AND FUNCTIONS ...
Страница 18: ...1 3 Confidential 1 2 CONTROL PANEL DCP6690CW 5 6 4 1 2 3 ...
Страница 19: ...1 4 Confidential ...
Страница 20: ...1 5 Confidential MFC6490CW 10 9 7 8 6 1 2 3 4 5 ...
Страница 21: ...1 6 Confidential ...
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Страница 23: ...1 8 Confidential MFC6890CDW 8 7 6 1 2 3 4 5 ...
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Страница 25: ...1 10 Confidential ...
Страница 28: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Страница 35: ...2 6 Confidential 2 2 SPECIFICATIONS LIST DCP6690CW MFC6490CW 1 8 ...
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Страница 37: ...2 8 Confidential 3 8 ...
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Страница 41: ...2 12 Confidential 7 8 ...
Страница 42: ...2 13 Confidential 8 8 ...
Страница 43: ...2 14 Confidential MFC6890CDW 1 10 ...
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Страница 45: ...2 16 Confidential 3 10 ...
Страница 46: ...2 17 Confidential 4 10 ...
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Страница 52: ...2 23 Confidential 10 10 ...
Страница 53: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Страница 110: ...Confidential CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 114: ...4 2 Confidential 1 Error messages appearing on the LCD ...
Страница 115: ...4 3 Confidential For MFC only ...
Страница 116: ...4 4 Confidential For MFC only ...
Страница 117: ...4 5 Confidential For MFC only ...
Страница 118: ...4 6 Confidential ...
Страница 119: ...4 7 Confidential ...
Страница 172: ...Confidential CHAPTER 5 HANDLING DATA HELD IN THE MACHINE PRIOR TO REPAIR ...
Страница 179: ...Confidential CHAPTER 6 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 292: ...Confidential CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 299: ...7 5 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Страница 308: ...7 14 Confidential Head Positioning Test Pattern ...
Страница 314: ...7 20 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Страница 315: ...7 21 Confidential Paper Feeding Check Pattern for the Paper Feed Roller Paper Tray 2 ...
Страница 317: ...7 23 Confidential Vertical Alignment Check Patterns 2 2 ...
Страница 321: ...7 27 Confidential Left and Right Margin Check Pattern ...
Страница 322: ...7 28 Confidential Bottom Margin Check Pattern ...
Страница 333: ...7 39 Confidential ADF Copy Chart A B C D ...
Страница 337: ...Confidential CHAPTER 8 CLEANING ...
Страница 341: ...8 3 Confidential Maintenance unit Head caps Head wiper cleaning_BHM9_E Rubycel stick ...
Страница 344: ...Confidential CHAPTER 9 MAINTENANCE MODE ...
Страница 353: ...9 7 Confidential Scanning Compensation Data List ...
Страница 356: ...9 10 Confidential Test Pattern ...
Страница 361: ...9 15 Confidential Configuration List ...
Страница 379: ...9 33 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Страница 380: ...9 34 Confidential Paper Feeding Check Pattern for the Paper Feed Roller Paper Tray 2 ...
Страница 384: ...9 38 Confidential Vertical Alignment Check Patterns 1 2 ...
Страница 385: ...9 39 Confidential Vertical Alignment Check Patterns 2 2 ...
Страница 389: ...9 43 Confidential Left and Right Margin Check Pattern ...
Страница 390: ...9 44 Confidential Bottom Margin Check Pattern ...
Страница 421: ...App 2 3 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Страница 502: ...App 6 4 Confidential B Power supply PCB 100 V series ...
Страница 503: ...App 6 5 Confidential B Power supply PCB 200 V series ...