
3-48
Confidential
SB roller drive mechanism
The rotational torque of the paper feed motor is transmitted to the paper ejection roller shaft on
which the paper ejection roller SB gear is mounted. As shown below, the rotational torque is
further transmitted via the SB gears A to D to the SB roller drive gear.
The torque transmission to the SB roller can be disengaged by the SB clutch lever engaged with
the outer profile of the DX cam. When the DX cam shifts the SB clutch lever outwards to slide
the SB gear C outwards, the rotational torque transmitted to the SB gear D is smaller than the
load of the SB roller drive gear so that the SB roller drive gear does not rotate.
(3_Duplex_3)
DX cam
Paper ejection roller
SB gear
SB gear A
SB gear B
SB gear C
SB gear D
SB clutch lever
DX cam shaft
DX cam shaft gear
Planet gear in the link
gear holder LT DX ASSY
ASF motor
Cap lift cam gear
Link gear holder DX ASSY
Duplex unit
SB roller
SB roller drive gear
Switchback paper detection
sensor actuator
DX gear 18
DX gear 25/18
Paper ejection
roller shaft
Paper feed motor
ψ
Paper ejection roller shaft
ψ
Paper ejection roller SB gear
ψ
SB gear A
ψ
SB gear B
ψ
SB gear C
ψ
SB gear D
ψ
SB roller drive gear
ψ
SB roller
ASF motor
ψ
Cap lift cam gear
ψ
Link gear holder DX ASSY
ψ
Link gear holder LT DX ASSY
ψ
DX cam shaft gear
ψ
DX cam shaft
ψ
DX cam (outer profile)
ψ
SB clutch lever
< Engagement/disengagement of torque transmission by the SB clutch lever >
< Torque transmission route from the paper feed motor to the SB roller >
Содержание DCP-6690CW
Страница 7: ...v Confidential SAFETY PRECAUTIONS Symbols used in the documentation ...
Страница 8: ...vi Confidential ...
Страница 9: ...vii Confidential ...
Страница 10: ...viii Confidential ...
Страница 11: ...ix Confidential ...
Страница 12: ...x Confidential ...
Страница 13: ...xi Confidential ...
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 ...
Страница 22: ...1 7 Confidential ...
Страница 23: ...1 8 Confidential MFC6890CDW 8 7 6 1 2 3 4 5 ...
Страница 24: ...1 9 Confidential ...
Страница 25: ...1 10 Confidential ...
Страница 28: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Страница 35: ...2 6 Confidential 2 2 SPECIFICATIONS LIST DCP6690CW MFC6490CW 1 8 ...
Страница 36: ...2 7 Confidential 2 8 ...
Страница 37: ...2 8 Confidential 3 8 ...
Страница 38: ...2 9 Confidential 4 8 ...
Страница 39: ...2 10 Confidential 5 8 ...
Страница 40: ...2 11 Confidential 6 8 ...
Страница 41: ...2 12 Confidential 7 8 ...
Страница 42: ...2 13 Confidential 8 8 ...
Страница 43: ...2 14 Confidential MFC6890CDW 1 10 ...
Страница 44: ...2 15 Confidential 2 10 ...
Страница 45: ...2 16 Confidential 3 10 ...
Страница 46: ...2 17 Confidential 4 10 ...
Страница 47: ...2 18 Confidential 5 10 ...
Страница 48: ...2 19 Confidential 6 10 ...
Страница 49: ...2 20 Confidential 7 10 ...
Страница 50: ...2 21 Confidential 8 10 ...
Страница 51: ...2 22 Confidential 9 10 ...
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 ...