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9-20
Confidential
9.4.9 Sensor Operational Check
(Function code 32)
Function
This function allows you to check the following:
• Document front sensor
• Document rear sensor
• Scanner cover sensor
• Registration sensor
• Ink cartridge cover sensor
• Purge cam switch
• Cap lift cam switch
• Ink cartridge detection sensors (black, yellow, cyan, and magenta)
• Ink empty sensors (black, yellow, cyan, and magenta)
• Document width sensor
• Head thermistor (in the head driver chip)
• Casing internal temperature thermistor (in the complex IC)
• Switchback paper detection sensor (for duplex print models)
• DX cover sensor (for duplex print models)
• DX cam switch (for duplex print models)
Operating Procedure
(1) Press the
3
and
2
keys in this order in the initial stage of the maintenance mode.
The machine sounds 1100 Hz and 400 Hz tones cyclically through the following volumes
for testing the speaker:
NOTE:
To stop beeping, in models without touch panel, press the
Menu
or
OK
key; in
models with touch panel, press the
Photo Capture
key.
If the sensing statuses are as listed on the next page, the LCD shows
"DFDRCVRSCCP1CP
**
" and "IKIYICIMEKEYECEM," or "B4
****
VT CRTH" and
"PPRRDX
**********
,"
*
which can be switched by pressing the
Black Start
(
Mono
Start
) key.
*
For duplex print models
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 ...