9 - 1 8
Confidential
9.1.4.8 Sensor Operational Check
(Function code 32)
Function
This function allows you to check the following:
- Document front sensor
- Document rear sensor
- Scanner/ink cartridge cover sensor
- Registration sensor
- Purge cam switch
- Black ink cartridge sensor
- Yellow ink cartridge sensor
- Cyan ink cartridge sensor
- Magenta ink cartridge sensor
- Head thermistor (in the head driver chip)
- Casing internal temperature thermistor (in the complex IC)
- Hook switch (for models with handset)
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, press the
Menu
or
OK
key.
If the sensing statuses are as listed below, the LCD will show "DFDRCVRSCCP1****" and
"IKIYICIMVTHKLKTH," which can be switched by pressing the
Black Start (Mono Start)
key.
Given below is the relationship between the LCD indication, sensor name and sensor status.
LCD
Sensors
Sensing status
DF
Document front sensor*
1
No document detected.
DR
Document rear sensor*
1
No document detected.
CV
Scanner cover sensor*
2
Scanner cover and ink cartridge cover closed.
RS
Registration sensor
No recording paper detected.
CC
Ink cartridge cover sensor*
2
Scanner cover and ink cartridge cover closed.
P1
Purge cam switch
Purge cam switch ON.
IK
Black ink cartridge sensor
Black ink cartridge loaded (Black ink present).
IY
Yellow ink cartridge sensor
Yellow ink cartridge loaded (Yellow ink present).
IC
Cyan ink cartridge sensor
Cyan ink cartridge loaded (Cyan ink present).
IM
Magenta ink cartridge sensor
Magenta ink cartridge loaded (Magenta ink present).
VT
Head thermistor
Driver chip temperature within the allowable range.
HK Hook switch*
3
On-hook
state.
LK
High yield ink cartridge sensor*
4
High yield ink cartridge not loaded.
TH
Casing internal temperature thermistor Normal temperature detected.
For models with ADF
Summary of Contents for MFC 685CW - Color Inkjet - All-in-One
Page 7: ...v Confidential ...
Page 8: ...vi Confidential ...
Page 9: ...vii Confidential ...
Page 10: ...viii Confidential ...
Page 11: ...ix Confidential Legal limitations for copying ...
Page 12: ...Confidential CHAPTER 1 PARTS NAMES AND FUNCTIONS ...
Page 18: ...1 5 Confidential ...
Page 19: ...1 6 Confidential ...
Page 20: ...1 7 Confidential ...
Page 23: ...1 10 Confidential ...
Page 30: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 50: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 99: ...Confidential CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING ...
Page 152: ...Confidential CHAPTER 5 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Page 156: ...5 3 Confidential Cover page sample End page sample ...
Page 157: ...Confidential CHAPTER 6 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 250: ...Confidential CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 263: ...7 11 Confidential Head Positioning Test Pattern ...
Page 267: ...7 15 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 268: ...7 16 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 270: ...7 18 Confidential Vertical Alignment Check Patterns 600DPI 1200DPI ...
Page 273: ...7 21 Confidential Margin Check Pattern ...
Page 288: ...Confidential CHAPTER 8 CLEANING ...
Page 292: ...Confidential CHAPTER 9 MAINTENANCE MODE ...
Page 300: ...9 6 Confidential Scanning Compensation Data List a b c d e f i ...
Page 303: ...9 9 Confidential Test Pattern ...
Page 308: ...9 14 Confidential Configuration List ...
Page 315: ...9 21 Confidential Cover page sample End page sample ...
Page 320: ...9 26 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 321: ...9 27 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 326: ...9 32 Confidential Vertical Alignment Check Patterns 600DPI 1200DPI ...
Page 329: ...9 35 Confidential Margin Check Pattern ...
Page 448: ...Confidential B Power supply PCB U S A and Canadian models ...
Page 449: ...Confidential B Power supply PCB European Asian and Oceanian models ...
Page 453: ...Confidential May 07 SM FAX067 8CAE03 1 Printed in Japan ...