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4 - 1 8
Confidential
Error Code
(Hex)
Symptom
Probable Cause
Solution
A4
Not used.
A5
FAX scanning failure
(1st time).
CIS defective
White reference film
stained in the scanner
cover
Replace the scanner
cover (scanner unit).
A6
FAX scanning failure (retry).
Main PCB defective
Replace the main PCB.
A7
Mismatch between the type
of the CIS mounted and
EEPROM data.
Scanner cover containing
the improper CIS type
mounted at repair.
Check the CIS type
mounted and enter the new
CIS type into the
EEPROM with Function
code 59 in the
maintenance mode. (Refer
to
A8
Color parameter matching
error. (Used for monitoring
bugs at the factory.)
Install the latest firmware.
A9-AE
Not used.
Mismatch between the
type of the CIS mounted
and EEPROM data
Check the CIS type
mounted and enter the
new CIS type into the
EEPROM with Function
code 59 in the
maintenance mode. (Refer
to
CIS flat cable broken or
not connected properly
Correct the cable
connection.
Replace the scanner cover
(scanner unit).
CIS motor harness not
connected properly
Correct the harness
connection.
CIS motor defective
Replace the scanner cover
(scanner unit).
CIS drive unit defective
Replace the scanner cover
(scanner unit).
CIS defective
Replace the scanner cover
(scanner unit).
AF
CIS positioning error.
Main PCB defective
Replace the main PCB.
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 ...