4 - 9
Confidential
Error Code
(Hex)
Symptom
Probable Cause
Solution
The number of performed
purge sequences has
reached the limit.
The ink absorber box may
be filled with drained ink.
Purge counter overflown
46
The number of flushing
operations has reached the
limit.
The flushing box may be
filled with drained ink.
Flushing counter
overflown
Replace both the ink
absorber box and
flushing box and reset
their counters. (When
you need to replace the
ink absorber box or
flushing box, replace
both.)
47 Not
used.
Correct the connection
of the head flat cables.
Replace the carriage
PCB ASSY.
Replace the
head/carriage unit.
48
Weak connection of the
head flat cables.
Head flat cables or
carriage-head flat cable
broken or not
connected
Replace the main PCB.
Head flat cables and
carriage-head flat cable
not connected correctly
Correct those flat cables.
Replace the carriage PCB
ASSY.
Head/carriage unit
defective
Replace the head/carriage
unit.
Main PCB defective
Replace the main PCB.
49
The head drive voltage has
not risen to the specified
level.
Power supply PCB
defective
Replace the power supply
PCB.
4A-4E Not
used.
Replace the carriage PCB
ASSY.
Piezoelectric ceramic
actuator defective
(Cracks or rare short)
Replace the head/carriage
unit.
4F
The head drive voltage has
dropped from the high to
low level in an abnormally
short period.
The head drive voltage has
not risen to the specified
level within the specified
period in the self-
diagnosis.
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 ...