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Confidential
[ 2 ] "MACHINE ERROR 4F" error message
The error message "MACHINE ERROR 4F" appears if the head drive voltage drops from the high
to low level in an abnormally short period. The source of the problem is mainly the head/carriage
unit.
Check
Possible causes
Problems that may result
Head/carriage unit
- The carriage-head flat cable is
disconnected from the carriage
PCB.
- Piezoelectric ceramic actuator
defective. (Cracks or rare short)
At the start of printing or head
cleaning operation, correct
voltage will not be applied to
the electrodes on the surface of
the piezoelectric ceramic
actuator (described in
Main PCB
- A power failure when the
machine was in operation
resulted in a damaged part.
- The drive voltage and current
supplied are too low to drive the
head/carriage unit.
- Voltage detection circuit
defective.
Carriage PCB
ASSY
Head power circuit insulation
failure.
The head drive voltage drops
from the high to low level in an
abnormally short period.
The head drive voltage
becomes too high or low.
[ 3 ] Ink-related problems
Problems of this nature may arise not only due to machine malfunction but also to the user's actions.
IMPORTANT:
In many cases, the user fails to set ink cartridges in place.
Problems due to the user's actions
Check
Possible causes
Problems that may result
Ink cartridges
- Ink cartridges are not inserted
fully into the ink refill ASSY.
- One or more of the ink cartridges
are not loaded.
- One or more of the ink cartridges
has run out of ink.
The machine will not be able to
print.
Summary of Contents for DCP 330C - Color Inkjet - All-in-One
Page 1: ...Confidential MULTIFUNCTION EQUIPMENT SERVICE MANUAL MODELS DCP750CW DCP540CN DCP330C DCP130C ...
Page 9: ...vii Confidential Legal limitations for copying ...
Page 10: ...Confidential CHAPTER 1 PARTS NAMES AND FUNCTIONS ...
Page 16: ...1 5 Confidential 1 2 CONTROL PANEL Models with color LCD 1 2 3 4 5 10 9 8 7 6 Color Black ...
Page 17: ...1 6 Confidential Ink ...
Page 18: ...1 7 Confidential Models with monochrome LCD 1 2 3 4 5 10 9 8 7 6 ...
Page 19: ...1 8 Confidential ...
Page 21: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 39: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 88: ...Confidential CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING ...
Page 131: ...Confidential CHAPTER 6 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 209: ...Confidential CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 222: ...7 11 Confidential Head Positioning Test Pattern ...
Page 226: ...7 15 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 227: ...7 16 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 229: ...7 18 Confidential Vertical Alignment Check Patterns 600DPI 1200DPI ...
Page 232: ...7 21 Confidential Margin Check Pattern ...
Page 241: ...Confidential CHAPTER 8 CLEANING ...
Page 245: ...Confidential CHAPTER 9 MAINTENANCE MODE ...
Page 253: ...9 6 Confidential Scanning Compensation Data List a b c d e f i ...
Page 256: ...9 9 Confidential Test Pattern ...
Page 261: ...9 14 Confidential Configuration List ...
Page 269: ...9 22 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 270: ...9 23 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 275: ...9 28 Confidential Vertical Alignment Check Patterns 600DPI 1200DPI ...
Page 278: ...9 31 Confidential Margin Check Pattern ...
Page 381: ...Confidential Power supply PCB U S A and Canadian models ...
Page 382: ...Confidential Power supply PCB European Asian and Oceanian models ...
Page 383: ...Confidential January 07 SM FAX054 8CAA01 2 Printed in Japan ...