4 - 3 0
Confidential
Problems due to machine malfunction
Check
Possible causes
Problems that may result
Head/carriage unit
- Air bubbles, high viscosity ink,
or foreign materials have found
their way into the head/carriage
unit.
- Head flat cables are broken.
- The carriage-head flat cable has
not been inserted into the carriage
PCB.
Dot missing occurs on the
printout.
The machine will not be able to
print or drive the head/carriage
unit.
Maintenance unit
- Air bubbles, high viscosity ink,
or foreign materials get into the
maintenance unit.
- Torque not transmitted.
- Drain tube bent or pinched.
Head cleaning operation will
not be possible and/or the
maintenance unit will not work.
CIS unit
The CIS unit is weak in identifying
colors.
The quality of print colors in
copying operation will be low.
[ 4 ] Auto document feeder (ADF) malfunction (For models with ADF)
An ADF failure may occur not only due to machine malfunction but also to the user's actions.
Problems due to the user's actions
Check
Possible causes
Problems that may result
Document guides
The document guides are not
positioned to match the width of
document(s) loaded.
Documents will skew.
Inside the ADF
- Foreign materials have found
their way into ADF.
- The size of the document loaded
is smaller than the specified size.
Foreign materials can hinder
document feeding.
The document will jam inside
the ADF.
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 ...