Confidential
CHAPTER 4
ERROR INDICATION AND TROUBLESHOOTING
This chapter details error messages and codes that the incorporated self-diagnostic functions display if
any error or malfunction occurs. If any error message appears, refer to this chapter to find which
components should be checked or replaced.
The latter half of this chapter provides sample problems that could occur in the main sections of the
machine and related troubleshooting procedures. This will help service personnel pinpoint and repair
defective components.
CONTENTS
Error messages appearing on the LCD............................................. 4-2
Error codes contained in "MACHINE ERROR X X" messages ......... 4-7
Checking Prior to Troubleshooting ............................................................ 4-31
Troubleshooting Based on Problem Type ................................................. 4-33
Control panel and LCD problems ...................................................... 4-33
Communications problems................................................................ 4-33
Paper/document feeding problems ................................................... 4-34
Print-image problems ........................................................................ 4-35
PC-driven printing problems.............................................................. 4-40
Problems Encountered Frequently in the Past.......................................... 4-42
"MACHINE ERROR 4F" error message............................................ 4-43
Ink-related problems ......................................................................... 4-43
Auto document feeder (ADF) malfunction ......................................... 4-44
Possible Component Defects and Resulting Problems............................. 4-45
ADF mechanism................................................................................ 4-45
Scanner mechanism ......................................................................... 4-46
Head/carriage unit drive and purge mechanisms.............................. 4-47
Summary of Contents for MFC 5490CN - Color Inkjet - All-in-One
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Page 142: ...Confidential CHAPTER 5 HANDLING DATA HELD IN THE MACHINE PRIOR TO REPAIR ...
Page 149: ...Confidential CHAPTER 6 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 240: ...Confidential CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 246: ...7 4 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 254: ...7 12 Confidential Head Positioning Test Pattern ...
Page 258: ...7 16 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 259: ...7 17 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Page 261: ...7 19 Confidential Vertical Alignment Check Patterns 2 2 ...
Page 265: ...7 23 Confidential Left and Right Margin Check Pattern ...
Page 266: ...7 24 Confidential Bottom Margin Check Pattern ...
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Page 279: ...Confidential CHAPTER 8 CLEANING ...
Page 283: ...Confidential CHAPTER 9 MAINTENANCE MODE ...
Page 291: ...9 6 Confidential Scanning Compensation Data List ...
Page 294: ...9 9 Confidential Test Pattern ...
Page 299: ...9 14 Confidential Configuration List ...
Page 314: ...9 29 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Page 315: ...9 30 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
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Page 356: ...App 2 3 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 436: ...App 6 4 Confidential B Power supply PCB 100 V series ...
Page 437: ...App 6 5 Confidential B Power supply PCB 200 V series ...