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4-19
Confidential
Error Code
(Hex)
Symptom
Probable Cause
Solution
8A
The paper feed motor
does not rotate.
Foreign materials in the
machine
Remove foreign materials.
Paper feed motor harness not
connected correctly
Reconnect the paper feed
motor harness.
Abnormal load applied to the
paper feed roller
PF-related gear(s) broken
Replace the PF-related gear(s).
PF encoder disk stained or
scratched
Replace the PF encoder disk.
PF encoder sensor defective
Replace the PF encoder/
registration sensor harness unit.
Paper feed motor defective
Replace the engine unit.
Main PCB defective
Replace the main PCB.
8B
The paper feed motor
stops suddenly.
Abnormal load applied to the
paper feed roller
PF-related gear(s) broken
Replace the PF-related gear(s).
PF encoder disk stained or
scratched
Replace the PF encoder disk.
PF encoder sensor defective
Replace the PF encoder/
registration sensor harness unit.
Paper feed motor defective
Replace the engine unit.
Main PCB defective
Replace the main PCB.
8C
Current protection for
the driver IC activated in
paper feeding operation.
The driving current has
exceeded the limit due to an
abnormal load applied to the
PF-related gears and rollers.
Replace the PF encoder disk.
Replace the engine unit.
Replace the main PCB.
8D
The paper feed motor
rotates in the reverse
direction.
PF encoder disk stained or
scratched
Replace the PF encoder disk.
PF encoder disk dislocated
PF encoder sensor defective
Replace the PF encoder/
registration sensor harness unit.
Paper feed motor defective
Replace the engine unit.
Abnormal load applied to the
paper feed roller
Check the PF roller gear and its
related gears.
Main PCB defective
Replace the main PCB.
8E
Not used.
Summary of Contents for MFC 5490CN - Color Inkjet - All-in-One
Page 7: ...v Confidential SAFETY PRECAUTIONS ...
Page 8: ...vi Confidential ...
Page 9: ...vii Confidential ...
Page 10: ...viii Confidential ...
Page 11: ...ix Confidential ...
Page 12: ...x Confidential ...
Page 13: ...xi Confidential ...
Page 14: ...Confidential CHAPTER 1 PARTS NAMES AND FUNCTIONS ...
Page 18: ...1 3 Confidential 1 2 CONTROL PANEL 11 10 8 9 7 1 2 3 4 5 6 ...
Page 19: ...1 4 Confidential ...
Page 21: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 28: ...2 6 Confidential 2 2 SPECIFICATIONS LIST ...
Page 29: ...2 7 Confidential ...
Page 30: ...2 8 Confidential ...
Page 31: ...2 9 Confidential ...
Page 32: ...2 10 Confidential ...
Page 33: ...2 11 Confidential ...
Page 34: ...2 12 Confidential ...
Page 35: ...2 13 Confidential ...
Page 36: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 88: ...Confidential CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING ...
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 ...
Page 276: ...7 34 Confidential A B C D ...
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 ...
Page 320: ...9 35 Confidential Vertical Alignment Check Patterns 1 2 ...
Page 321: ...9 36 Confidential Vertical Alignment Check Patterns 2 2 ...
Page 325: ...9 40 Confidential Left and Right Margin Check Pattern ...
Page 326: ...9 41 Confidential Bottom Margin Check Pattern ...
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 ...