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4-38
Confidential
Problem
Action to be taken
(7) Ink splash
Printer
• Perform the purge operation (Function code 76) several times to
remove dust or air bubbles from its nozzles. (Refer to
• Check the ink cartridges. Any of them has run out of ink or the ink
viscosity has been increased, so replace it.
• Check the head property data (Refer to
• Check that the main drain tube is not bent.
• Replace the head/carriage unit.
• Replace the main PCB.
• Replace the power supply PCB.
• Replace the maintenance unit.
(8) Print edges not aligned
Printer
• Check the alignment of vertical print lines with Function code 65 in the
maintenance mode. (Refer to
• Perform the print head skew compensation with the head skew adjuster
knob. Refer to
• Check the head/carriage unit.
• Check the CR encoder strip for stains or scratches. (If the CR encoder
strip is not hooked properly, correct it.)
• Correct the positioning error of the head/carriage unit. (Refer to
• Check the height adjustment mechanism of the head/carriage unit
(Refer to
.)
• If the "head-platen gap offset" is enabled with assurance mode switch
AMS 02 (Function code 88), align the vertical print lines (Function
code 65). (Refer to
Chapter 9, Sections 9.4.28 and 9.4.18
.)
(9) Random missing dots
Printer
• Perform the purge operation (Function code 76) several times to
remove dust or air bubbles from its nozzles. (Refer to
• Check the ink cartridges. If any cartridges have run out of ink, replace
them.
• Check that the carriage-head flat cable is connected to the carriage
PCB.
• Replace the head/carriage unit.
• Check the connection of the head flat cables on the main PCB. (If
either of those cables is broken or damaged, replace it.)
• Replace the main PCB.
• Clean the head caps and wiper of the maintenance unit with a Rubycel
stick. For the cleaning procedure, refer to
"CLEANING THE MAINTENANCE UNIT."
• Replace the maintenance unit.
Содержание MFC 5490CN - Color Inkjet - All-in-One
Страница 7: ...v Confidential SAFETY PRECAUTIONS ...
Страница 8: ...vi Confidential ...
Страница 9: ...vii Confidential ...
Страница 10: ...viii Confidential ...
Страница 11: ...ix Confidential ...
Страница 12: ...x Confidential ...
Страница 13: ...xi Confidential ...
Страница 14: ...Confidential CHAPTER 1 PARTS NAMES AND FUNCTIONS ...
Страница 18: ...1 3 Confidential 1 2 CONTROL PANEL 11 10 8 9 7 1 2 3 4 5 6 ...
Страница 19: ...1 4 Confidential ...
Страница 21: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Страница 28: ...2 6 Confidential 2 2 SPECIFICATIONS LIST ...
Страница 29: ...2 7 Confidential ...
Страница 30: ...2 8 Confidential ...
Страница 31: ...2 9 Confidential ...
Страница 32: ...2 10 Confidential ...
Страница 33: ...2 11 Confidential ...
Страница 34: ...2 12 Confidential ...
Страница 35: ...2 13 Confidential ...
Страница 36: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Страница 88: ...Confidential CHAPTER 4 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 142: ...Confidential CHAPTER 5 HANDLING DATA HELD IN THE MACHINE PRIOR TO REPAIR ...
Страница 149: ...Confidential CHAPTER 6 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 240: ...Confidential CHAPTER 7 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 246: ...7 4 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Страница 254: ...7 12 Confidential Head Positioning Test Pattern ...
Страница 258: ...7 16 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Страница 259: ...7 17 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Страница 261: ...7 19 Confidential Vertical Alignment Check Patterns 2 2 ...
Страница 265: ...7 23 Confidential Left and Right Margin Check Pattern ...
Страница 266: ...7 24 Confidential Bottom Margin Check Pattern ...
Страница 276: ...7 34 Confidential A B C D ...
Страница 279: ...Confidential CHAPTER 8 CLEANING ...
Страница 283: ...Confidential CHAPTER 9 MAINTENANCE MODE ...
Страница 291: ...9 6 Confidential Scanning Compensation Data List ...
Страница 294: ...9 9 Confidential Test Pattern ...
Страница 299: ...9 14 Confidential Configuration List ...
Страница 314: ...9 29 Confidential Paper Feeding Check Pattern for the Paper Feed Roller ...
Страница 315: ...9 30 Confidential Paper Feeding Check Pattern for the Paper Ejection Roller ...
Страница 320: ...9 35 Confidential Vertical Alignment Check Patterns 1 2 ...
Страница 321: ...9 36 Confidential Vertical Alignment Check Patterns 2 2 ...
Страница 325: ...9 40 Confidential Left and Right Margin Check Pattern ...
Страница 326: ...9 41 Confidential Bottom Margin Check Pattern ...
Страница 356: ...App 2 3 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Страница 436: ...App 6 4 Confidential B Power supply PCB 100 V series ...
Страница 437: ...App 6 5 Confidential B Power supply PCB 200 V series ...