2-89
Confidential
■
Black band
■
Downward fogging of solid black
■
Horizontal lines
User Check
• Clean the inside of the machine and the corona wire in the drum
unit. If the same problem occurs after cleaning, replace the drum
unit with a new one.
• The paper tray ground terminal provided in the machine body may
be dirty. Clean the contact with a dry cloth.
Step
Cause
Remedy
1
Bend of tray ground spring
(1) Correct bending of the tray ground spring.
(2) Replace the paper tray.
User Check
• Replace the toner cartridge with a new one.
Step
Cause
Remedy
1
High voltage power supply PCB
ASSY failure
Replace the high voltage power supply
PCB ASSY.
2
Main PCB failure
Replace the main PCB ASSY.
User Check
• The paper tray ground terminal provided in the machine
body may be dirty. Clean the contact with a dry cloth.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
Step
Cause
Remedy
1
Dirt on the electrodes of the drum
unit and the machine body
Clean the electrodes of the drum unit and
machine body. (Refer to
)
2
Bend of tray ground spring
(1) Correct bending of the tray ground spring.
(2) Replace the paper tray.
3
Laser unit failure
Replace the laser unit.
4
Scratch and Dirt on the heat roller
(horizontal stripes at 53.4 mm)
Replace the fuser unit.
Содержание DCP 7065DN
Страница 21: ...CHAPTER 1 SPECIFICATIONS ...
Страница 35: ...CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 44: ...2 7 Confidential ADF part Fig 2 5 Left Side Right Side Document feed path Face up ...
Страница 142: ...CHAPTER 3 DISASSEMBLY REASSEMBLY ...
Страница 157: ...3 13 Confidential 4 New toner sensor PCB ASSY New toner sensor PCB ASSY Main PCB ASSY Guide ...
Страница 158: ...3 14 Confidential 5 T1 clutch ASSY REG clutch ASSY Main PCB ASSY REG clutch ASSY T1 clutch ASSY Guide Guide Guide ...
Страница 169: ...3 25 Confidential 21 Hook switch PCB Guide Main PCB ASSY Hook switch PCB Side cover L ...
Страница 183: ...3 39 Confidential 4 Remove the support flap 1 from the front cover ASSY Fig 3 20 Support flap 1 Front cover ASSY ...
Страница 194: ...3 50 Confidential 9 10 6 Gear Cover 1 Release the hook to remove the gear cover Fig 3 34 1a 1b Gear cover Hook ...
Страница 252: ...Confidential CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 264: ...CHAPTER 5 SERVICE FUNCTIONS ...
Страница 271: ...5 5 Confidential Black and white scanning Fig 5 1 ...
Страница 311: ...Confidential CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Страница 313: ...6 1 Confidential 1 CIRCUIT DIAGRAMS High Voltage Power Supply PCB Circuit Diagram MURATA ...
Страница 314: ...6 2 Confidential High Voltage Power Supply PCB Circuit Diagram Panasonic ...
Страница 315: ...6 3 Confidential Low Voltage Power Supply PCB Circuit Diagram 115V EDPS 62AF A Delta ...
Страница 316: ...6 4 Confidential Low Voltage Power Supply PCB Circuit Diagram 115V MPW3058 MURATA ...
Страница 317: ...6 5 Confidential Low Voltage Power Supply PCB Circuit Diagram 230V EDPS 62BF A Delta ...
Страница 318: ...6 6 Confidential Low Voltage Power Supply PCB Circuit Diagram 230V MPW3059 MURATA ...
Страница 319: ...6 7 Confidential NCU PCB Circuit Diagram U S A Canada ...
Страница 320: ...6 8 Confidential NCU PCB Circuit Diagram Europe Oceania ...
Страница 321: ...6 9 Confidential NCU PCB Circuit Diagram China Asia Gulf ...
Страница 322: ...6 10 Confidential 2 WIRING DIAGRAM Wiring diagram ...
Страница 323: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Страница 324: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE CONTENTS 1 PERIODICAL REPLACEMENT PARTS 7 1 ...
Страница 325: ...7 1 Confidential 1 PERIODICAL REPLACEMENT PARTS There are no parts to be replaced periodically ...
Страница 326: ...APPENDIX 1 SERIAL NUMBERING SYSTEM Confidential ...
Страница 330: ...APPENDIX 3 INSTALLING THE MAINTENANCE DRIVER Confidential ...
Страница 334: ...App 3 4 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...
Страница 336: ...APPENDIX 4 HOW TO MAKE PROTECTIVE MATERIAL OF DRUM UNIT Confidential ...