d-Color MF651/551/451
9-13
9.3
If print quality is deteriorated
9
9.3
If print quality is deteriorated
Cleaning the electrostatic charger wire
If the electrostatic charger wire is dirty, streaks will appear though the printed images. If this occurs, follow
the procedure described below to clean the electrostatic charger wire.
0
When replacing the waste toner box, follow the "Quick Guide" to clean the electrostatic charger wire.
1
Open the machine's lower front door.
2
Slowly pull out the charger-cleaning tool as far as possible. Next,
slowly push in the charger-cleaning tool as far as possible.
Repeat the above operations three times.
3
Securely insert the charger-cleaning tool, and then close the front door.
Summary of Contents for d-color MF451
Page 1: ...COPY OPERATION d Color MF651 553603en GB d Color MF451 d Color MF551...
Page 9: ...1 Introduction...
Page 10: ......
Page 15: ...2 Part names and their functions...
Page 16: ......
Page 35: ...d Color MF651 551 451 2 21 2 3 Option 2 2 3 3 Z Folding Unit ZU 606...
Page 42: ...Option 2 2 28 d Color MF651 551 451 2 3...
Page 43: ...3 Using this machine...
Page 44: ......
Page 53: ...4 Control Panel Keys...
Page 54: ......
Page 74: ...The Proof Copy key 4 4 22 d Color MF651 551 451 4 11...
Page 75: ...5 Copy Function...
Page 76: ......
Page 139: ...6 User Settings...
Page 140: ......
Page 153: ...7 Administrator Settings...
Page 154: ......
Page 211: ...8 Maintenance...
Page 212: ......
Page 224: ...Cleaning procedure 8 8 14 d Color MF651 551 451 8 3...
Page 225: ...9 Troubleshooting...
Page 226: ......
Page 240: ...If print quality is deteriorated 9 9 16 d Color MF651 551 451 9 3...
Page 241: ...10 Authentication unit biometric type...
Page 242: ......
Page 261: ...11 Authentication unit IC card type...
Page 262: ......
Page 279: ...12 Specifications...
Page 280: ......
Page 299: ...13 Appendix...
Page 300: ......
Page 309: ...14 Index...
Page 310: ......
Page 320: ...Index by button 14 14 12 d Color MF651 551 451 14 2...