d-Color MF651/551/451
9-11
9.2
Troubleshooting table
9
Authentication information en-
tered is invalid, due to failed ac-
cess attempts.
Contact the administrator.
The authentication information
has become invalid since the au-
thentication attempts have failed
the specified number of times.
Contact the administrator of the
machine.
Due to failed access attempts,
the current administrator pass-
word is invalid.
The administrator password has
become invalid since the authen-
tication attempts have failed the
specified number of times.
Turn the machine off, then on
again.
Turn off the main power switch,
and then wait at least 10 sec-
onds before turning it on again.
The job log has reached the
maximum allowed.
Contact the administrator.
The write area of the job log has
reached the maximum allowed.
Obtain the job log using Web
Connection.
No Animation Guide data availa-
ble. Contact your administrator.
Animation guide data is not in-
stalled.
For details on installing anima-
tion guide data, contact your
service representative.
Verify that external keyboard is
properly connected. It may not
be connected or multiple key-
boards may be connected.
The compact keyboard is not
connected to this machine.
Turn off the main power of this
machine, connect the compact
keyboard to this machine. Wait
at least 10 seconds, and then
turn on the main power of this
machine.
Message
Cause
Remedy
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...