
Field Service Ver. 2.0 Jul. 2009
18. MALFUNCTION CODE
711
TROUBLESHOOTING
18.3.4
P-5: IDC sensor (front) failure
18.3.5
P-28 IDC sensor (rear) failure
18.3.6
P-6: Cyan imaging unit failure
18.3.7
P-7: Magenta imaging unit failure
18.3.8
P-8: Yellow imaging unit failure
18.3.9
P-9: Black imaging unit failure
Relevant parts
IDC registration sensor/F (IDCS/F)
IDC registration sensor/R (IDCS/R)
Printer control board (PRCB)
High voltage unit/1 (HV1)
Transfer belt unit
Step
Action
1
Wipe clean the surface of the transfer belt with a soft cloth, if it is dirty.
2
Change the image transfer belt unit if the transfer belt is damaged.
3
Reinstall or reconnect IDCS/F or IDCS/R, sensor shutter or connector, if it is installed or con-
nected improperly.
4
Clean IDCS/For IDCS/R if it is dirty.
5
Check the HV1 connector for proper connection and correct as necessary.
6
Open/close the front door, run an image stabilization sequence, and select [State Confirmation]
o
[Level History 1] to check the IDC value.
IDC1: IDCS/F, IDC2: IDCS/R
If the value is 1.0 V or less, change IDCS/F or IDCS/R.
7
PRCB ICP17 conduction check
8
Change PRCB.
Relevant parts
Imaging unit /C
Imaging unit /M
Imaging unit /Y
Drum unit /K
Transfer belt unit
High voltage unit/1 (HV1)
Printer control board (PRCB)
Step
Action
1
Select [Imaging Process Adjustment]
o
[D Max Density] and, if the setting value is negative,
readjust.
2
Check the drive transmission portion of the Imaging Unit and correct as necessary.
3
Clean the IDC/registration sensor/F (IDCS/F) or IDC/registration sensor/R (IDCS/R) window if
dirty.
4
Clean the contact of the imaging unit connector if dirty.
5
Check the HV1 connector for proper connection and correct as necessary.
6
Change imaging unit.
7
Change the transfer belt unit.
8
HV1 IP101, IP201, IP301 or IP401 conduction check
9
Change HV1.
10
Change PRCB.
Y110571-1 Service Manual
Содержание d-color MF651
Страница 1: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Страница 24: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page...
Страница 27: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Страница 511: ...Field Service Ver 2 0 Jul 2009 10 UTILITY 451 ADJUSTMENT SETTING Blank Page Y110571 1 Service Manual...
Страница 716: ...16 MECHANICAL ADJUSTMENT Field Service Ver 2 0 Jul 2009 656 ADJUSTMENT SETTING Blank Page Service Manual Y110571 1...
Страница 1053: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 10 2009 1ST EDITION 1053053 Y110571 1...