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19. TROUBLE CODE
Field Service Ver. 2.0 Jul. 2009
822
TROUBLESHOOTING
19.5.156 C6901: DSC board mount failure 1
19.5.157 C6902: DSC board bus check NG1-1
19.5.158 C6903: DSC board bus check NG1-2
19.5.159 C6F01: Scanner sequence trouble 1
19.5.160 C8101: Before reading pressure welding alienation mechanism
Relevant parts
DSC board (SC-507)
MFP board (MFPB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Correct the harness connection of DSC
board if faulty.
—
—
2
Change DSC board
—
—
3
Change MFPB
—
—
Relevant parts
MFP board (MFPB)
DF control board (DFCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Correct the harness connection between
main body and ADF if faulty.
—
—
2
Change DFCB
—
—
3
Change MFPB
—
—
Relevant parts
Reading roller pressure/retraction motor (M4)
Read roller sensor (PS6)
DF control board (DFCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the motor and sensor connectors for
proper connection, and correct as neces-
sary.
—
—
2
Check the connector of M4 for proper drive
coupling, and correct as necessary.
—
—
3
PS6 I/O check, sensor check
DFCB PJ6-3 (ON)
DF-618 I-4
4
M4 operation check
DFCB PJ6-5 to 6
DF-618 I-4
5
Change M4
—
—
6
DFCB PS3 conduction check
—
—
7
Change DFCB
—
—
Service Manual Y110571-1
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...