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17. JAM DISPLAY
Field Service Ver. 2.0 Jul. 2009
686
TROUBLESHOOTING
17.3.15
ADF paper feed section
17.3.16
ADF transport section
Relevant parts
Take-up motor (M2)
After separate sensor (PS4)
Length sensor/1 (PS10)
Length sensor/2 (PS11)
Length sensor/3 (PS12)
DF control board (DFCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Initial check items
—
—
2
PS4 I/O check, sensor check
DFCB PJ11-5 (ON)
DF-618 B-5
3
PS10 I/O check, sensor check
REYB PJ5-12 (ON)
DF-618 K to L-8
4
PS11 I/O check, sensor check
REYB PJ5-8 (ON)
DF-618 K to L-9
5
PS12 I/O check, sensor check
REYB PJ5-6 (ON)
DF-618 K to L-9
6
M2 operation check
DFCB PJ8-5 to 10
DF-618 I-6
7
Change DFCB
—
—
Relevant parts
Registration motor (M7)
Take-up motor (M2)
Registration sensor (PS3)
After separate sensor (PS4)
Before read sensor (PS9)
DF control board (DFCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Initial check items
—
—
2
Adjust the height of the guide support for
the original glass moving unit.
See P.646
—
—
3
PS3 I/O check, sensor check
DFCB PJ10-11 (ON)
DF-618 B-3
4
PS4 I/O check, sensor check
DFCB PJ11-5 (ON)
DF-618 B-5
5
PS9 I/O check, sensor check
DFCB PJ14-8 (ON)
DF-618 B-6
6
M7 operation check
DFCB PJ9-5 to 8
DF-618 I-5
7
M2 operation check
DFCB PJ8-5 to 10
DF-618 I-6
8
Change DFCB
—
—
Service Manual Y110571-1
Summary of Contents for d-color MF651
Page 1: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Page 24: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page...
Page 27: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Page 1053: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 10 2009 1ST EDITION 1053053 Y110571 1...