Kyocera TASKalfa 7002i Service Manual page 1305

C8110: DF shift motor 1 error
Object: 4000-sheet finisher
The DF shift sensor 1 does not turn ON or OFF when driving DF shift motor 1 for 3s.
Step Check description
1 Checking the front shift
guide
2 Checking the front shift
guide drive components
3 Checking the connection
4 Replacing DF shift motor 1 DF shift motor 1 is faulty.
5 Checking DF shift sensor 1 DF shift sensor 1 is not
6 Replacing the DF main
PWB
Assumed cause
The front shift guide is not
assembled properly.
The front shift guide drive
parts are not properly
attached or faulty.
The connector is not prop-
erly connected. Or, the
wire is faulty.
properly attached or faulty.
The DF main PWB is
faulty.
7-445
Measures
If the front shift guide is not
shifted manually, repair the
part that restricts the opera-
tion.
Reattach the front shift guide
drive parts. If not repaired,
replace them.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. •DF shift motor 1 -
DF main PWB • DF shift sen-
sor 1 - DF main PWB
Replace DF shift motor 1.
Reattach DF shift sensor 1
and execute U241 [Finisher]
> [Shift Front HP]. If the sen-
sor does not properly oper-
ate, replace it.
Replace the DF main PWB.
2WA/2NJ/2RK
Reference
Wiring dia-
gram
Executing
U241
Detaching
and reat-
taching the
DF main
PWB