Brother International HL-3400CN Service Manual - Page 279
ECN2-6?
UPC - 012502526223
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HL-3400CN SERVICE MANUAL Error Code Name of Part D2 Developer Clutch (DCLM) Confirm the connection of Connector. Is the connection proper between ECN15 of 1OD2 and Clutch (DCLM) ? NO Connect the harness. Is the harness of Clutch (DCLM) broken ? Connect the connector properly. YES 4 • Check the voltage at DCLM ON-N. Is D2 Error cleared ? NO `Does the voltage drop( 4 24v)between ECN15-3 and ECN2-6? YES jp Replace the clutch (DCLM) with a new clutch. +NO YES V Replace IOD2 PCB with a new one. 4NO V Replace current MCTL PCB with a new one. III Is D2 Error cleared ? > NO YES YES Is D2 Error cleared ? 4 YES Complete N Re-check MCTL 14 IOD2 12C 2 DCL(M)0N-P-E2CN1 ECN115 g +24V-1 3 DCL(M)ON-N +24V-1 ECN2 3 PGND SGND 6 8 Complete Complete 8-21
HL-3400CN
SERVICE
MANUAL
Error
Code
D2
Name
of
Part
Developer
Clutch
(DCLM)
Confirm
the
connection
of
Connector.
Is
the
connection
proper
between
ECN15
of
1OD2
and
Clutch
(DCLM)
?
Is
the
harness
of
Clutch
(DCLM)
broken
?
YES
4
•
NO
Check
the
voltage
at
DCLM
ON
-N.
4
`Does
the
voltage
drop(
24
v)between
ECN15-3
and
ECN2-6?
+NO
<Does
the
voltage
jump(i
—
)between
ECN1-2
and
ECN2-8
?
>
YES
4
NO
V
Replace
current
MCTL
PCB
with
a
new
one.
Is
D2
Error
cleared
?
4
YES
Complete
N
Connect
the
harness.
Connect
the
connector
properly.
Is
D2
Error
cleared
?
NO
YES
YES
jp
Replace
the
clutch
(DCLM)
with
a
new
clutch.
V
Replace
IOD2
PCB
with
a
new
one.
III
Is
D2
Error
cleared
?
>
YES
NO
Re
-check
MCTL
14
IOD2
12C
DCL(M)0N-P
ECN
1
1
ECN
15
-
2
2
+24V-1
PGND
SGND
3
ECN2
3
6
8
g
+24V-1
Complete
Complete
DCL(M)ON-N
8-21