Brother International HL-3400CN Service Manual - Page 293
Brother International HL-3400CN - Color Laser Printer Manual
UPC - 012502526223
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Error Code Concerned Part EL Erase Lamp (EL) Confirm the connection of a erase lamp connector. V NO Is DCN7 of IOD1 properly connected with a connector of the erase lamp Is DCN1 of IOD1 properly connected with 11CN of MCTL PCB ? OYES Check the voltage (ELON-N/P) 4
HL-3400ON
SERVICE
MANUAL
Error
Code
EL
Concerned
Part
Erase
Lamp
(EL)
Confirm
the
connection
of
a
erase
lamp
connector.
V
Is
DCN7
of
IOD1
properly
connected
with
a
connector
of
the
erase
lamp
Is
DCN1
of
IOD1
properly
connected
with
11CN
of
MCTL
PCB
?
O
YES
NO
Check
the
voltage
(ELON-N/P)
4
<Is
a
single
voltage
between
DCN7-11
and
DCN2-25
to
be
a
trailing
edge
YES
_t
-
V
NO
<Is
a
single
voltage
between
DCN1-27
and
44
of
1OD2
to
be
a
rising
edge
>
YES
4
4
T
NO
Connect
them
properly.
Is
EL
error
cleared
?
}NO
YES
Replace
the
LED
PCB.
H
Replace
the
IOD1
PCB.
Is
EL
error
cleared
?
YES
V
Job
is
complete.
N
Replace
the
MCTL
PCB.
MCTL
11
CN
44
27
Job
is
complete.
Relay
Connector
IOD1
0
DCN1
DCN7
®
+24V-1
PGND
44
10
1
ELON-P
27
11
ELON-N
2
9
PGND
DCN2
25
Erase
Lamp
1
+24V-1
2
ELON-N
EL
8-35