Brother International HL-3400CN Service Manual - Page 282
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CHAPTER 8 TROUBLESHOOTING Error Code Name of Part D5 Developer Solenoid (PSL KY) Confirm the connection of Connector. Is the connection proper between ECN3 of 1OD2 and Solenoid (PSL YM) ? N Connect the harness. Is the harness of Solenoid (PSL KY) broken ? YES 4 V Check the voltage at (PSL YM) ON-N. 4 4NO
CHAPTER
8
TROUBLESHOOTING
Error
Code
D5
Name
of
Part
Developer
Solenoid
(PSL
KY)
Confirm
the
connection
of
Connector.
N
Is
the
connection
proper
between
ECN3
of
1OD2
and
Solenoid
(PSL
YM)
?
Connect
the
harness.
Is
the
harness
of
Solenoid
(PSL
KY)
broken
?
Connect
the
connector
properly
YES
4
V
Is
D5
Error
cleared
?
YES
Complete
Check
the
voltage
at
(PSL
YM)
ON
-N.
NO
4
<Does
the
voltage
drop
(
24
v)
between
ECN3-10
and
ECN2-6'?
YES
—
1
0.
Replace
the
front
cover
unit
with
a
new
unit.
4
NO
<Does
the
voltage
jump
LI
—
)
between
ECN1-5and
ECN2-8
?
>
YES
Replace
1OD2
PCB
with
a
new
one.
—I
4
NO
4
V
Replace
current
MCTL
PCB
with
a
new
one.
4
Is
D5
Error
cleared
YES
NO
Is
D5
Error
cleared
?
Complete
Re
-check
MCTC
12CN
5
NO
10D2
PSL(KY)0N-P
+24V-1
PGND
SGND
ECN1
ECN3
5
9
ECN2
3
6
8
10
YES
®
+24V-1
PSL(KY)ON-N
Complete
PSL
KY