Read Sharp MX-FN14 Service Manual online
Parts marked with “
“ are important for maintaining the safety of the set.
Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.
SERVICE MANUAL
SHARP CORPORATION
COPIER OPTIONS
FINISHER
FINISHER
PUNCH UNIT
MX-FN14
MX-PN10
CODE : 00ZMXFN14/S1E
SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 - 5
[ 1 ] PRODUCT OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1
[ 2 ] TECHNICAL DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1
[ 3 ] MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1
[ 4 ] DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . 4 - 1
[ 5 ] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 1
[ 6 ] ACTUAL WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 1
[ 7 ] PUNCH SECTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 1
CONTENTS
MODEL
MX-FN14
MX-PN10
0
0
0-1
0-1
Description
on
marks
The
following
marks
are
used
in
this
Service
Manual.
Mark
Meaning
Mark
Meaning
Indicates
that
connectors
are
disconnected.
Indicates
that
a
screw
is
removed.
Indicates
that
connectors
are
connected.
Indicates
that
a
screw
is
attached.
Indicates
that
wires
are
disengaged
from
a
cable
guide
or
wire
saddle.
Indicates
that
a
pawl
is
disengaged.
Indicates
that
wires
are
engaged
with
a
cable
guide
or
wire
saddle.
Indicates
that
a
pawl
is
engaged.
The
descriptions
on
this
Service
Manual
are
based
on
the
following
principles.
1.
E
ac
h
c
h
ap
te
r
d
e
sc
ri
b
e
s
th
e
p
u
rp
o
se
a
n
d
t
h
e
r
o
le
o
f
e
ac
h
f
u
n
c
ti
o
n
,
th
e
r
e
la
ti
o
n
sh
ip
between
the
electrical
system
and
the
mechanical
system,
and
the
operating
timing
of
each
part.
"
"
on
the
drawings
indicates
mechanical
drive
transmission.
If
is
used
together
with
a
signal
name,
it
indicates
a
flow
of
electricity.
"Power
supply"
in
each
chapter
indicates
that
the
power
switch
is
turned
ON,
that
the
front
door
is
closed,
that
the
paper
exit
door
is
closed,
and
that
the
power
is
supplied
to
the
machine.
2.
In
the
descriptions
of
the
digital
circuits
of
this
machine,
“1”
is
used
when
the
voltage
le
ve
l
o
f
a
si
gn
al
i
s
h
ig
h
,
an
d
“
0
”
i
s
u
se
d
w
h
e
n
i
t
is
l
o
w
.
T
h
e
v
o
lt
ag
e
v
al
u
e
,
h
o
w
e
ve
r,
depends
on
the
circuit.
Though
a
CPU
is
used
in
this
machine,
since
the
internal
operation
check
of
the
CPU
is
v
ir
tu
al
ly
i
m
p
o
ss
ib
le
,
th
e
o
p
e
ra
ti
n
g
d
e
sc
ri
p
ti
o
n
s
o
f
th
e
C
P
U
a
re
o
m
it
te
d
.
In
a
d
d
it
io
n
,
si
n
c
e
t
h
e
p
ri
n
te
d
b
o
ar
d
i
s
n
o
t
re
p
ai
re
d
o
n
t
h
e
c
u
st
o
m
e
r
si
d
e
i
n
p
ri
n
c
ip
le
,
th
e
c
ir
c
u
it
descriptions
of
the
printed
board
are
limited
to
rough
descriptions
using
block
diagrams.
Therefore,
the
circuit
descriptions
are
provided
in
the
following
three
kinds:
D
e
sc
ri
p
ti
o
n
s
fr
o
m
t
h
e
s
e
n
so
r
to
t
h
e
i
n
p
u
t
se
c
ti
o
n
o
f
th
e
c
ir
c
u
it
b
o
a
rd
w
h
ic
h
i
s
provided
with
the
control
function
and
the
drive
function.
Descriptions
from
the
output
section
of
the
circuit
board
which
is
provided
with
the
control
function
and
the
drive
function.
Descriptions
of
the
block
diagram
of
each
function.
including
the
sensors
and
the
input
section
of
the
circuit
board
which
is
provided
with
the
control
function
and
drive
function.
S
o
m
e
d
e
sc
ri
p
ti
o
n
s
m
ay
b
e
c
h
an
ge
d
a
c
c
o
rd
in
g
to
m
o
d
if
ic
at
io
n
s
o
n
t
h
e
p
ro
d
u
c
ts
,
an
d
t
h
e
in
fo
rm
at
io
n
o
n
a
n
y
c
h
an
ge
w
ill
b
e
i
n
fo
rm
e
d
b
y
S
e
rv
ic
e
I
n
fo
rm
at
io
n
(
T
e
c
h
n
ic
al
I
n
fo
rm
at
io
n
)
occasionally.
T
o
r
e
a
d
t
h
is
S
e
rv
ic
e
M
a
n
u
a
l
a
n
d
S
e
rv
ic
e
I
n
fo
rm
a
ti
o
n
(
T
e
c
h
n
ic
a
l
In
fo
rm
a
ti
o
n
)
is
s
u
e
d
o
c
c
a
si
o
n
a
lly
f
o
r
u
n
d
e
rs
ta
n
d
in
g
th
e
m
a
c
h
in
e
f
u
lly
a
n
d
c
o
rr
e
c
tl
y
i
s
a
n
a
d
v
is
a
b
le
w
a
y
f
o
r
obtaining
the
skills
and
knowledge
to
maintain
the
product
performa
nce
for
a
longer
time
and
to
perform
troubleshooting
efficiently.
•
•
•
0
0
0-2
0-2
CONTENTS
SAFETY PRECA
UTION
S
Note
before
servicing
-------------------------------------
0-
5
PR
ODUCT OUTLIN
E
Features
------------------------------------------------
1-
1
Specifications
--------------------------------------------
1-
1
Part
names
of
each
section
--------------------------------
1-
3
Optional
composition
--------------------------------------
1-
5
TECHNICAL DESCRIPTION
S
Basic
Composition
----------------------------------------
2-
1
Interface
Section
-----------------------------------------
2-
3
Transport
Section
----------------------------------------
2-
3
Load
Tray
Section
----------------------------------------
2-
9
Process
Tray
Section
------------------------------------
2-1
2
Controller
Section
---------------------------------------
2-1
9
Jam
Detection
------------------------------------------
2-2
0
Power
Source
-------------------------------------------
2-2
1
MAINTEN
ANC
E
Periodic
Servicing
Works
List
-------------------------------
3-
1
Maintenance
List
-----------------------------------------
3-
2
DISASSEMBL
Y AND ASSEMBL
Y
Parts
View
----------------------------------------------
4-
1
External/Internal
Cover
-----------------------------------
4-1
0
Major
Units
---------------------------------------------
4-1
3
Periodic/Consumable
Parts,
Cleaning
Positions
---------------
4-2
3
Motors
-------------------------------------------------
4-3
9
PWB's
-------------------------------------------------
4-5
5
Rollers
-------------------------------------------------
4-5
9
ADJUSTMENT
S
Outline
-------------------------------------------------
5-
1
Operational
Descriptions
of
Service
Mode
---------------------
5-
1
Finisher
Punch
Paper
Edge
Sensor
adjustment
-----------------
5-
2
Finisher
Punch
Dust
Full
Sensor
adjustment
-------------------
5-
2
Set
value
display
-----------------------------------------
5-
3
Adjustments
When
Replacing
Parts
--------------------------
5-
4
A
CTU
AL WIRING DIA
GRA
M
PUNCH SECTIO
N
Product
Outline
------------------------------------------
7-
1
Technical
Descriptions
------------------------------------
7-
3
Disassembly
and
Assembly
--------------------------------
7-1
1
Actual
wiring
diagram
-------------------------------------
7-1
6
0
0
0-5
0-5
SAFETY
PRECAUTIONS
SAFETY
PRECAUTIONS
SAFETY
PRECAUTIONS
Note
before
servicing
Note:
Before
servicing,
be
sure
to
turn
OFF
the
power
by
the
specified
procedures
and
disconnect
the
power
plug
from
the
power
outlet.
Note:
D
u
ri
n
g
e
xe
c
u
ti
o
n
o
f
do
w
n
lo
ad
in
g,
d
o
n
o
t
tu
rn
O
F
F
t
h
e
p
o
w
e
r
sw
it
c
h
.
If
t
h
e
p
o
w
e
r
sw
it
c
h
is
turned
OFF
during
execution
of
downloading,
the
machine
may
not
be
operated.
