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Testing and Troubleshooting
TABLE 19
TROUBLESHOOTING GUIDE
This guide assumes that all modules, devices, and wiring are installed.
Note:
Do NOT change modules or wiring unless power is OFF. If available, use your printer during
troubleshooting operations.
S
Y
M
P
T
O
M
. 1
O P
W
R E
L
D E
s i
n
t o
; t i l
d
p s i
y a l
n o
M
B K
4 -
s i
a l b
. k n
. 2
O P
W
R E
L
D E
s i
o
, n
M
B K
4 -
d
p s i
y a l
s i
a l b
. k n
. 3
M
B K
4 -
s i d
a l p
s y
o h
w
s
t
e h
o f
o l l
w
g n i
e d
a f
t l u
m
e
s s
g a
: e
E C
B R
R E
S U
P
R Y
T O
O R
I N
S C
M
L X
. 4
D
v e
e c i
o r t
b u
s e l
n o
a
a n
g o l
o o l
. s p
4-2
TROUBLESHOOTING
Troubleshooting both the external wiring and
the MXL-IQ System wiring follows the steps
in System Function Checkout on page
2-16. If a fault occurs, refer to the Trouble-
shooting Guide. Locate the type of fault or
any trouble message displayed and follow
the directions in the Corrective Action
column.
P
R
O
B
A
B
E L
C
A
U
S
E
N
o
A
C
a B
e t t
y r
r P
b o
e l
m
o
t n
e h
M
B K
. 4 -
m I
p
o r
e p
a r
d d
e r
s s
n o
M
B K
4 -
N
o
o c
m
m
u
c i n
i t a
n o
e b
w t
e
n e
S
M
B
2 -
a
d n
M
B K
. 4 -
e D
e f
t c
e v i
M
B K
. 4 -
f I
M
O
M
2 -
4 /
s n i
a t
e l l
, d
e d
e f
t c
e v i
e n
w t
o
k r
m
d o
l u
( s e
. ) s
e D
e f
t c
e v i
S
M
B
2 -
E
o r r
s r
n i
o l
p o
w
i r i
g n
a
d n
n i
t s
l l a
i t a
n o
f o
e d
c i v
. s e
Sometimes you can locate a fault quickly
using the Troubleshooting Guide. When
this is not possible, continue with the
checkout procedure on page 2-16 and then
the Troubleshooting Guide until all faults
and troubles are corrected. Then repeat the
checkout procedure to ensure that no
additional problems were introduced and
that the original problem was corrected.
C
O
R
R
E
C
T
V I
E
A
C
T
O I
N
C
e h
k c
A
C
a
d n
a b
e t t
. y r
h C
c e
f k
s u
o
t n
e h
M
S P
. 6 -
C
e h
k c
A
C
a
d n
a b
f I
o p
w
r e
o c
n n
c e
o i t
s n
a
e r
O
, K
h c
r p
p o
r e
s n i
a t
a l l
o i t
. n
d A
u j
t s
o c
r t n
s a
c t
n o
o r t
R l
4 1
o
t n
e h
c
b a
e l
o r f
m
A
N
- N
t 1
t o
e h
d
p s i
y a l
C
r r o
c e
a t
d d
e r
s s
e s
i t t
g n
o
t n
e h
M
t
e h
M
B K
, 4 -
a p
e g
2
. 4 -
h C
c e
t k
e h
c
b a
e l
e b
w t
e e
t n
e h
S
M
R
p e
c a l
t e
e h
M
B K
. 4 -
D
s i
o c
n n
c e
t t
e h
M
O
M
2 -
4 /
o r f
m
t
M
O
M
2 -
4 /
a
d n
e r
m
o
e v
l l a
m
o
u d
s e l
t a
t a
m i
. e
R
p e
a l
e c
a
y n
h t
t a
a c
s u
R
p e
a l
e c
S
M
B
2 -
C
e h
k c
o l
p o
w
i r i
g n
o f
s r
o h
s t r
o ,
e p
(
a p
e g
2
1 -
. ) 1
C
e h
k c
h t
t a
l l a
n a
l a
g o
e d
c i v
s e
r a
I e
t s i l
f o
o c
m
a p
b i t
e l
d
v e
e c i
i s
t n
e h
C
e h
k c
h t
t a
l l a
e d
c i v
s e
a
e r
s n i
a t
e l l
C
e h
k c
h t
t a
l l a
e d
c i v
s e
s n i
l l a t
d e
o c
C
e h
k c
r p
t n i
d e
o r t
b u
e l
t s i l
r o f
D I
o r t
e d
c i v
s e
u
n i s
t g
e h
F
- I P
2 3
r P
g o
a r
m
s e
1 F
a
d n
2 F
o
t n
e h
S
M
B
2 -
n a
t d
e t t
y r
i w
n i r
. g
c e
t k
e h
c
b a
e l
e b
w t
e e
t n
e h
S
M
B
A
N
N
1 -
b
a o
. d r
e R
m
v o
t e
e h
M
f I .
M
B K
4 -
s i
e d
e f
t c
e v i
r ,
p e
a l
e c
B K
4 -
i s u
g n
S
. 1
e S
t e
e h
n i
t s
l l a
i t a
B
2 -
n a
t d
e h
M
B K
. 4 -
R
p e
c a l
t e
e h
e h
S
M
B
2 -
I .
p f
o r
e b
m l
r
s e
v l o
d e
r ,
o r f
m
M
O
M
2 -
. 4 /
e R
n i
t s
l l a
l l a
t e
e h
r p
b o
e l
m
t s
r o
o e
c c
. r u
s n
e ,
c t
u .
n i s
t g
e h
e i F
d l
W
i r i
g n
h C
r o
L I
S
r e
s e i
e d
c i v
s e
o ,
a r
e r
Z C
a
p p
n e
x i d
. s e
. d
m
y l p
w
t i
t h
e h
c
n o
g i f
r u
i t a
n o
p
n i r
o t
b u
s e l
a
d n
o c
e r r
t c
e d
c i v
I e
s D
s a
m
r e
e T
t s
. r e
R
p e
a l
e c
d
v e
e c i
t s
a h
e h
r i c
u c
b t i
e r
k a
r e
2 -
a
d n
M
B K
4 -
r o f
B K
4 -
a
d n
c
e h
k c
. t i
n o
n i
r t s
c u
o i t
s n
r o f
c
b a
e l
f i
e d
e f
i t c
. e v
c e
n o
e n
t c
m
o
u d
s e l
o
e n
c e
o k
t u
G
i u
e d
- M
B 1
. s 6
e S
t e
e h
t u
o r f
m
S C
- G
. M
e r
u q
e r i
. d
C
e h
k c
f t
l i a
o t
e r
p s
n o
. d
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