Brother MFC-L2712DN - 4. If You Replace the Panel Unit or Panel Control PCB; Chapter 5 Service Functions; 1. Function Code

2.
IF YOU
REPLACE
THE LO
W-VOLTAG
E POWER
SUPPLY
PCB A
SSY
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.
4-7
2.1
Res
et Ir
regu
lar P
owe
r Sup
ply
Det
ect
ion
Cou
nte
r of
the Low-voltage Power Supply
PCB (Function code 88) ....................................................
4-7
3.
IF YOU REPLACE THE LASER UN
IT
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4-8
3.1
Entering A
djuste
d Value of La
ser Uni
t .............
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4-9
4.
IF YOU R
EPLACE TH
E PANEL U
NIT OR PA
NEL CON
TROL PC
B
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4-11
4.1
Adjust
ing
Touch
Panel
(Functi
on c
ode 6
1) (T
ouch
panel
models
only)
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....... 4-11
4.2
Checki
ng LCD O
perati
on (Fun
ction c
ode 12) .......
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4-11
5.
IF YOU R
EPLA
CE TH
E ADF U
NIT
, FIRS
T SIDE C
IS UN
IT,
SECOND SIDE CIS
UNIT OR
DOCUMENT SCANN
ER UNIT
..............................................
...
4-12
5.1
Acquir
ing Wh
ite L
evel
Data
(Functi
on co
de 55
)
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4-12
5.2
Scanni
ng and Pr
intin
g Check
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4-12
CH
AP
TE
R
5
SE
RV
IC
E
FU
NC
TI
ON
S
1.
FUNCT
ION
CODE
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5-1
1.1
How to
Enter M
ainte
nance
Mode
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....... 5-1
1.1.1
Method
of e
nterin
g m
ainten
ance
mode
for
servic
e
person
nel
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.... 5-1
1.1.2
Method
of en
tering
end-use
r ac
cessib
le m
ainten
ance
mode .........
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5-2
1.2
List of
Mainte
nance M
ode Fun
ctions ...........
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5-3
1.3
Detail
s of Mainte
nance Mo
de Functi
ons .....
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5-4
1.3.1
Initia
lize
EEPROM
parame
ters (
Functi
on co
de 01,
91) ......
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5-4
1.3.2
Transi
tion
to s
hippin
g st
ate (
Functio
n co
de 0
3)
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.
5-5
1.3.3
ADF
perform
ance
test
(Functi
on c
ode
08)
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....... 5-6
1.3.4
Print
qualit
y test
pattern
(Functi
on cod
e 09) ....
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...... 5-7
1.
3.
5
Se
t w
or
ke
r s
wi
tc
he
s (
WSW
) an
d
print worker swi
tch setting data
(Function code
10, 11)
.........................................
5-8
1.3.6
Check
LCD
operati
on (F
unctio
n cod
e 12) ............
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5-11
1.3.7
Check
contro
l pan
el ke
y op
eration
(Funct
ion co
de 13
)
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..... 5-13
1.3.8
Displ
ay s
oftwar
e ver
sion
(Funct
ion
code
25)
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....... 5-15
1.3.9
Check
sensor
operat
ion
(Functi
on
code
32)
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... 5-16
1.3.10
Displ
ay LAN connectio
n status (Functio
n code 33)
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5-18
1.3.11
Set PC
print functi
ons (Function code 43) .............
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5-19
1.3.12
Change U
SB No. retur
n value / Adj
ust left
-end prin
t positi
on /
Adjust upper-end print position /
Change ON/OFF setting for lower case compensation /
Change ON/OFF setting for fixation strength improvement
(Function
code
45)
............................................................
................................... 5-23
1.3.13
Adjust pr
intabl
e range fo
r each spe
ed level (
Functi
on code 46
)
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5-27
1.3.14
Transfe
r receiv
ed fax data / l
og infor
mation (f
ax model
s only)
(Function
code
53)
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................................... 5-29
1.3.15
Fine-t
une scann
ing posi
tion (Fun
ction cod
e 54)
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5-31
1.3.16
Acquir
e white lev
el data a
nd set CIS sc
an area (Fu
nction c
ode 55) .............
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5-32
1.3.17
Check t
oner car
tridge
(Models
with ca
rtridge
sensor o
nly) (F
unction
code 57)
...
5-33
1.3.18
Adjust touch panel (Funct
ion code 61)
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5-35
1.3.19
Conti
nuous prin
t test (Functio
n code 67)
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5-36