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Brother MFC-L2712DN - Page 52

Brother MFC-L2712DN
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4.74.7
TT
rourou
bleble
shooshoo
tintin
g for Tg for T
oneone
r Cartr Cart
ridrid
ge and Dge and D
rum Urum U
nitnit
ProblemsProblems
4.74.7
.1.1
New New
tonton
er er
not not
detdet
ectect
eded
<User Check><User Check>
Be sure tBe sure t
o set a neo set a ne
w toner cw toner c
artridartrid
ge(or boge(or bo
x).x).
Check thCheck th
at the genuiat the genui
ne toner cane toner ca
rtridgertridge
(or box) is s(or box) is s
et.et.
4.7.24.7.2
TT
oner oner
cartrcartr
idge idge
not not
detecdetec
tedted
<User Check><User Check>
Re-assRe-ass
emble emble
the tonthe ton
er carer car
tridge(tridge(
or box)or box)
..
ReplacReplac
e the toner cae the toner ca
rtridgertridge
(or box) wi(or box) wi
th a new one.th a new one.
SS
tt
ee
pp
CC
aa
uu
ss
ee
RR
ee
mm
ee
dd
yy
11
NN
ee
w w
tt
oo
nene
r r
acac
tutu
aa
tt
oo
r r
cc
oo
mm
ii
nn
g g
oo
ff
ff
RR
ee
aa
tttt
aa
cc
h h
tt
hh
e e
nene
w w
tt
onon
er er
aa
cc
tt
uaua
toto
rr
..
22
Connection failure of the newConnection failure of the new
toner sensor PCB harnesstoner sensor PCB harness
(Models without toner box)(Models without toner box)
Reconnect the new toner sensor PCBReconnect the new toner sensor PCB
harness.harness.
33
Connection failure of the newConnection failure of the new
toner box sensor PCBtoner box sensor PCB
harnessharness
(Models with toner box)(Models with toner box)
Reconnect the new toner box sensor PCBReconnect the new toner box sensor PCB
harness.harness.
44
Connection failure of theConnection failure of the
toner box relay PCB harnesstoner box relay PCB harness
(Models with toner box)(Models with toner box)
Reconnect the toner box relay PCB harness.Reconnect the toner box relay PCB harness.
55
New toner sensor PCBNew toner sensor PCB
failurefailure
(Models without toner box)(Models without toner box)
Replace the new toner sensor Replace the new toner sensor
PCB ASSYPCB ASSY
..
66
New toner box sensor PCBNew toner box sensor PCB
failurefailure
(Models with toner box)(Models with toner box)
Replace the new toner box sensor PCBReplace the new toner box sensor PCB
ASSYASSY
..
77
TT
oner box relay oner box relay
PCB failurePCB failure
(Models with toner box)(Models with toner box)
Replace the toner box relay Replace the toner box relay
PCB ASSYPCB ASSY
..
88
High-voltage power supplyHigh-voltage power supply
PCB failurePCB failure
Replace the high-voltage power supply PCBReplace the high-voltage power supply PCB
ASSYASSY
..
99
MM
aa
ii
n n
PP
CC
B B
ff
aa
ii
ll
uu
rr
ee
RR
ee
pp
ll
aa
cc
e e
tt
hh
e e
mm
aa
ii
n n
PP
CC
B B
AA
SS
SS
YY
..
SS
tt
ee
pp
CC
aa
uu
ss
ee
RR
ee
mm
ee
dd
yy
11
New toner sensor PCBNew toner sensor PCB
failurefailure
(Models without toner box)(Models without toner box)
Replace the new toner sensor Replace the new toner sensor
PCB ASSYPCB ASSY
..
22
New toner box sensor PCBNew toner box sensor PCB
failurefailure
(Models with toner box)(Models with toner box)
Replace the new toner box sensor PCBReplace the new toner box sensor PCB
ASSYASSY
..
33
MM
aa
ii
n n
PP
CC
B B
ff
aa
ii
ll
uu
rr
e e
RR
ee
pp
ll
aa
cc
e e
tt
hh
e e
mm
aa
ii
n n
PP
CC
B B
AA
SS
SS
YY
..

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