![Brother DCP-7090 Скачать руководство пользователя страница 52](http://html.mh-extra.com/html/brother/dcp-7090/dcp-7090_service-manual_53267052.webp)
4.7
4.7 T
Trou
rouble
bleshoo
shootin
ting for T
g for Tone
oner Cart
r Cartrid
ridge and D
ge and Drum U
rum Unit
nit
Problems
Problems
4.7
4.7.1
.1 New
New ton
toner
er not
not det
detect
ected
ed
<User Check>
<User Check>
•• Be sure t
Be sure to set a ne
o set a new toner c
w toner cartrid
artridge(or bo
ge(or box).
x).
•• Check th
Check that the genui
at the genuine toner ca
ne toner cartridge
rtridge(or box) is s
(or box) is set.
et.
4.7.2
4.7.2 T
Toner
oner cartr
cartridge
idge not
not detec
detected
ted
<User Check>
<User Check>
•• Re-ass
Re-assemble
emble the ton
the toner car
er cartridge(
tridge(or box)
or box)..
•• Replac
Replace the toner ca
e the toner cartridge
rtridge(or box) wi
(or box) with a new one.
th a new one.
S
Stte
ep
p
C
Ca
au
usse
e
R
Re
em
me
ed
dyy
1
1
N
Ne
ew
w tto
one
ner
r ac
actu
tua
atto
or
r cco
om
miin
ng
g o
offff
R
Re
ea
att
tta
acch
h tth
he
e ne
new
w tton
oner
er a
accttua
uato
torr..
2
2
Connection failure of the new
Connection failure of the new
toner sensor PCB harness
toner sensor PCB harness
(Models without toner box)
(Models without toner box)
Reconnect the new toner sensor PCB
Reconnect the new toner sensor PCB
harness.
harness.
3
3
Connection failure of the new
Connection failure of the new
toner box sensor PCB
toner box sensor PCB
harness
harness
(Models with toner box)
(Models with toner box)
Reconnect the new toner box sensor PCB
Reconnect the new toner box sensor PCB
harness.
harness.
4
4
Connection failure of the
Connection failure of the
toner box relay PCB harness
toner 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.
5
5
New toner sensor PCB
New toner sensor PCB
failure
failure
(Models without toner box)
(Models without toner box)
Replace the new toner sensor
Replace the new toner sensor PCB ASSY
PCB ASSY..
6
6
New toner box sensor PCB
New toner box sensor PCB
failure
failure
(Models with toner box)
(Models with toner box)
Replace the new toner box sensor PCB
Replace the new toner box sensor PCB
ASSY
ASSY..
7
7
T
Toner box relay
oner box relay PCB failure
PCB failure
(Models with toner box)
(Models with toner box)
Replace the toner box relay
Replace the toner box relay PCB ASSY
PCB ASSY..
8
8
High-voltage power supply
High-voltage power supply
PCB failure
PCB failure
Replace the high-voltage power supply PCB
Replace the high-voltage power supply PCB
ASSY
ASSY..
9
9
M
Ma
aiin
n P
PC
CB
B ffa
aiillu
urre
e
R
Re
ep
plla
acce
e tth
he
e m
ma
aiin
n P
PC
CB
B A
AS
SS
SY
Y..
S
Stte
ep
p
C
Ca
au
usse
e
R
Re
em
me
ed
dyy
1
1
New toner sensor PCB
New toner sensor PCB
failure
failure
(Models without toner box)
(Models without toner box)
Replace the new toner sensor
Replace the new toner sensor PCB ASSY
PCB ASSY..
2
2
New toner box sensor PCB
New toner box sensor PCB
failure
failure
(Models with toner box)
(Models with toner box)
Replace the new toner box sensor PCB
Replace the new toner box sensor PCB
ASSY
ASSY..
3
3
M
Ma
aiin
n P
PC
CB
B ffa
aiillu
urre
e
R
Re
ep
plla
acce
e tth
he
e m
ma
aiin
n P
PC
CB
B A
AS
SS
SY
Y..
Содержание DCP-7090
Страница 28: ...2 10 Confidential MP models Fig 2 6 Feed from MP tray Eject to back side Back side Front side ...
Страница 29: ...2 11 Confidential 2 2 2 Scanner part Fig 2 7 Document feed path ...
Страница 42: ... Electrodes location of main body Fig 2 12 Electrodes location of the drum unit and process unit Fig 2 13 ...
Страница 64: ...2 PACKING Fig 3 1 Option carton Carton Polystyrene pad ASSY Spacer carton Option carton TBOX ...
Страница 106: ... Print adjustment test pattern Fig 5 11 ...
Страница 111: ... Test pattern Fig 5 19 ...
Страница 114: ......
Страница 115: ...CHAPTER 7 PERIODICAL MAINTENANCE 1 PERIODICAL REPLACEMENT PARTS There are no parts to be replaced periodically ...