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August 2017August 2017
SM-FAX186SM-FAX186
Brother Laser MFCBrother Laser MFC
SERVICE MANUALSERVICE MANUAL
DCP-7090/7095D/7190DN/7195DWDCP-7090/7095D/7190DN/7195DW
DCP-B7500D/B7520DW/B7530DN/B7535DWDCP-B7500D/B7520DW/B7530DN/B7535DW
DCP-L2510D/L2511D/L2512D/L2530DWDCP-L2510D/L2511D/L2512D/L2530DW
DCP-L2531DW/L2532DW/L2535D/L2535DWDCP-L2531DW/L2532DW/L2535D/L2535DW
DCP-L2536D/L2537DW/L2550DN/L2550DWDCP-L2536D/L2537DW/L2550DN/L2550DW
DCP-L2551DN/L2551DW/L2552DNDCP-L2551DN/L2551DW/L2552DN
HL-L2390DW/L2395DWHL-L2390DW/L2395DW
MFC-7390/7490D/7890DN/7895DWMFC-7390/7490D/7890DN/7895DW
MFC-B7700D/B7715DW/B7720DNMFC-B7700D/B7715DW/B7720DN
MFC-L2690DW/L2710DN/L2710DW/L2712DNMFC-L2690DW/L2710DN/L2710DW/L2712DN
MFC-L2712DW/L2713DW/L2715D/L2715DWMFC-L2712DW/L2713DW/L2715D/L2715DW
MFC-L2716D/L2716DW/L2717DWMFC-L2716D/L2716DW/L2717DW
MFC-L2730DW/LMFC-L2730DW/L
2732DW/L2750DW2732DW/L2750DW
/L2750DWXL/L2750DWXL
MFC-L2751DW/L2752DW/L2770DW/L2771DWMFC-L2751DW/L2752DW/L2770DW/L2771DW
MODELMODEL
TrademarksTrademarks
BROTHER is either a trademark or a registered trademark of Brother Industries, Ltd.BROTHER is either a trademark or a registered trademark of Brother Industries, Ltd.
Microsoft and Windows are registered trademarks of Microsoft Corporation in the United States and/orMicrosoft and Windows are registered trademarks of Microsoft Corporation in the United States and/or
other countries.other countries.
Apple and Mac are trademarks of Apple Inc., registered in the U.SApple and Mac are trademarks of Apple Inc., registered in the U.S
. and other countries.. and other countries.
AirPrint and the AirPrint logo are trademarks of AAirPrint and the AirPrint logo are trademarks of A
pple Inc.pple Inc.
App Store is a service mark of Apple Inc.App Store is a service mark of Apple Inc.
Wi-Fi is a registered trademark of Wi-Fi AllianceWi-Fi is a registered trademark of Wi-Fi Alliance
®®
..
Android is a trademark of Google Inc.Android is a trademark of Google Inc.
Google Play is a trademark of Google Inc.Google Play is a trademark of Google Inc.
MopriaMopria
®®
and the Mopriaand the Mopria
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the United States and other countries. Unauthorized use the United States and other countries. Unauthorized use
is strictly prohibited.is strictly prohibited.
Each company whose software title is mentioned in this manual has a Software License AgreementEach company whose software title is mentioned in this manual has a Software License Agreement
specific to its proprietary programs.specific to its proprietary programs.
Software TrademarksSoftware Trademarks
FlashFXFlashFX
®®
is a registered trademark of Datalight, Inc.is a registered trademark of Datalight, Inc.
FlashFXFlashFX
®®
Pro™ is a trademark of Datalight, Inc.Pro™ is a trademark of Datalight, Inc.
FlashFXFlashFX
®®
TT
era™ is a trademark of era™ is a trademark of
Datalight, Inc.Datalight, Inc.
Reliance™ is a trademark of Datalight, Inc.Reliance™ is a trademark of Datalight, Inc.
Reliance Nitro™ is a trademark of Datalight, Inc.Reliance Nitro™ is a trademark of Datalight, Inc.
DatalightDatalight
®®
is a registered trademark of Datalight, Inc.is a registered trademark of Datalight, Inc.
Any trade names and product names of companies appearing on Brother products, relatedAny trade names and product names of companies appearing on Brother products, related
documents and any other materials are all trademarks or registered trademarks of thosedocuments and any other materials are all trademarks or registered trademarks of those
respective companies.respective companies.
Open Source Licensing RemarksOpen Source Licensing Remarks
This product includes open-source software.This product includes open-source software.
Go to the manual download selection of your model’s home page of Brother Solutions Center atGo to the manual download selection of your model’s home page of Brother Solutions Center at
support.brother.com to view the Open Source Licensing Remarks and Copyright Information.support.brother.com to view the Open Source Licensing Remarks and Copyright Information.
Copyright and LicenseCopyright and License
©2017 Brother Industries, Ltd. All rights reserved.©2017 Brother Industries, Ltd. All rights reserved.
This product includes software developed by the following vendors:This product includes software developed by the following vendors:
©1983-1998 PACIFIC SOFTWORKS, INC. ALL RIGHTS RESERVED.©1983-1998 PACIFIC SOFTWORKS, INC. ALL RIGHTS RESERVED.
©2008 Devicescape Software, Inc. All rights reserved.©2008 Devicescape Software, Inc. All rights reserved.
This product includes the “KASAGO TCP/IP” software developed by ZUKEN ELMIC, Inc.This product includes the “KASAGO TCP/IP” software developed by ZUKEN ELMIC, Inc.
Copyright 1989-2014 Datalight, Inc., ACopyright 1989-2014 Datalight, Inc., A
ll Rights Reserved.ll Rights Reserved.
FlashFXFlashFX
®®
Copyright 1998-2014 Datalight, Inc.Copyright 1998-2014 Datalight, Inc.
U.S.Patent Office 5,860,082/6,260,156U.S.Patent Office 5,860,082/6,260,156
CONTENTSCONTENTS
SAFETY INFORMATIONSAFETY INFORMATION
CHCH
APAP
TETE
R 1R 1
SUSU
PPPP
LELE
MEME
NTNT
AL SAL S
PEPE
CICI
FIFI
CACA
TIOTIO
NSNS
1.1.
GENERAGENERA
L L
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1-11-1
2.2.
NETWORK NETWORK
CONNECONNE
CTIVITY CTIVITY
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1-91-9
3.3.
SERVICE SERVICE
INFORMINFORM
ATION ATION
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1-101-10
4.4.
SUPPLIESUPPLIE
S S
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1-121-12
5.5.
MEDIA SPECIFICATIMEDIA SPECIFICATI
ONS ONS
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1-201-20
6.6.
FAX (ONFAX (ON
LY FOR THLY FOR TH
E MODELS WE MODELS W
ITH FAX FITH FAX F
UNCTIUNCTI
ON) ON)
............
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. .
1-211-21
7.7.
COPY COPY
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1-221-22
8.8.
SCANNSCANN
ER ER
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1-241-24
CHACHA
PTEPTE
R 2R 2
ERRERR
OR OR
INDIND
ICAICA
TIOTIO
NS NS
AND AND
TROTRO
UBLUBL
ESHESH
OOTOOT
INGING
1.1.
INTRODINTROD
UCTIOUCTIO
N N
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2-12-1
1.11.1
PrecauPrecau
tions tions
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2-12-1
1.21.2
CheckCheck
s before Cs before C
ommenciommenci
ng Troublng Troubl
eshootieshooti
ng .......ng .......
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2-32-3
2.2.
OVERVIEOVERVIE
W W
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2-52-5
2.12.1
Cross-Cross-
sectisecti
on on
DrawiDrawi
ng ng
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2-52-5
2.1.12.1.1
PrintePrinte
r part r part
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2-52-5
2.1.22.1.2
ScanneScanne
r part r part
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2-72-7
2.22.2
Paper FeediPaper Feedi
ng ng
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2-92-9
2.2.12.2.1
PrintePrinte
r part r part
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2-92-9
2.2.22.2.2
ScanneScanne
r part r part
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2-112-11
2.32.3
OperatOperat
ion of ion of
Each PaEach Pa
rt and rt and
LocatLocat
ion of ion of
Parts Parts
..............
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..... .....
2-122-12
2.42.4
Block DiaBlock Dia
gram gram
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2-142-14
2.52.5
Main ComponenMain Componen
ts ............ts ............
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2-152-15
3.3.
ERROR ERROR
INDICAINDICA
TIONS TIONS
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2-172-17
3.13.1
Error CodeError Code
s s
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2-172-17
3.23.2
Error MessagError Messag
e e
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2-252-25
3.2.13.2.1
LCD modelLCD model
s s
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2-252-25
3.2.23.2.2
Touch Touch
panel panel
models ............models ............
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2-342-34
3.33.3
CommuCommu
nicatinicati
on Errors on Errors
..............
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2-432-43
4.4.
TROUBTROUB
LESHOOTLESHOOT
ING ING
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2-472-47
4.14.1
Error CaError Ca
use and Reuse and Re
medy ............medy ............
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2-472-47
4.24.2
TroublTroubl
eshootieshooti
ng for ng for
Paper FePaper Fe
eding eding
ProblemProblem
s s
..............
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..... .....
2-732-73
4.2.14.2.1
No pNo p
aper aper
feedifeedi
ng frng fr
om om
paper paper
tray tray
... 2-73... 2-73
4.2.24.2.2
No paNo pa
per fper f
eedineedin
g from g from
MP traMP tra
y y
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2-742-74
4.2.34.2.3
No paNo pa
per fper f
eeding eeding
from from
manual manual
feed feed
slot slot
..............
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.. ..
2-752-75
4.2.44.2.4
MultiMulti
ple shple sh
eets oeets o
f papef pape
r are r are
fed fed
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. .
2-752-75
4.2.54.2.5
Paper Paper
becomebecome
s wris wri
nkled .............nkled .............
............
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....... 2-76....... 2-76
4.2.64.2.6
Paper Paper
is feis fe
d at d at
an anan an
gle gle
............
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2-762-76
4.2.74.2.7
Paper cPaper c
urls urls
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2-772-77
4.2.84.2.8
UnablUnabl
e to pe to p
erform erform
2-side2-side
d prind prin
ting ting
..............
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.... ....
2-772-77
4.2.94.2.9
Paper jam Paper jam
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2-782-78
4.34.3
TroublTroubl
eshootieshooti
ng for Image Deng for Image De
fects ....fects ....
............
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............
................
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..... .....
2-832-83
4.3.14.3.1
Image Image
defecdefec
t examt exam
ples ples
............
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.. ..
2-832-83
4.3.24.3.2
TroublTroubl
eshootieshooti
ng ing i
mage mage
defect ............defect ............
............
..............
..............
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..............
............
..............
..............
...... 2-84...... 2-84
4.44.4
TroublTroubl
eshootieshooti
ng fong fo
r Softr Soft
ware ware
ProblemProblem
s s
..............
............
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................
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. .
2-982-98
4.4.14.4.1
UnablUnabl
e to e to
receivreceiv
e date dat
a a
............
..............
..............
............
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............
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..............
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... ...
2-982-98
4.54.5
TroublTroubl
eshootieshooti
ng fong fo
r Netr Net
work work
ProbleProble
ms ms
............
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............
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.... ....
2-992-99
4.5.14.5.1
CannoCanno
t make t make
a pria pri
nt thnt th
rough rough
networnetwor
k conk con
nectionectio
n ............n ............
..............
..............
..............
............
..............
.. ..
2-992-99
4.5.24.5.2
CannoCanno
t cont con
nect nect
to acto ac
cess cess
point point
............
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.. ..
2-992-99
4.64.6
TroublTroubl
eshootieshooti
ng for Cng for C
ontrol ontrol
Panel PrPanel Pr
oblems ......oblems ......
............
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..... .....
2-1002-100
4.6.14.6.1
NothinNothin
g is dg is d
isplaispla
yed on yed on
the LCthe LC
D D
..............
..............
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............
..............
..............
..............
............
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..............
.... ....
2-1002-100
4.6.24.6.2
NothinNothin
g is g is
displdispl
ayed ayed
on thon th
e LED e LED
..............
..............
..............
............
..............
..............
..............
............
..............
..............
.... ....
2-1002-100
4.6.34.6.3
UnablUnabl
e to pe to p
erform erform
panel panel
operatoperat
ion ...........ion ...........
..............
..............
............
..............
..............
..............
............
..............
.... ....
2-1002-100
4.74.7
TroublTroubl
eshootieshooti
ng fong fo
r Tonr Ton
er Caer Ca
rtridge rtridge
and Dand D
rum Urum U
nit Pnit P
roblemroblem
s s
..............
..............
..............
..............
..............
... ...
2-1012-101
4.7.14.7.1
New New
toner toner
not dnot d
etecteetecte
d d
..............
..............
............
..............
..............
..............
............
..............
............
..............
..............
............
...... 2-101...... 2-101
4.7.24.7.2
Toner Toner
cartricartri
dge ndge n
ot dot d
etected etected
..............
............
..............
..............
............
..............
..............
............
..............
..............
..............
.... ....
2-1012-101
4.7.34.7.3
Toner Toner
replacereplace
ment ment
messagmessag
e die di
splayesplaye
d on d on
LCD LCD
is nis n
ot cot c
leared ......leared ......
..............
..............
...... 2-102...... 2-102
4.7.44.7.4
Drum erDrum er
ror ror
..............
............
..............
............
..............
..............
............
..............
............
..............
..............
............
..............
..............
............
....... .......
2-1022-102
4.7.54.7.5
Drum Drum
replacreplac
ement ement
messagmessag
e de d
isplaispla
yed yed
on on
LCD LCD
is is
not not
clearecleare
d d
..............
..............
..............
..... 2-102..... 2-102
4.84.8
TroublTroubl
eshootieshooti
ng for Fng for F
user Unuser Un
it Probit Prob
lems ............lems ............
..............
..............
..............
............
..............
..............
..............
..............
.... ....
2-1032-103
4.8.14.8.1
Fuser uniFuser uni
t failure ........t failure ........
..............
............
..............
............
..............
..............
..............
............
..............
............
..............
............
..............
... ...
2-1032-103
4.94.9
TroublTroubl
eshootieshooti
ng for ng for
Laser Laser
Unit Unit
ProblemProblem
s s
............
..............
..............
..............
..............
............
..............
..............
..............
..............
... ...
2-1032-103
4.9.14.9.1
Laser unLaser un
it failuit failu
re re
..............
............
..............
..............
............
..............
............
..............
..............
............
..............
..............
............
..............
.... ....
2-1032-103
4.104.10
TroublTroubl
eshootieshooti
ng ng
for for
PCB Problems PCB Problems
............
..............
..............
..............
............
..............
..............
..............
..............
..............
............
...... ......
2-1042-104
4.10.14.10.1
Main PCB Main PCB
failurfailur
e e
............
..............
..............
................
..............
..............
............
..............
..............
............
..............
............
..............
..............
. .
2-1042-104
4.10.24.10.2
Full Full
memory memory
..............
..............
............
..............
..............
............
..............
............
..............
..............
............
..............
..............
............
..............
.... ....
2-102-10
44
4.114.11
TroubleTrouble
shootinshootin
g for g for
DocumDocum
ent Feeding Problement Feeding Problem
s s
..............
............
..............
..............
............
................
............
..............
... ...
2-1052-105
4.11.14.11.1
No document is No document is
fed fed
..............
............
..............
..............
..............
............
..............
............
..............
..............
............
..............
............
...... ......
2-1052-105
4.11.24.11.2
MultiMulti
ple documents are fed ple documents are fed
..............
..............
..............
............
..............
............
..............
..............
............
..............
............
....... .......
2-1052-105
4.11.34.11.3
DocumeDocume
nt nt
jam jam
............
..............
............
..............
..............
............
..............
............
..............
..............
............
..............
............
..............
............
.. ..
2-1062-106
4.11.44.11.4
DocumDocum
ent becomes wrinkled ent becomes wrinkled
............
..............
..............
............
..............
............
..............
..............
..............
..............
..............
... ...
2-1072-107
4.11.54.11.5
DocumeDocume
nt size nt size
is not is not
detecdetec
ted correctly ...........ted correctly ...........
..............
............
................
............
..............
..............
............
... ...
2-1072-107
4.124.12
TroubleTrouble
shootinshootin
g for g for
ScanninScannin
g Image Defect g Image Defect
..............
............
..............
............
..............
..............
..............
..............
..............
..... .....
2-1082-108
4.12.14.12.1
Defect Defect
exampexamp
les les
..............
..............
............
..............
............
..............
..............
..............
..............
..............
............
..............
............
..............
... ...
2-1082-108
4.12.24.12.2
TroublTroubl
eshootieshooti
ng according accordi
ng to image defect ng to image defect
..............
..............
............
..............
..............
............
..............
..............
. .
2-1082-108
4.134.13
TroubleTrouble
shootinshootin
g for g for
FAX/PhonFAX/Phon
e Problems e Problems
..............
..............
............
..............
..............
............
..............
............
..............
............
... ...
2-1132-113
4.13.14.13.1
Fax Fax
cannocanno
t t
be be
sent sent
............
..............
..............
..............
..............
............
..............
............
..............
..............
..............
..............
..............
..... .....
2-1132-113
4.13.34.13.3
CommunCommun
icatiicati
on on
error occurs error occurs
..............
............
..............
............
..............
............
..............
..............
............
..............
............
...... ......
2-1142-114
4.13.44.13.4
ReceiRecei
ve buffer fulve buffer ful
l during recl during rec
eiving ineiving in
to memory to memory
............
..............
..............
..............
..............
..............
...... ......
2-1142-114
4.144.14
TroublTroubl
eshootieshooti
ng ng
for for
Other Problems Other Problems
................
............
..............
..............
..............
............
..............
..............
..............
............
..............
.... ....
2-1152-115
4.14.14.14.1
Cannot make Cannot make
print print
..............
............
..............
............
..............
..............
............
..............
............
..............
............
..............
..............
............
.. ..
2-1152-115
4.14.24.14.2
Cannot update Cannot update
firmwfirmw
are are
............
..............
..............
..............
............
..............
..............
............
..............
............
..............
..............
..... .....
2-1162-116
4.14.34.14.3
“Paper Low” messag“Paper Low” messag
e does not e does not
disappdisapp
ear ear
..............
..............
............
................
............
..............
..............
..............
.. ..
2-1162-116
4.14.44.14.4
MessaMessa
ge indicge indic
ating thating th
at the reporat the repor
t is full dot is full do
es not dises not dis
appear appear
..............
................
............
....... .......
2-1172-117
4.14.54.14.5
Paper tray cannot be recognPaper tray cannot be recogn
ized ized
..............
..............
............
..............
..............
............
..............
..............
............
................
... ...
2-1172-117
CHCH
APAP
TETE
R R
33
DIDI
SASA
SSSS
EMEM
BLBL
Y/Y/
RERE
ASAS
SESE
MBMB
LYLY
1.1.
SAFETY SAFETY
PRECAPRECA
UTIONUTION
S S
............
..............
..............
..............
..............
............
..............
............
..............
..............
..............
..............
..............
............
..............
..........
.. ..
3-13-1
2.2.
PACKINPACKIN
G G
............
..............
............
..............
............
..............
............
..............
..............
............
..............
............
..............
............
..............
............
..............
............
..............
............
.. ..
3-23-2
3.3.
SCREW SCREW
CATACATA
LOGUE LOGUE
............
..............
............
..............
..............
..............
............
..............
............
..............
..............
............
..............
............
..............
............
............
. .
3-33-3
4.4.
SCREW TORQUE LIST SCREW TORQUE LIST
............
..............
..............
............
..............
............
..............
............
..............
............
..............
............
..............
..............
............
..............
..... .....
3-43-4
5.5.
LUBRILUBRI
CATION CATION
..............
............
..............
..............
............
..............
............
..............
............
..............
............
..............
..............
..............
..............
..............
............
............
..... .....
3-63-6
6.6.
OVERVIEOVERVIE
W W
OF OF
GEARS GEARS
............
..............
..............
............
..............
............
..............
............
..............
..............
............
..............
............
..............
..............
..............
.... ....
3-73-7
7.7.
HARNHARN
ESS ESS
ROUTIROUTI
NG NG
............
..............
............
..............
..............
..............
..............
............
..............
............
..............
............
..............
............
..............
..............
..........
... ...
3-93-9
8.8.
DISASSEDISASSE
MBLY FLOW MBLY FLOW
CHART CHART
............
..............
..............
............
..............
............
..............
..............
............
..............
..............
............
..............
............
.... ....
3-223-22
9.9.
DISASSEDISASSE
MBLY MBLY
PROCEDPROCED
URE URE
............
..............
..............
..............
............
..............
..............
..............
..............
............
..............
..............
............
..............
... ...
3-233-23
9.19.1
PreparaPrepara
tion tion
..............
............
..............
..............
............
..............
..............
..............
..............
............
..............
..............
..............
............
..............
..............
........
....... .......
3-233-23
9.29.2
Cord hook Cord hook
............
..............
..............
............
..............
............
..............
............
..............
............
..............
..............
..............
..............
..............
..............
..............
....... .......
3-253-25
9.39.3
Back cover Back cover
............
..............
..............
............
..............
............
..............
............
..............
............
..............
............
..............
..............
..............
..............
..............
....... .......
3-263-26
9.49.4
Outer chOuter ch
ute ASSY ute ASSY
..............
..............
............
..............
............
..............
............
..............
..............
............
..............
..............
............
..............
..............
..............
. .
3-273-27
9.59.5
Front covFront cov
er ASSY / Support flaer ASSY / Support fla
p ........p ........
............
..............
..............
............
..............
..............
............
..............
..............
............
..............
...... ......
3-283-28
9.69.6
Side cover R Side cover R
............
..............
............
..............
..............
............
..............
............
..............
............
..............
..............
..............
............
..............
............
............
...... ......
3-313-31
9.79.7
Fuser cover Fuser cover
..............
............
..............
............
..............
............
..............
..............
............
..............
............
..............
............
..............
............
..............
............
............
.. ..
3-323-32
9.89.8
Inner chuInner chu
te ASSY te ASSY
............
............
..............
..............
............
..............
..............
............
..............
............
..............
..............
............
..............
............
..............
.... ....
3-333-33
9.9.
99
SiSi
de cde c
ovov
er L er L
/ Sp/ Sp
eaea
keke
r har ha
rnrn
eses
s ASs AS
SY /SY /
Handset holder ASSY (For models Handset holder ASSY (For models
with Handset) ............................................................ with Handset) ............................................................
3-343-34
9.109.10
DocumDocum
ent ent
scannscann
er er
unit unit
............
..............
..............
............
..............
..............
............
..............
............
..............
..............
..............
............
..............
............
.. ..
3-373-37
9.119.11
ADF unit ADF unit
(For models with (For models with
ADF) ADF)
..............
..............
............
..............
..............
............
..............
..............
..............
............
..............
..............
...... ......
3-403-40
9.11.19.11.1
ADF ADF
unit unit
............
..............
............
..............
............
..............
............
..............
............
..............
..............
............
..............
............
..............
............
....... .......
3-403-40
9.11.29.11.2
ADF cover ASSY / DocADF cover ASSY / Doc
ument stopument stop
per per
..............
............
..............
............
............
..............
............
..............
............
....... .......
3-433-43
9.11.39.11.3
DocumeDocume
nt nt
sub sub
tray tray
............
..............
............
..............
..............
............
..............
............
..............
............
..............
............
..............
............
.... ....
3-443-44
9.11.49.11.4
DocumDocum
ent separate roller ASSY ent separate roller ASSY
............
..............
..............
............
..............
............
............
..............
............
..............
............
... ...
3-463-46
9.11.59.11.5
ADF separation holder ASSY ADF separation holder ASSY
............
..............
..............
............
..............
..............
............
..............
..............
............
..............
...... ......
3-473-47
9.11.69.11.6
Second Second
side CIside CI
S unit / SeS unit / Se
cond sicond si
de CIS flde CIS fl
at cablat cabl
ee
(Only for (Only for
models wmodels w
ith dupleith duple
x scanning) x scanning)
............................................................................................................
......... .........
3-483-48
9.129.12
DocumeDocume
nt cover ASSY (For models without ADF) nt cover ASSY (For models without ADF)
..............
..............
............
............
..............
............
..............
............
....... .......
3-533-53
9.139.13
Panel unit Panel unit
(For Touch (For Touch
panel models) ..........panel models) ..........
............
..............
..............
............
..............
............
..............
..............
............
..............
.... ....
3-553-55
9.13.19.13.1
Panel Panel
unit unit
3-553-55
9.13.2
Panel PCB ASSY / NFC PCB ASSY /
LCD ..........
......
.......
......
......
.......
......
.......
...
3-56
9.13.3
Touch
panel ASSY
.......
......
......
.......
......
.......
......
......
.......
......
.......
......
......
.......
.....
3-57
9.14
Panel unit (For
Non-to
uch panel models)
.......
.......
......
.......
.......
.......
......
........
......
.......
.....
3-58
9.14.1
Panel
unit
.......
......
.......
.......
.......
......
.......
.......
.......
......
.......
.......
......
.......
......
.......
..
3-58
9.14.2
Panel PCB
ASSY
.......
......
.......
......
......
.......
......
.......
......
......
.......
......
.......
......
.......
3-59
9.14.3
LCD
......
.......
......
.......
.......
......
.......
......
.......
......
.......
......
.......
......
.......
......
.......
......
.
3-60
9.15
Panel fl
at cable / Fi
rst side C
IS unit / Fi
rst side C
IS flat cab
le
.......
.......
.......
.......
........
.....
3-61
9.16
Modem flat cab
le / Modem PCB ASSY
......
.......
.......
.......
......
.......
.......
.......
.......
......
.......
..
3-68
9.17
Joint
cover
ASSY
.......
.......
.......
......
.......
......
.......
......
.......
.......
......
.......
......
.......
.......
......
....
3-70
9.18
Fuser
unit
................................................................
..........................................................
3-71
9.19
Low-vo
ltage power supply PCB
ASSY
.......
.......
.......
......
.......
......
.......
......
.......
.......
......
....
3-73
9.20
New
toner sensor
PCB
ASSY
......
.......
......
.......
......
......
.......
......
......
.......
......
.......
......
.......
.
3-75
9.21
HVPS flat cab
le / High-vol
tage pow
er supply PCB ASSY
.......
.......
......
.......
......
......
.......
..
3-76
9.22
Fan
...................................................................
................................................................
3-78
9.23
Toner b
ox relay
PCB ASSY (F
or model
s with t
oner box
)/
MP relay PCB ASSY (For MP models) /
Toner box new
PCB ASSY (For model
s with
toner box)
..................................................
3-79
9.24
Laser unit
flat cable /
Laser unit
.......
.......
......
.......
......
.......
......
.......
.......
......
.......
.......
......
..
3-81
9.25
Filter
...........................................................
.......................................................................
3-83
9.26
Wirele
ss LAN PCB (Only for wirel
ess networ
k models)
.......
.......
......
.......
.......
.......
......
....
3-84
9.27
Roller
holder
ASSY
......
.......
......
......
.......
......
.......
......
......
.......
......
.......
......
......
.......
......
.....
3-85
9.28
Main
PCB
ASSY
.......
.......
......
......
.......
......
.......
......
......
.......
......
......
.......
......
......
.......
......
..
3-86
9.29
T1
clutch /
Regis
tratio
n
clutch ............
.......
.......
......
.......
.......
......
.......
......
.......
......
.......
......
3-87
9.30
Frame
L
unit
............................................................
.......................................................... 3-90
9.31
Paper feed motor / Paper feed motor flat cable ............
.......
.......
.......
.......
......
.......
.......
....
3-93
9.32
Fuser
gear
64R/36R
......
......
.......
......
.......
......
......
.......
......
......
.......
......
.......
......
.......
......
...
3-95
9.33
Toner sen
sor PCB ASSY (O
nly for mod
els with T
oner box)
.......
......
......
.......
......
.......
.....
3-96
9.34
Front
cover
senso
r
.......
......
.......
......
.......
.......
......
.......
......
.......
......
.......
.......
.......
......
......
...
3-97
9.35
Eject sensor
PCB
ASSY
.......
......
.......
......
.......
.......
.......
.......
......
.......
......
.......
.......
.......
.....
3-98
9.36
Regist
ration front/
rear actuator holder ASSY
.......
.......
......
.......
......
......
.......
......
.......
......
3-100
9.37
Paper feed rol
ler ASSY / Paper feed sen
sor PCB ASSY
.......
......
.......
......
.......
......
.......
.
3-103
CH
AP
TE
R 4
AD
JU
ST
IN
G AN
D UPD
AT
IN
G SE
TT
IN
GS A
S
REQUIRED AFTER PARTS REPLACEMENT
1.
IF YOU REPLACE TH
E MAIN PCB ASSY
.......
.......
.....
.......
......
.......
......
......
.......
......
.......
......
....
4-1
1.1
Instal
ling
Firmwa
re (Sub
firmwa
re an
d mai
n fir
mware)
.......
......
.......
.......
.......
......
.......
....... 4-2
1.1.1
Check
ing fi
rmware
versio
n
.......
.......
.......
......
.......
.......
......
.......
.......
.......
......
.......
....
4-2
1.1.2
Instal
ling
firmw
are
.......
......
.......
.......
......
.......
......
.......
......
.......
.......
......
.......
......
...... 4-3
1.2
Initi
alizin
g the
EEPROM o
f the
Main PC
B ASSY(Fu
nction
code 01
) .....
.......
......
......
.......
...
4-3
1.3
Setting
by Sp
ec, S
etting
Serial
Number
and
Enterin
g Adj
usted
Value
of La
ser
Unit
........
.
4-4
1.4
Adjust
ing
Touch
Panel
(Functi
on c
ode
61)(Tou
ch
panel
models
only)
.......
.......
.......
.......
..
4-6
1.5
Acquir
ing Wh
ite L
evel
Data
(Functi
on co
de 55)
.......
......
.......
......
.......
......
.......
......
.......
...... 4-6
2.
IF YOU
REPLACE
THE LO
W-VOLTAG
E POWER
SUPPLY
PCB A
SSY
......
.......
......
.......
......
.
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
.......
.......
......
.......
.......
......
.......
.......
......
.......
.......
.......
......
.
4-8
3.1
Entering A
djuste
d Value of La
ser Uni
t .............
.......
......
.......
......
.......
......
.......
......
.......
.......
.
4-9
4.
IF YOU R
EPLACE TH
E PANEL U
NIT OR PA
NEL CON
TROL PC
B
......
.......
.......
.......
.......
.....
4-11
4.1
Adjust
ing
Touch
Panel
(Functi
on c
ode 6
1) (T
ouch
panel
models
only)
......
.......
.......
....... 4-11
4.2
Checki
ng LCD O
perati
on (Fun
ction c
ode 12) .......
.......
.......
.......
.......
......
.......
......
.......
......
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
)
......
.......
.......
.......
.......
......
.......
......
.......
...
4-12
5.2
Scanni
ng and Pr
intin
g Check
.......
......
.......
.......
.......
......
.......
.......
......
.......
.......
......
.......
....
4-12
CH
AP
TE
R
5
SE
RV
IC
E
FU
NC
TI
ON
S
1.
FUNCT
ION
CODE
.......
......
.......
......
.......
......
.......
......
.......
......
.......
.......
.......
......
.......
......
......
.......
.
5-1
1.1
How to
Enter M
ainte
nance
Mode
.......
.......
......
........
.......
......
.......
......
.......
......
.......
......
....... 5-1
1.1.1
Method
of e
nterin
g m
ainten
ance
mode
for
servic
e
person
nel
......
........
.......
......
.... 5-1
1.1.2
Method
of en
tering
end-use
r ac
cessib
le m
ainten
ance
mode .........
......
.......
.......
....
5-2
1.2
List of
Mainte
nance M
ode Fun
ctions ...........
.......
.......
......
.......
......
.......
......
.......
......
.......
.....
5-3
1.3
Detail
s of Mainte
nance Mo
de Functi
ons .....
........
......
.......
......
.......
......
.......
......
.......
......
......
5-4
1.3.1
Initia
lize
EEPROM
parame
ters (
Functi
on co
de 01,
91) ......
.......
......
.......
......
.......
...
5-4
1.3.2
Transi
tion
to s
hippin
g st
ate (
Functio
n co
de 0
3)
......
......
.......
......
.......
.......
......
.......
.
5-5
1.3.3
ADF
perform
ance
test
(Functi
on c
ode
08)
.......
......
.......
.......
......
.......
......
........
....... 5-6
1.3.4
Print
qualit
y test
pattern
(Functi
on cod
e 09) ....
.......
.......
.......
.......
.......
.......
.......
...... 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) ............
.......
.......
......
.......
......
.......
......
..
5-11
1.3.7
Check
contro
l pan
el ke
y op
eration
(Funct
ion co
de 13
)
.......
.......
.......
......
........
..... 5-13
1.3.8
Displ
ay s
oftwar
e ver
sion
(Funct
ion
code
25)
........
.......
.......
......
.......
.......
......
....... 5-15
1.3.9
Check
sensor
operat
ion
(Functi
on
code
32)
......
.......
......
.......
.......
......
.......
.......
... 5-16
1.3.10
Displ
ay LAN connectio
n status (Functio
n code 33)
.......
.......
......
........
......
.......
.....
5-18
1.3.11
Set PC
print functi
ons (Function code 43) .............
......
.......
.......
......
.......
.......
.......
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
)
........
.......
.......
....
5-27
1.3.14
Transfe
r receiv
ed fax data / l
og infor
mation (f
ax model
s only)
(Function
code
53)
............................................................
................................... 5-29
1.3.15
Fine-t
une scann
ing posi
tion (Fun
ction cod
e 54)
......
.......
.......
.......
.......
.......
.......
..
5-31
1.3.16
Acquir
e white lev
el data a
nd set CIS sc
an area (Fu
nction c
ode 55) .............
.......
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)
.......
......
.......
.......
.......
.......
......
.......
.......
....
5-35
1.3.19
Conti
nuous prin
t test (Functio
n code 67)
......
......
.......
......
.......
......
.......
.......
......
...
5-36
1.3.20
Print fram
e pattern (s
ingle-s
ide print
ing) (Fun
ction cod
e 69)
......
.......
.......
.......
....
5-40
1.3.21
Print frame pat
tern (dupl
ex printing
) (Functio
n code 70)
......
.......
.......
.......
.......
....
5-41
1.3.22
Test pattern (Functi
on code 71)
.......
.......
......
.......
......
.......
.......
......
.......
......
.......
..
5-42
1.3.23
Config
ure for count
ry/reg
ion and mode
l (Functio
n code 74)
......
.......
.......
.......
.....
5-45
1.3.24
Print mainten
ance informat
ion (Function code 77)
......
.......
.......
......
.......
.......
......
.
5-52
1.3.25
Check fan oper
ation (Func
tion code 78)
.......
.......
......
.......
.......
......
.......
......
.......
..
5-54
1.3.26
Delet
e fax data (Function code 79)
.......
......
.......
.......
......
.......
.......
......
.......
......
....
5-54
1.3.27
Displ
ay machin
e log informa
tion (Fu
nction co
de 80)
.......
......
.......
.......
.......
.......
..
5-55
1.3.28
Displ
ay machine error code (Func
tion code 82)
.......
.......
.......
.......
......
.......
.......
...
5-57
1.3.29
Send comm
unicat
ion log inf
ormati
on to telep
hone lin
e (Functi
on code 87
)
.......
..
5-58
1.3.30
Reset i
rregula
r power
supply d
etectio
n counte
r of
low-voltage power supply
PCB (Function code 88) ..............................................
5-58
1.3.31
Quit maint
enance mod
e (Function co
de 99)
.......
.......
......
.......
.......
.......
.......
......
..
5-58
2.
OTHER SERVICE
FUNCT
IONS ............
.......
.......
......
.......
.......
......
.......
.......
......
.......
.......
......
....
5-59
2.1
Drum Cleanin
g
.......
......
.......
.......
......
.......
......
.......
.......
......
.......
.......
......
.......
......
.......
.....
...
5-59
2.2
Print Com
munica
tion Error Li
st ...........
.......
.......
.......
......
.......
.......
......
.......
.......
......
.......
....
5-61
2.3
Resett
ing Drum Coun
ter
.......
.......
......
.......
......
.......
.......
......
.......
......
.......
......
.......
.......
......
5-62
CH
AP
TE
R
6
WI
RI
NG
D
IA
GR
A
M
1.
WIRING DIAGRAM
.......
......
.......
......
.......
......
.......
......
.......
......
.......
.......
.......
.......
......
.......
.....
......
6-1
CH
AP
TE
R 7
PE
RI
OD
IC
AL M
AI
NT
EN
AN
CE
1.
PERIODI
CAL REPLACE
MENT PARTS
.......
.......
.......
.......
.......
.......
......
.......
......
.......
.......
.......
...
7-1
AP
PE
ND
IX 1
SE
RI
AL N
UM
BE
RI
NG S
YS
TE
M
APP
END
IX 2
DEL
ETI
NG U
SER
SET
TIN
G INF
ORM
ATI
ON
APP
END
IX 3
INS
TAL
LIN
G THE MA
INT
ENA
NCE PR
INT
ER DRI
VER

To use the Machine Safely
Please keep these instructions for later reference and read them before attempting any
maintenance. If you do not follow these safety instructions, there is a possibility of a fire,
electrical shock, burn or suffocation.
WARNING
ELECTRICAL
HAZARDS
Failure to follow the warnings in this section may create the risk of an electrical shock. In
addition, you could create an electrical short, which may create the risk of a fire.
There are high-voltage electrodes inside the product. Before
you access the inside of the product, including for routine
maintenance such as cleaning, make sure you have unplugged
the telephone line cord first (MFC models only) and then the
power cord from the AC power outlet, as well as any telephone/
RJ-11 (MFC models only) or Ethernet/RJ-45 cables (Network
models only) from the product. DO NOT push objects of any
kind into this product through slots or openings in the product,
as they may touch dangerous voltage points or short out parts.
DO NOT handle the plug with wet hands. Doing this might cause an
electrical shock.
DO NOT use this product during a thunder
storm. There may be a remote risk of
an electrical
shock from lightning.
Always make sure the plug is fully inserted. DO NOT use the product or handle the cord if
the cord has become worn or frayed.
DO NOT allow this product to come into contact with water. This product should not be used
around standing water, including a bath tub, sink,
or swimming pool; around appliances
containing water, including a refrigerator; or in a
wet basement.
This product should be connected to an AC power source within the range indicated on the
rating label (You can find the rating label on your
machine). DO NOT connect it t
o a DC
power source or inverter. If you are not sure what kind of power source you have, contact a
qualified electrician.
WARNING
When removing the Low-voltage power supply, do not touch it within
3 minutes
after disconnecting the AC cord as it may cause an electric
shock due to the electric
charge accumulated in the capacitor.