Brother Dcp-7090 User manual

Read this manual thoroughly before maintenance work.Read this manual thoroughly before maintenance work.

Keep this manual in a convenient place for quick and easy reference at all times.Keep this manual in a convenient place for quick and easy reference at all times.

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

®®

Logo are registered trademarks and service marks of Mopria Alliance, Inc. inLogo are registered trademarks and service marks of Mopria Alliance, Inc. in

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

This product includes software developed by the following vendors:This product includes software developed by the following vendors:

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.

ll Rights Reserved.ll Rights Reserved.

FlashFXFlashFX

®®

U.S.Patent Office 5,860,082/6,260,156U.S.Patent Office 5,860,082/6,260,156

CONTENTSCONTENTS

SAFETY INFORMATIONSAFETY INFORMATION

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2.2.

NETWORK NETWORK

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1-91-9

3.3.

SERVICE SERVICE

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5.5.

MEDIA SPECIFICATIMEDIA SPECIFICATI

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1-201-20

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1-211-21

7.7.

COPY COPY

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8.8.

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2-32-3

2.2.

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2-112-11

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2-122-12

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4.11.14.11.1

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4.11.24.11.2

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2-1062-106

4.11.44.11.4

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2-1072-107

4.11.54.11.5

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2-1072-107

4.124.12

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2-1132-113

4.13.14.13.1

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2-1132-113

4.13.34.13.3

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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.

Power Cord Safety:

•

This produ

ct is equipp

ed with a ground

ed plug. This pl

ug will onl

y fit into a grounde

d

power outlet. This is a safety feature. If you are unable to insert

the plug into the outlet, call

your electrician to replace your obsolete outlet. DO NOT attempt to defeat the purpose of

the grounded plug.

•

DO NOT a

llow an

ything t

o rest on

the pow

er cord

.

•

DO NOT pla

ce this pro

duct wher

e people m

ight step o

n the cord.

•

DO NOT place this pr

oduct in a positio

n where the cord is stret

ched or straine

d, as it may

become worn or frayed.

•

DO NOT use the pro

duct if the pow

er cord is fray

ed or damaged

. Doing so may ca

use an

electrical shock or fire.

•

DO NOT pull on the mi

ddle of the AC powe

r cord; pulli

ng on the middle m

ay cause the

cord to separate from the plug. Doing this might cause an electrical shock.

•

Brother st

rongly rec

ommend

s that you DO NOT use any ty

pe of extensi

on cord.

•

DO NOT put toner ca

rtridg

es or a toner cartri

dge and drum unit as

sembly i

nto a fire or

places susceptible to fire. It could explode, resulting in injuries.

•

DO NOT use flammab

le substan

ces, any type of spray

, or an organic solvent/

liquid

containing alcohol or ammonia to clean the inside or outside of the product. Doing so

could cause a fire or

electrical shock. Instead, use only

a dry, lint-free cloth.

DO NOT attempt to operate this product when a paper jam or stray pieces of paper are

inside the product. Prolonged contact of paper with the fuser unit could cause a fire.

DO NOT use a vacuum cleaner

to clean up scattered toner. Doing this might cause

the toner

dust to ignite inside the

vacuum cleaner, potentially starting a fire. Carefully clean t

he toner

dust with a dry, lint-free soft cloth and dispose of it according to local regulations.

HOT SURFACE

Immediately after using the product, some internal parts of the product will be extremely hot.

Wait at least 10 minutes for the product to cool down before you touch the internal parts of

the product.

When you move the product, carry the product as shown in the illustration.

(Products with scanning function only)

T

o prevent injuries, be

careful not to put your

fingers in the areas

shown in the illustrations.

(MFC models only)

When using your telephone equipment, basic safety precautions should always be followed

to reduce the risk of fire, electrical shock, and injury to people. These important safety

precautions include the following:

1.

DO NOT use this product near water

or locations that may become wet, for example,

near

a bathtub, wash bowl, kitchen sink or washing machine, in a wet basement or near a

swimming pool.

2.

Avoid using this product during

a thunderstorm. There may be a

remote risk of an electric

shock from lightning.

3.

DO NOT use this product to report a

gas leak in the vicinity of

the leak.

4.

Use only the pow

er cord provided with

the product (if included

in the box).

Read all of the instructions. Save them for later reference.

(MFC models only)

T

o reduce the risk of

shock or fire, electrical shock,

and injury to people; use

only a No. 26

AWG or larger telecommunication line cord.



Caution for Laser Product (WARNHINWEIS für Laserdrucker)

CA

UT

IO

N:

In

ca

se

of

an

y t

rou

bl

e w

it

h t

he

la

se

r u

ni

t,

re

pl

ac

e t

he

la

se

r u

ni

t i

ts

elf

. T

o

prevent direct exposure to the laser

beam, do not try to open t

he enclosure

of the laser unit.

ACHTUNG:

Im Falle von Störungen der Lasereinheit muß diese ersetzt werden. Das

Gehäuse der Lasereinheit darf nicht geöffnet werden, da sonst

Laserstrahlen austreten können.



Additional Information

When servicing the optical system of the machine, be careful not to place a screwdriver or

other reflective object in the path of the laser beam. Be sure to take off any personal

accessories such as watches and rings before working on the machine. A reflected beam,

though invisible, can permanently damage the eyes.

Since the beam is invisible, the following caution in print is attached on the laser unit.



Standard Telephone and FCC Notices (MFC models only)

These notices are in effect on models sold and used in the United States only.

When programming emergency numbers or making test calls to emergency numbers:

•

Remain on the line and brie

fly explai

n to the dispatche

r the reason for the call before

hanging up.

•

Perform thes

e activiti

es in the off-pea

k hours, such as early morn

ing or late evening.

This equipment complies with Part 68 of the FCC rules and the requirements adopted by the

ACTA.

On the backside of

this equipment is a

label that contains, among

other information, a

product identifier in the format US: AAAEQ##TXXXX. If requested, this number must be

provided to the telephone company.

Y

ou may safely connect t

his equipment to the telep

hone line by means of

a standard modular

jack, USOC RJ1

1C.

A plug and jack used to connect this equipment to the premises wiring and telephone

network must comply with the applicable FCC Part 68 rules and require

ments adopted by the

ACTA. A compliant telephone cord and modular plug is provided with this product. It is

designed to be connected to a compatible modular jack that is also compliant. (See

installation instructions for details.)

The Ringer Equivalence Number (REN) is use

d to determine the number of d

evices that may

be connected to a telephone line. Excessive RENs on a telephone line may result in the

devices not ringing in response to an incoming call. In most but not all areas, the sum of

RENs should not exceed five (5

.0). T

o be certain of the

number of devices that may

be

connected to a line,

as determined by the total RE

Ns, contact the local telephone company.

For products approved after July 23, 2001, the REN for this product is part of the product

identifier that has the format US:AAAEQ##TXXXX

. The digits represented by ## are the REN

without a decimal point (e.g., 06

is a REN of 0.6). For ea

rlier products, the REN is separately

shown on the label.

If this equipment causes harm to the telephone network, the telephone company will notify

you in advance that temporary discontinuance of service may be required. But if advance

notice is not practical, the telephone company will notify the customer as soon as possible.

Also, you will be advised of your right to file a complaint with the FCC if you believe it is

necessary. The telephone company may make changes in its facilities, equipment,

operations or procedures that could affect the operation of the equipment. If this happens the

telephone company will provide advance notice in order for you to make necessary

modifications to maintain uninterrupted service.

If trouble is experienced with this equipment, for repair or warranty information, please

contact Brother Customer Service (see the Online User's Guide: Brother numbers). If the

equipment is causing harm to the telephone network, the telephone company may request

that you disconnect the equipment until the problem is resolved.

Connection to party line service is subject

to state tariffs. Contact the state public utility

commission, public service commission or corporation commission for information.

If your home has specially wired alarm equipment connected to the telephone line, ensure

the installation of this equipment does not disable your alarm equipment. If you have

questions about what will disable alarm equipment, call your telephone company or a

qualified installer.

If you are not able to solve a problem with your product, contact Brother Customer Service

(see the Online User's Guide: Brother numbers).

WARNING

For protection against the risk of electrical shock, always disconnect all cables from the

walloutlet before the equipment is installed, serviced, or modified.

DO NOT attempt to service this product yourself. Refer all servicing to a Brother

Authorized Service Center.

IMPORTANT

•

This equi

pment may not be use

d on coin servi

ce lines pro

vided by the tel

ephone

company or connected to party lines.

•

Brother cann

ot accept any fina

ncial or other resp

onsibi

lities tha

t may be the result of

your use of this information, including direct, special or consequential damages. There

are no warranties extended or granted by this document.

•

A grounded plug sho

uld be plugged int

o a grounded AC power outl

et after check

ing the

rating of the local power supply for the product to operate properly and safely.

M

o

d

e

l

M

F

C

-

7

3

9

0

M

F

C

-

7

4

9

0

D

MFC-B7715DW

MFC-B7720DN

MFC-L2715D

MFC-L2716D

MFC-L2690DW

MFC-L2710DN

MFC-L2710DW

MFC-L2712DN

MFC-L2712DW

MFC-L2713DW

MFC-L2715DW

MFC-L2716DW

MFC-L2717DW

Warm up Time

(From Sleep Mode)

Less than 9 sec. at 73.4F / 50% (23°C

/ 50%)

Warm up Time

(From Power ON)

Less than 27 sec.

at 73.4F / 50% (23°C / 50%)

Less than 27 sec. at 73.4F /

50% (23°C / 50%)

(MFC-B7715DW for EU,

L2715D, L2716D)

Less than 28 sec. at 73.4F /

50% (23°C / 50%)

(MFC-B7715DW for ASA,

B7720DN)

Less than 28 sec. at 73.4F / 50%

(23°C / 50%)

FPOT

(From Ready Mode

and Standard Tray)

Less than 8.5 sec. at 73.4F (23°C) / 230V

FPOT

(From Sleep Mode

and Standard Tray)

Less than 17.5 sec. at 73.4F (23°C) / 230V

Mono Print Speed

(A4/Letter)

Up to 30/32 ppm

(Quiet Mode: Up to 13/13 ppm)

Up to 34/36 ppm

(Quiet Mode: Up

to 13/13 ppm)

Up to 30/32 ppm

(Quiet Mode: Up to 13/13 ppm)

(for MFC-L2710DN,

L2710DW

,

L2712DN, L2712DW)

Up to 26/26 ppm

(Quiet Mode: Up to 13/13 ppm)

(for MFC-L2690DW)

Up to 34/36 ppm

(Quiet Mode:

Up to 13/13 ppm)

Full Color Print

Speed (A4/Letter)

N/A

Mono Duplex Print

Speed (A4/Letter)

N/A

15/15 sides per minute

(7.5/7.5 sheets

per minute)

16/17 sides per minute

(8/8.5 sheets per

minute)

15/15 sides per minute

(7.5/7.5 sheets

per minute)

16/17 sides per minute

(8/8.5 sheets per

minute)

Full Color Duplex Print

Speed (A4/Letter)

N/A

P

r

o

c

e

s

o

r

6

0

M

H

z

B

a

c

k

u

p

C

l

o

c

k

U

p

t

o

2

h

o

u

r

s

Carton Dimensions

(W x D x H)

580 x 570 x 434 mm

22.8" x 22.4" x 17.1"

580 x 517 x 434 mm

22.8" x 20.4" x 17.1"

(except for MFC-B7720DN)

580 x 570 x 434 mm

22.8" x 22.4" x 17.1"

(MFC-B7720DN)

580 x 517 x 434 mm

22.8" x 20.4" x 17.1"

Machine Dimensions

(W x D x H)

481 x 398.5 x 318.5 mm

18.9" x 15.7" x 12.5"

410 x 398.5 x 318.5 mm

16.1" x 15.7" x 12.5"

(except for MFC-B7720DN)

481 x 398.5 x 318.5 mm

18.9" x 15.7" x 12.5"

(MFC-B7720DN)

410 x 398.5 x 318.5 mm

16.1" x 15.7" x 12.5"

W

e

i

g

h

t

w

/

C

a

r

t

o

n

T

B

D

T

B

D

15.0 kg / 33.0 lb

(MFC-B7715DW for ASA)

15.1 kg / 33.3 lb

(MFC-B7715DW for EU)

15.5 kg / 34.3 lb

(MFC-B7720DN)

TBD

(MFC-L2715D, L2716D)

14.7 kg / 32.5 lb

(MFC-L2710DN, L2710DW

for US/EU/OCE(ARL))

14.9 kg / 32.8 lb

(MFC-L2712DN, L2712DW)

TBD

(MFC-L2690DW, L2710DW

for LTN)

14.7 kg / 32.5 lb

(MFC-L2713DW, L2715DW

for TWN, L2717DW)

14.8 kg / 32.6 lb

(MFC-L2715DW for KOR,

L2716DW)

15.1 kg / 33.3 lb

(MFC-L2715DW for ASA)

Weight w/o Carton,

w/ toner/drum

T

B

D

T

B

D

12.0 kg / 26.5 lb

(MFC-B7715DW)

12.1 kg / 26.7 lb

(MFC-B7720DN)

TBD

(MFC-L2715D, L2716D)

11.8 kg / 26.0 lb

(except for

MFC-L2690DW,

L2710DW for LTN)

TBD

(MFC-L2690DW, L2710DW

for LTN)

11.8 kg / 26.0 lb

(MFC-L2713DW, L2715DW

for KOR/TWN, L2716DW,

L2717DW)

12.0 kg / 26.5 lb

(MFC-L2715DW for ASA)

Weight w/o Carton

and toner/drum

T

B

D

T

B

D

10.9 kg / 24.0 lb

(MFC-B7715DW for EU)

11.1 kg / 24.5 lb

(MFC-B7715DW for ASA)

11.2 kg / 24.7 lb

(MFC-B7720DN)

TBD

(MFC-L2715D, L2716D)

10.7 kg / 23.6 lb

(MFC-L2710DN, L2710DW

for EU, L2712DN, L2712DW)

10.9 kg / 24.0 lb

(MFC-L2710DW for US/

OCE(ARL))

TBD

(MFC-L2690DW, L2710DW

for LTN)

10.7 kg / 23.6 lb

(MFC-L2715DW for ASA)

10.9 kg / 24.0 lb

(MFC-L2713DW, L2715DW

for KOR/TWN, L2716DW,

L2717DW)

Specifications are subject to change without

notice.

Model

MFC-L2730DW

MFC-L2732DW

MFC-7895DW

MFC-7890DN

MFC-B7700D

MFC-L2750DW

MFC-L2750DWXL

MFC-L2751DW

MFC-L2752DW

MFC-L2770DW

MFC-L2771DW

Warm up Time

(From Sleep Mode)

Less than 9 sec.

at 73.4F / 50%

(23°C / 50%)

Less than 4.0 sec.

at 73.4F / 50%

(23°C / 50%)

Less than 9 sec.

at 73.4F / 50% (23°C / 50%)

Less than 4.0 sec.

at 73.4F / 50%

(23°C / 50%)

Warm up Time

(From Power ON)

Less than 28 sec. at 73.4F / 50%

(23°C / 50%)

Less than 27 sec.

at 73.4F / 50%

(23°C / 50%)

(for MFC-B7700D)

Less than 28 sec.

at 73.4F / 50%

(23°C / 50%)

(for MFC-7890DN)

Less than 28 sec. at 73.4F / 50%

(23°C / 50%)

FPOT

(From Ready Mode

and Standard Tray)

Less than 8.5

sec. at 73.4F

(23°C) / 230V

Less than 7 sec.

at 73.4F (23°C) /

230V

Less than 8.5 sec.

at 73.4F (23°C) / 230V

Less than 7 sec.

at 73.4F (23°C) /

230V

FPOT

(From Sleep Mode

and Standard Tray)

Less than 17.5

sec. at 73.4F

(23°C) / 230V

Less than 11 sec.

at 73.4F (23°C) /

230V

Less than 17.5 sec.

at 73.4F (23°C) / 230V

Less than 11 sec.

at 73.4F (23°C) /

230V

Mono Print Speed

(A4/Letter)

Up to 34/36 ppm

(Quiet Mode: Up to 13/13 ppm)

Full Color Print

Speed (A4/Letter)

N/A

Mono Duplex Print

Speed (A4/Letter)

16/17 sides per minute

(8/8.5 sheets per minute)

Full Color Duplex Print

Speed (A4/Letter)

N/A

P

r

o

c

e

s

o

r

6

0

M

H

z

B

a

c

k

u

p

C

l

o

c

k

U

p

t

o

6

0

h

o

u

r

s

Up to 2 hours

(for MFC-B7700D)

Up to 60 hours

(for MFC-7890DN)

Up to 60 hours

Carton Dimensions

(W x D x H)

580 x 517 x 434 mm

22.8" x 20.4" x 17.1"

608 x 570 x 434 mm

23.9" x 22.4" x 17.1"

580 x 570 x 434 mm

22.8" x 22.4" x 17.1"

580 x 517 x 434 mm

22.8" x 20.4" x 17.1"

608 x 570 x 434 mm

23.9" x 22.4" x 17.1"

Machine Dimensions

(W x D x H)

410 x 398.5 x 318.5 mm

16.1" x 15.7" x 12.5"

481 x 426.5 x 318.5 mm

18.9" x 16.8" x 12.5"

481 x 398.5 x 318.5 mm

18.9" x 15.7" x 12.5"

410 x 398.5 x 318.5 mm

16.1" x 15.7" x 12.5"

410 x 426.5 x 318.5 mm

18.9" x 16.8" x 12.5"

Weight w/ Carton

14.7 kg / 32.5 lb

(MFC-L2730DW for

US/EU/OCE)

14.9 kg / 32.8 lb

(for MFC-L2732DW)

TBD

(MFC-L2730DW for

LTN)

16.2 kg / 35.8 lb

15.5 kg / 34.3 lb

(MFC-B7700D)

TBD

(MFC-7890DN)

14.9 kg / 32.9 lb

(MFC-L2750D

W

for

US/EU/OCE,

L2751DW for ASA)

15.0 kg / 33.0 lb

(MFC-L2751D

W

for

EU)

15.3 kg / 33.8 lb

(MFC-L2750D

W

for

ASA)

15.5 kg / 34.1 lb

(MFC-L2750DWXL)

TBD

(MFC-L2750D

W

for

LTN, L2752DW)

15.9 kg / 35.1 lb

(MFC-L2770DW for

OCE)

16.0 kg / 35.3 lb

(MFC-L2771DW)

16.2 kg / 35.8 lb

(MFC-L2770DW for

ASA)

Weight w/o Carton,

w/ toner/drum

11.8 kg / 26.0 lb

(MFC-L2730DW for

US/EU/OCE,

L2732DW)

TBD

(MFC-L2730DW for

LTN)

12.8 kg / 28.2 lb

12.1 kg / 26.7 lb

(MFC-B7700D)

TBD

(MFC-7890DN)

12.0 kg / 26.5 lb

(MFC-L2750D

W

for

US/EU/OCE,

L2751DW, L2752DW)

12.2 kg / 26.9 lb

(MFC-L2750D

W

for

ASA)

12.6 kg / 27.7 lb

(MFC-L2750DWXL)

TBD

(MFC-L2750DW for LTN)

12.7 kg / 28.0 lb

(MFC-L2770DW for

OCE, L2771DW)

12.9 kg / 28.4 lb

(MFC-L2770DW for

ASA)

Weight w/o Carton

and toner/drum

10.7 kg / 23.6 lb

(MFC-L2730DW for

EU, L2732DW)

10.9 kg / 24.0 lb

(MFC-L2730DW for

US/OCE)

TBD

(MFC-L2730DW for

LTN)

11.9 kg / 26.2 lb

11.2 kg / 24.7 lb

(MFC-B7700D)

TBD

(MFC-7890DN)

10.9 kg / 24.0 lb

(MFC-L2750D

W

for

EU/ASA, L2751DW

for EU, L2752DW)

11.1 kg / 24.5 lb

(MFC-L2750DW for

US/OCE, L2750DWXL,

L2751DW for ASA)

TBD

(MFC-L2750DW for LTN)

11.6 kg / 25.6 lb

(MFC-L2770DW for

ASA, L2771DW)

11.8 kg / 26.0 lb

(MFC-L2770DW for

OCE)

Specifications are subject to change without

notice.

2

.

N

E

T

W

O

R

K

C

O

N

E

C

T

I

V

IT

Y

Model

DCP-7090

DCP-7095D

DCP-B7500D

DCP-L2510D

DCP-L2511D

DCP-L2512D

DCP-L2535D

DCP-L2536D

DCP-B7520DW

DCP-L2530DW

DCP-L2531DW

DCP-L2532DW

DCP-L2535DW

DCP-L2537DW

HL-L2390DW

DCP-7190DN

DCP-B7530DN

DCP-L2550DN

DCP-L2551DN

DCP-L2552DN

W

i

r

e

d

n

e

t

w

o

r

k

N

e

t

w

o

r

k

node type

N

/

A

N

C

-

9

3

0

h

type2

N

/

A

N

C

-

9

3

0

h

type2

Wire

les

s n

etw

ork

Netw

ork

node type

N

/

A

N

C

-

8

0

w

t

y

p

e

2

N

/

A

Model

DCP-7195DW

DCP-B7535DW

DCP-L2550DW

DCP-L2551DW

HL-L2395DW

MFC-7390

MFC-7490D

MFC-B7700D

MFC-L2715D

MFC-L2716D

MFC-B7720DN

MFC-L2710DN

MFC-L2712DN

W

i

r

e

d

n

e

t

w

o

r

k

N

e

t

w

o

r

k

node type

N

C

-

9

3

0

h

t

y

p

e

2

N

/

A

N

C

-

9

3

0

h

type2

Wire

les

s n

etw

ork

Netw

ork

node type

N

C

-

8

0

w

t

y

p

e

2

N

/

A

Model

MFC-L2690DW

MFC-B7715DW

MFC-L2710DW

MFC-L2712DW

MFC-L2713DW

MFC-L2715DW

MFC-L2716DW

MFC-L2717DW

MFC-7890DN

MFC-L2730DW

MFC-L2732DW

MFC-7895DW

MFC-L2750DW

MFC-L2750DWXL

MFC-L2751DW

MFC-L2752DW

MFC-L2770DW

MFC-L2771DW

W

i

r

e

d

n

e

t

w

o

r

k

N

e

t

w

o

r

k

node type

N

/

A

N

C

-

9

3

0

h

t

y

p

e

2

Wire

les

s n

etw

ork

Netw

ork

node type

N

C

-

8

0

w

t

y

p

e

2

N

/

A

N

C

-

8

0

w

t

y

p

e

2

Specifications are subject to change without notice.

CHCH

APAP

TETE

R 2R 2

ERER

RORO

R IR I

NDND

ICIC

AA

TIOTIO

NS NS

ANAN

DD

TROUBLESHOOTINGTROUBLESHOOTING

11

..

II

NN

TT

RR

OO

DD

UU

CC

TT

II

OO

NN

Troubleshooting is the countermeasure procedures that the service personnel should follow ifTroubleshooting is the countermeasure procedures that the service personnel should follow if

an error or malfunction occurs with the machine. It is impossible to anticipate all of the possiblean error or malfunction occurs with the machine. It is impossible to anticipate all of the possible

troubles which may occur in future and determine the troubleshooting procedures, so thistroubles which may occur in future and determine the troubleshooting procedures, so this

chapter covers some sample troubles. chapter covers some sample troubles.

However, those samples will help the service personnelHowever, those samples will help the service personnel

pinpoint and repair other defective elements.pinpoint and repair other defective elements.

11

..

11

PP

rr

ee

cc

aa

uu

tt

ii

oo

nn

ss

Be sure to observe and follow all the precautions to prevent any secondary problems fromBe sure to observe and follow all the precautions to prevent any secondary problems from

happening during troubleshooting.happening during troubleshooting.

(1)(1)

Always tAlways t

urn OFF the pourn OFF the po

wer and unwer and un

plug the poplug the po

wer cablwer cabl

e before reme before rem

oving any coving any c

overs orovers or

PCBs, adjusting the machine and so on. If you need to take voltage measurements with thePCBs, adjusting the machine and so on. If you need to take voltage measurements with the

power switched on, take the greatest of care not to receive an electric shock.power switched on, take the greatest of care not to receive an electric shock.

(2)(2)

When conWhen con

nectinnectin

g or discong or discon

nectinnectin

g cable cog cable co

nnectornnector

s, make sus, make su

re that you hre that you h

old theold the

connector body and not the cables.connector body and not the cables.

(3)(3)

StSt

atic elecatic elec

tricittricit

y charged in youy charged in you

r body may damagr body may damag

e electrone electron

ic partic part

s. Before hands. Before hand

ling theling the

PCBs, touch a metal portion of the machine to discharge static electricity charged in yourPCBs, touch a metal portion of the machine to discharge static electricity charged in your

bodybody

. When transporting PCB. When transporting PCB

s, be sure to wrap s, be sure to wrap

them in conductive sheets.them in conductive sheets.

When replacing the PCBs, put on a grounding wrist band and perform the job on anWhen replacing the PCBs, put on a grounding wrist band and perform the job on an

antistatic mat. Also take care not to touch the conductor sections on the flat cables.antistatic mat. Also take care not to touch the conductor sections on the flat cables.

(4)(4)

FolFol

low low

the the

warwar

ninnin

g by ag by a

ll mll m

eanean

s.s.

WarningWarning

Hazard labels as shown below are attached to the machine. Fully understand theHazard labels as shown below are attached to the machine. Fully understand the

descriptions on the hazard labels and observe them during troubleshooting.descriptions on the hazard labels and observe them during troubleshooting.

Take extreme care not to remove or damage the hazard labels.Take extreme care not to remove or damage the hazard labels.

(5)(5)

Check aCheck a

gain that tgain that t

he portiohe portio

ns and parns and par

ts repts rep

aired or reaired or re

moved durmoved dur

ing the reping the rep

air workair work

function properly when the repair is completed.function properly when the repair is completed.

A certain interface A certain interface

or function could or function could

be set to be set to

invalid to serve invalid to serve

the needs of the needs of

customers. Ask salescustomers. Ask sales

representative if this is the case before performing the check.representative if this is the case before performing the check.

WarningWarning

DO NOTDO NOT

use any flammable spray or flammable solvent such as alcohol,use any flammable spray or flammable solvent such as alcohol,

benzine, or thinner in or around the machine. Otherwise a fire or electric shockbenzine, or thinner in or around the machine. Otherwise a fire or electric shock

may result.may result.

Brother DCP-7090 User manual

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