Brother MFC-7840N, MFC-7450, MFC-7340 User Manual
USER’S GUIDE
MFC-7340
MFC-7450
MFC-7840N
Version A
CHN-ENG
If you need to call Customer Service
Please complete the following information for future
reference:
Model Number: MFC-7340, MFC-7450 and MFC-7840N
(Circle your model number)
Serial Number:
1
Date of Purchase:
Place of Purchase:
1
The serial number is on the back of the unit. Retain
this User’s Guide with your sales receipt as a
permanent record of your purchase, in the event of
theft, fire or warranty service.
© 2008 Brother Industries, Ltd.
Approval Information and Compilation and Publication Notice
THIS EQUIPMENT IS DESIGNED TO WORK WITH A TWO WIRE ANALOGUE PSTN LINE
FITTED WITH THE APPROPRIATE CONNECTOR.
APPROVAL INFORMATION
Brother advises that this product may not function correctly in a country other than where it was
originally purchased, and does not offer any warranty in the event that this product is used on
public telecommunication lines in other countries.
Compilation and Publication Notice
Under the supervision of Brother Industries Ltd., this manual has been compiled and published,
covering the latest product descriptions and specifications.
The contents of this manual and the specifications of this product are subject to change without
notice.
Brother reserves the right to make changes without notice in the specifications and materials
contained herein and shall not be responsible for any damages (including consequential) caused
by reliance on the materials presented, including but not limited to typographical and other errors
relating to the publication.
i
Table of Contents
Section I General
1 General information 2
Using the documentation.......................................................................................2
Symbols and conventions used in the documentation ....................................2
Accessing the Software User’s Guide and Network User’s Guide
(MFC-7840N only) ..............................................................................................2
Viewing documentation ................................................................................... 2
Control panel overview ..........................................................................................6
2 Loading paper and documents 9
Loading paper and print media ..............................................................................9
Loading paper in the paper tray.......................................................................9
Loading paper in the manual feed slot ..........................................................10
Unprintable area ............................................................................................13
Acceptable paper and other print media..............................................................14
Recommended paper and print media ..........................................................14
Type and size of paper .................................................................................. 14
Handling and using special paper .................................................................15
Loading documents .............................................................................................18
Using the automatic document feeder (ADF) ................................................18
Using the scanner glass ................................................................................19
3 General setup 20
Mode timer...........................................................................................................20
Paper settings......................................................................................................20
Paper type .....................................................................................................20
Paper size......................................................................................................20
Volume settings ...................................................................................................21
Ring volume...................................................................................................21
Beeper volume ..............................................................................................21
Speaker volume.............................................................................................21
Ecology features .................................................................................................. 21
Toner Save ....................................................................................................21
Sleep time......................................................................................................22
LCD contrast........................................................................................................22
Setting the fax logic .............................................................................................22
Dial prefix.............................................................................................................23
Setting up the prefix number .........................................................................23
Changing the prefix number .......................................................................... 23
4 Security features 24
Security................................................................................................................24
TX Lock (MFC-7340 only) .............................................................................24
ii
Turning the TX Lock on/off ............................................................................ 25
Memory Security (MFC-7450 only)................................................................25
Secure Function Lock (MFC-7840N only) ..................................................... 27
Setting lock....................................................................................................30
Restricting dialling................................................................................................ 31
Dial pad restriction.........................................................................................31
One Touch restriction ....................................................................................31
Speed Dial restriction ....................................................................................31
Section II Fax
5 Sending a fax 34
How to fax............................................................................................................ 34
Entering fax mode ......................................................................................... 34
Sending a fax from the ADF ..........................................................................34
Sending a fax from the scanner glass ........................................................... 34
Cancelling a fax in progress .......................................................................... 35
Broadcasting ....................................................................................................... 35
Cancelling a broadcast in progress ...............................................................35
Additional sending operations.............................................................................. 36
Sending faxes using multiple settings ...........................................................36
Electronic cover page....................................................................................36
Contrast......................................................................................................... 37
Changing fax resolution.................................................................................38
Dual access ................................................................................................... 38
Real time transmission ..................................................................................38
Overseas mode ............................................................................................. 39
Delayed fax....................................................................................................39
Delayed batch transmission .......................................................................... 39
Checking and cancelling waiting jobs............................................................ 40
Sending a fax manually .................................................................................40
Out of memory message ...............................................................................40
6 Receiving a fax 41
Receive modes....................................................................................................41
Choosing the receive mode........................................................................... 41
Using receive modes ...........................................................................................42
Fax Only ........................................................................................................42
Fax/Tel...........................................................................................................42
Manual........................................................................................................... 42
External TAD ................................................................................................. 42
Receive mode settings ........................................................................................ 43
Ring delay...................................................................................................... 43
F/T ring time (Fax/Tel mode only) .................................................................43
Fax Detect ..................................................................................................... 43
Setting the print density ................................................................................. 44
Additional receiving operations............................................................................ 44
Printing a reduced incoming fax .................................................................... 44
iii
Setting the fax receive stamp ........................................................................ 44
Receiving faxes into memory ........................................................................45
Printing a fax from the memory ..................................................................... 45
7 Telephone and external devices 46
Telephone line services .......................................................................................46
Caller ID (Caller IDentification) (not available in certain area).......................46
Advantages of Caller ID.................................................................................46
Setup Method ................................................................................................ 46
Caller ID feature ............................................................................................46
Connecting an external TAD ...............................................................................48
Connections...................................................................................................48
Recording an outgoing message (OGM).......................................................48
Multi-Line connections (PABX)......................................................................49
External and extension telephones......................................................................49
Operation from extension telephones............................................................49
For Fax/Tel mode only...................................................................................50
Connecting an external or extension telephone ............................................50
Using a non-Brother cordless external handset ............................................50
Using remote codes.......................................................................................51
8 Dialling and storing numbers 52
How to dial ...........................................................................................................52
Manual dialling...............................................................................................52
One touch dialling..........................................................................................52
Speed dialling ................................................................................................52
Search ........................................................................................................... 52
Fax redial.......................................................................................................53
Storing numbers ..................................................................................................53
Storing a pause .............................................................................................53
Storing one touch dial numbers.....................................................................53
Storing speed dial numbers...........................................................................54
Changing one touch and speed dial numbers ...............................................55
Setting up groups for broadcasting................................................................55
Combining quick dial numbers ...................................................................... 56
Tone or pulse.................................................................................................56
9 Remote fax options 57
Fax forwarding .....................................................................................................57
Fax storage.......................................................................................................... 57
PC fax receive .....................................................................................................58
Changing remote fax options...............................................................................59
Turning off remote fax options.......................................................................59
Remote retrieval ..................................................................................................60
Setting a remote access code .......................................................................60
Using your remote access code ....................................................................60
Retrieving fax messages ...............................................................................61
Changing the fax forwarding number ............................................................61
Remote fax commands........................................................................................62
iv
10 Polling 63
Polling receive ..................................................................................................... 63
Secure polling................................................................................................ 63
Delayed polling..............................................................................................63
Sequential polling .......................................................................................... 64
Polled transmit ....................................................................................................64
Setup for polled transmit................................................................................ 64
Setup for polled transmit with a secure code................................................. 65
11 Printing reports 66
Fax reports...........................................................................................................66
Transmission verification report.....................................................................66
Fax journal..................................................................................................... 66
Reports ................................................................................................................ 67
How to print a report......................................................................................67
Section III Copy
12 Making copies 70
How to copy......................................................................................................... 70
Entering copy mode....................................................................................... 70
Making a single copy ..................................................................................... 70
Making multiple copies ..................................................................................70
Stop copying.................................................................................................. 70
Copy options (temporary settings)....................................................................... 71
Enlarging or reducing the image copied ........................................................ 71
Using the Options key ...................................................................................72
Improving copy quality...................................................................................73
Sorting copies using the ADF ........................................................................ 73
Adjusting contrast .......................................................................................... 74
Making N in 1 copies (page layout) ...............................................................74
Out of memory message .....................................................................................75
Section IV Software
13 Software and Network (MFC-7840N only) features 78
How to read HTML User’s Guide......................................................................... 78
For Windows
For Macintosh
®
...............................................................................................78
®
..............................................................................................79
v
Section V Appendixes
A Safety and legal 82
Choosing a location .............................................................................................82
Important information...........................................................................................83
Safety precautions.........................................................................................83
IEC60825-1+A2:2001 Specification...............................................................86
Disconnect device .........................................................................................86
LAN connection (MFC-7840N only)...............................................................86
Radio interference .........................................................................................86
Important Safety Instructions.........................................................................87
Legal limitations for copying ................................................................................89
Trademarks..........................................................................................................90
B Troubleshooting and routine maintenance 91
Troubleshooting ...................................................................................................91
If you are having difficulty with your machine ................................................91
Improving the print quality .............................................................................98
Setting dial tone detection ........................................................................... 103
Telephone line interference .........................................................................104
Error and maintenance messages.....................................................................105
Transferring your faxes or Fax Journal report .............................................110
Document jams............................................................................................111
Paper jams ..................................................................................................112
Routine maintenance.........................................................................................116
Cleaning the outside of the machine ...........................................................116
Cleaning the scanner glass ......................................................................... 117
Cleaning the laser scanner window.............................................................118
Cleaning the corona wire.............................................................................120
Cleaning the drum unit ................................................................................122
Replacing the consumable items....................................................................... 124
Replacing a toner cartridge .........................................................................124
Replacing the drum unit...............................................................................127
Machine information .......................................................................................... 130
Checking the serial number.........................................................................130
Checking the page counters........................................................................130
Checking the Drum life ................................................................................130
Packing and shipping the machine ....................................................................131
C Menu and features 132
On-screen programming....................................................................................132
Menu table................................................................................................... 132
Memory storage...........................................................................................132
Menu keys .........................................................................................................132
How to access the menu mode ...................................................................133
Menu table .........................................................................................................134
Entering text.......................................................................................................143
vi
D Specifications 144
General.............................................................................................................. 144
Print media......................................................................................................... 146
Fax..................................................................................................................... 147
Copy ..................................................................................................................149
Scan ..................................................................................................................150
Print ...................................................................................................................151
Interfaces...........................................................................................................151
Computer requirements.....................................................................................152
Consumable items.............................................................................................154
Ethernet wired network (MFC-7840N only) ....................................................... 155
E Glossary 156
F Index 159
vii
viii
Section I
General I
General information 2
Loading paper and documents 9
General setup 20
Security features 24
1
General information 1
Using the documentation
Thank you for buying a Brother machine!
Reading the documentation will help you
make the most of your machine.
Symbols and conventions used in the documentation 1
The following symbols and conventions are
used throughout the documentation.
Bold Bold style identifies keys on the
machine control panel or
computer screen.
Italics Italicized style emphasizes an
important point or refers you to
a related topic.
Courier
New
Courier New font identifies the
messages shown on the LCD
of the machine.
Warnings tell you what to do to
prevent possible personal injury.
Cautions specify procedures you
must follow or avoid to prevent
possible damage to the machine or
other objects.
Electrical Hazard icons alert you to a
possible electrical shock.
Hot Surface icons warn you not to
touch machine parts that are hot.
Incorrect setup icons alert you to
devices and operations that are not
compatible with the machine.
Note icons give useful tips.
Accessing the Software
1
User’s Guide and
Network User’s Guide
(MFC-7840N only)
This User’s Guide does not contain all the
information about the machine such as how
to use the advanced features of Fax, Printer,
Scanner, PC Fax and Network (MFC-7840N
only). When you are ready to learn detailed
information about these operations, read the
Software User’s Guide and Network User’s
Guide (MFC-7840N only).
Viewing documentation 1
Viewing documentation (Windows®) 1
To view the documentation, from the Start
menu, point to Brother, MFC-XXXX (where
XXXX is your model name) from the program
group, and then click User’s Guides in
HTML format.
If you have not installed the software, you can
find the documentation by following the
instructions below:
a Turn on your PC.
Insert the Brother CD-ROM labelled
Windows
b If the language selection screen
appears, click your language.
®
into your CD-ROM drive.
1
2
General information
c If the model name screen appears, click
your model name.The CD-ROM main
menu will appear.
If this window does not appear, use
®
Windows
start.exe program from the root directory
of the Brother CD-ROM.
Explorer to find and run the
d Click Documentation.
e Click the documentation you want to
read:
HTML documents (3 manuals):
User’s Guide for stand-alone
operations, Software User’s Guide
and Network User’s Guide (MFC7840N only) in HTML format.
This format is recommended for
viewing on your computer.
How to find scanning instructions 1
There are several ways you can scan
documents. You can find the instructions as
follows:
Software User's Guide: 1
Scanning a document using the TWAIN
driver in Chapter 2
Scanning a document using the WIA
driver (For Windows
only) in Chapter 2
Using ControlCenter3 in Chapter 3
Network Scanning in Chapter 4 (MFC-
7840N only)
®
XP/Windows Vista®
Presto!® PageManager® User's Guide:1
The complete Presto!® PageManager®
User’s Guide can be viewed from the Help
selection in the Presto!
application.
®
PageManager®
1
PDF documents (4 manuals):
User’s Guide for stand-alone
operations, Software User’s Guide,
Network User’s Guide (MFC7840N only) and Quick Setup
Guide.
This format is recommended for
printing the manuals. Click to go to
the Brother Solutions Center, where
you can view or download the PDF
documents. (Internet access and
PDF Reader software are required.)
3
Chapter 1
Viewing documentation (Macintosh®) 1
a Turn on your Macintosh
Insert the Brother CD-ROM labelled
Macintosh
b The following window will appear.
®
into your CD-ROM drive.
®
.
c Double-click the Documentation icon.
d If the language selection screen
appears, double-click your language.
e Double-click the top page file to view the
User’s Guide, Software User’s Guide
and Network User’s Guide (MFC7840N only) in HTML format.
Note
The documents are also available in PDF
format (4 manuals):
User’s Guide for stand-alone operations,
Software User’s Guide, Network User’s
Guide (MFC-7840N only) and Quick
Setup Guide.
The PDF format is recommended for
printing the manuals.
Double-click Brother Solutions Center
icon to go to the Brother Solutions Center,
where you can view or download the PDF
documents. (Internet access and PDF
Reader software are required.)
f Click the documentation you want to
read.
Software User’s Guide
Network User’s Guide (MFC-
7840N only)
4
How to find scanning instructions 1
There are several ways you can scan
documents. You can find the instructions as
follows:
Software User's Guide: 1
Scanning in Chapter 9
Using ControlCenter2 in Chapter 10
Network Scanning in Chapter 11 (MFC-
7840N only)
Presto!® PageManager® User's Guide:1
The complete Presto!® PageManager®
User’s Guide can be viewed from the Help
selection in the Presto!
application.
®
PageManager®
General information
1
5
Chapter 1
Control panel overview 1
MFC-7340 and MFC-7450 have the same keys.
MFC-7840N
6
General information
1
7
Chapter 1
1 Fax and telephone keys:
Hook
Press before dialing if you want to make sure a
fax machine will answer, and then press Start.
Also, press this key after you pick up the
handset of an external telephone during the
F/T ring (fast double-rings).
Resolution
Sets the resolution when sending a fax.
Redial/Pause
Redials the last number called. It also inserts a
pause when programming quick dial numbers
or when dialling a number manually.
2 One Touch keys
These 4 keys give you instant access to 8
previously stored numbers.
Shift
Lets you access One Touch numbers 5 to 8
when held down.
3LCD
Displays messages to help you set up and use
your machine.
4 Menu keys:
Menu
Lets you access the Menu to program your
settings in this machine.
Clear/Back
Deletes entered data or lets you cancel the
current setting.
OK
Lets you store your settings in the machine.
Volume keys
d or c
Press to scroll backwards or forwards through
menu selections. Press to change the volume
when in fax or standby mode.
a or b
Press to scroll through the menus and options.
b Search/Speed Dial
Lets you look up numbers that are stored in the
dialling memory. It also lets you dial stored
numbers by pressing a three-digit number.
Reports
Print the Transmission Verification Report,
Help List, Tel Index List, Fax Journal,
User Settings and Network Configuration*
(* MFC-7840N only).
5Dialpad
Use these keys to dial telephone and fax
numbers and as a keyboard for entering
information into the machine.
The # key temporarily switches the dialling mode
from Pulse to Tone during a telephone call.
6Stop/Exit
Stops an operation or exits from a menu.
7Start
Lets you start sending faxes, making copies or
scanning.
8 Mode keys:
Fax
Puts the machine in Fax mode.
Scan
Puts the machine in Scan mode. (For details
about scanning, see the Software User’s Guide
on the CD-ROM.)
Copy
Puts the machine in Copy mode.
9 Print keys:
Secure (MFC-7840N only)
You can print data saved in memory when you
enter your four-digit password. (For details
about using the Secure key, see the Software
User’s Guide on the CD-ROM.)
(MFC-7840N only) When using Secure
Function Lock, you can switch restricted users
by holding down Shift as you press the Secure
key. (See Secure Function Lock (MFC-7840N
only) on page 27.)
Job Cancel
Cancels a programmed print job and clears it
from the machine’s memory.
To cancel multiple print jobs, hold down this
key until the LCD shows
Job Cancel (All).
10 Copy keys:
Options
You can quickly and easily choose temporary
settings for copying.
Enlarge/Reduce
Reduces or enlarges copies.
8
2
Loading paper and documents 2
Loading paper and print media
The machine can feed paper from the
standard paper tray or manual feed slot.
When you put paper into the paper tray, note
the following:
If your application software supports
paper size selection on the print menu,
you can select it through the software. If
your application software does not
support it, you can set the paper size in
the printer driver or by using the control
panel buttons.
Before using paper that has holes in it,
such as organizer sheets, you must ‘fan’
the stack to avoid paper jams and
misfeeds.
Loading paper in the paper tray 2
2
Printing on plain paper, recycled paper or transparencies from the paper tray
a Pull the paper tray completely out of the
machine.
b While pressing the green paper guide
release lever, slide the paper guides to
fit the paper size. Make sure that the
guides are firmly in the slots.
2
2
9
Chapter 2
c Put paper in the tray, and make sure that
the paper is below the maximum paper
mark (1). The side to be printed on must
be face down.
1
CAUTION
To prevent damage to your machine
caused by paper misfeeding, make sure the
paper guides touch the sides of the paper.
d Put the paper tray firmly back in the
machine. Make sure that it is completely
inserted into the machine.
Loading paper in the manual feed slot 2
You can load envelopes and special print
media one at a time into this slot. Use the
manual feed slot to print or copy on labels,
envelopes or thicker paper.
Printing on plain paper, recycled paper or transparencies from the manual feed slot
Note
The machine automatically turns on the
Manual Feed mode when you put paper in
the manual feed slot.
a Lift up the support flap (1) to prevent
paper from sliding off the face-down
output tray, or remove each page as
soon as it comes out of the machine.
2
e Fold out the support flap (1) to prevent
paper from sliding off the face-down
output tray.
1
10
1
b Open the manual feed slot cover.
Loading paper and documents
c Using both hands, slide the manual feed
slot paper guides to the width of the
paper that you are going to use.
d Using both hands, put one sheet of
paper or one transparency in the
manual feed slot until the front edge
touches the paper feed roller. When you
feel the machine pull in the paper, let go.
Printing on thick paper, bond paper, labels and envelopes
When the back output tray is pulled down, the
machine has a straight paper path from the
manual feed slot through to the back of the
machine. Use this paper feed and output
method when you want to print on thick
paper, labels or envelopes.
Note
• Remove each printed sheet or envelope
immediately to prevent a paper jam.
• The machine automatically turns on the
Manual Feed mode when you put paper in
the manual feed slot.
a Open the back cover (back output tray).
2
2
b Open the manual feed slot cover.
11
Chapter 2
c Using both hands, slide the manual feed
slot paper guides to the width of the
paper that you are going to use.
d Using both hands, put one sheet of
paper or one envelope in the manual
feed slot until the front edge of the paper
or envelope touches the paper feed
roller. When you feel the machine pull in
the paper, let go.
Note
• Put the paper into the manual feed slot
with the side to be printed face up.
• Make sure that the paper or print media
(see Acceptable paper and other print
media on page 14.) is straight and in the
correct position on the manual feed slot. If
it is not, the paper or the transparency
may not be fed properly, resulting in a
skewed printout or a paper jam.
• Do not put more than one sheet of paper
in the manual feed slot at any one time, as
it may cause a jam.
• If you put any print media in the manual
feed slot before the machine is in the
Ready state, the print media may be
ejected without being printed on.
• To easily remove a small printout from the
output tray, lift up the scanner cover by
using both hands as shown in the
illustration.
12
• You can still use the machine while the
scanner cover is up. To close the scanner
cover, push it down with both hands.
Loading paper and documents
Unprintable area 2
Unprintable area for faxes and copies 2
The printable area of your machine begins at approximately 3 mm from the top and bottom and
2 mm from both sides of the paper.
2
2
1
13mm
22mm
Note
(For copies) The unprintable area shown
above is for a single copy or a 1 in 1 copy
using A4 size paper. The unprintable area
changes with the paper size.
1
Unprintable area when printing from a computer 2
When using the printer driver the printable area is smaller than the paper size, as shown below.
Portrait
2
2
1
Landscape
1
2
2
2
1
1
Windows® printer driver and
®
Macintosh
printer driver
BRScript Driver for Windows
and Macintosh®
(MFC-7450 and MFC-7840N only)
Portrait 1 4.23 mm 4.23 mm
2 6.01 mm 4.23 mm
Landscape 1 4.23 mm 4.23 mm
2 5 mm 4.23 mm
Note
The unprintable area shown above is for A4 size paper. The unprintable area changes with the
paper size.
®
13
Chapter 2
Acceptable paper and other print media
Print quality may vary according to the type of
paper you are using.
You can use the following types of print
media: plain paper, bond paper, recycled
paper, transparencies, labels or envelopes.
For best results, follow the steps below:
Use paper made for plain paper copying.
Use paper that is 75 to 90 g/m
Use labels and transparencies which are
designed for use in laser machines.
Do not put different types of paper in the
paper tray at the same time because it
may cause paper jams or misfeeds.
For correct printing, you must choose the
same paper size from your software
application as the paper in the tray.
Avoid touching the printed surface of the
paper immediately after printing.
When you use transparencies remove
each sheet immediately to prevent
smudging or paper jams.
Use long grain paper with a neutral Ph
value, and a moisture content of approx
5%.
2
.
Recommended paper and print media 2
2
To get the best print quality, we suggest using
the following paper.
Paper Type Item
Plain Paper
APP Blue Flagship 70 g/m
APP Gold Flagship 80 g/m
Advanced Agro Double A 80 g/m
Type and size of paper 2
The machine loads paper from the installed
standard paper tray or manual feed slot.
Standard paper tray 2
Since the standard paper tray is a universal
type, you can use any of the paper sizes (one
paper type and size at a time) listed in the
table in Paper capacity of the paper trays
on page 15. The standard paper tray can
hold up to 250 sheets of Letter/A4 size paper
(80 g/m
maximum paper mark on the sliding paper
width guide.
Manual Feed Slot 2
The manual feed slot can hold a sheet with a
size of 76.2 to 220 mm wide and 116 to
406.4 mm long. You can use the manual feed
slot if you are using special paper, envelopes
or labels.
2
). Paper can be loaded up to the
2
2
2
14
Loading paper and documents
Paper capacity of the paper trays 2
Paper size Paper types No. of sheets
Paper Tray A4, Letter, Executive,
A5, A6, B5, B6
Manual Feed Slot Width: 76.2 to 220 mm
Length: 116 to 406.4 mm
Plain paper and recycled
paper
Transparency up to 10
Plain paper, recycled
paper, bond paper,
envelopes, labels and
transparencies
up to 250
(80 g/m
1
2
)
Recommended paper specifications 2
The following paper specifications are suitable for this machine.
2
Basis weight
Thickness 80-110 µm
Roughness Higher than 20 sec.
Stiffness
Grain direction Long grain
Volume resistivity
Surface resistivity
Filler CaCO
Ash content Below 23 wt%
Brightness Higher than 80 %
Opacity Higher than 85 %
75-90 g/m
90-150 cm
10e
10e
2
3
/100
9
-10e11 ohm
9
-10e12 ohm-cm
(Neutral)
3
Handling and using special paper 2
The machine is designed to work well with
most types of xerographic and bond paper.
However, some paper variables may have an
effect on print quality or handling reliability.
Always test samples of paper before
purchasing to ensure desirable performance.
Store paper in its original packaging and keep
it sealed. Keep the paper flat and away from
moisture, direct sunlight and heat.
Some important guidelines when selecting
paper are:
Do not use inkjet paper because it may
cause a paper jam or damage your
machine.
Preprinted paper must use ink that can
withstand the temperature of the
machine's fusing process (200 degrees
centigrade).
If you use bond paper, paper having a
rough surface or paper that is wrinkled or
creased, the paper may exhibit degraded
performance.
15
Chapter 2
Types of paper to avoid 2
Some types of paper may not perform well
or may cause damage to your machine.
DO NOT use paper:
CAUTION
• that is highly textured
• that is extremely smooth or shiny
• that is curled or warped
1
1
12mm
• that is coated or has a chemical finish
• that is damaged, creased or folded
• that exceeds the recommended weight
specification in this guide
• with tabs and staples
• with letterheads using low temperature
dyes or thermography
• that is multipart or carbonless
• that is designed for inkjet printing
Envelopes 2
Most envelopes will be suitable for your
machine. However, some envelopes may
have feed and print-quality problems
because of the way they have been made. A
suitable envelope should have edges with
straight, well-creased folds and the leading
edge should not be thicker than two sheets of
paper. The envelope should lie flat and not be
of baggy or flimsy construction. You should
buy quality envelopes from a supplier who
understands that you will be using the
envelopes in a laser machine.
Envelopes can be fed from the manual feed
slot one at a time. We recommend that you
print a test envelope to make sure the print
results are what you want before you print or
purchase a large quantity of envelopes.
Check the following:
Envelopes should have a lengthwise
sealing flap.
The sealing flaps should be folded crisply
and correctly (irregularly cut or folded
envelopes may cause paper jams).
Envelopes should consist of two layers of
paper in the area circled in figure below.
If you use any of the types of paper listed
above, they may damage your machine.
This damage is not covered under any
Brother warranty or service agreement.
16
1
1 Feeding direction
1
Envelope joints that are sealed by the
manufacturer should be secure.
We recommend that you do not print
within 15 mm of the edges of envelopes.
Loading paper and documents
Types of envelopes to avoid 2
DO NOT use envelopes:
CAUTION
• that are damaged, curled, wrinkled or an
unusual shape
• that are extremely shiny or textured
• with clasps, staples, snaps or tie strings
• with self-adhesive closures
• that are of a baggy construction
• that are not sharply creased
• that are embossed (have raised writing
on them)
• that were previously printed by a laser
machine
• that are pre-printed on the inside
• that cannot be arranged neatly when
stacked
• that are made of paper that weighs more
than the paper weight specifications for
the machine
• with edges that are not straight or
consistently square
• with windows, holes, cut-outs or
perforations
• with glue on surface as shown in figure
below
• with sealing flaps that have not been
folded at purchase
• with sealing flaps as shown in figure
below
2
• with each side folded as shown in figure
below
If you use any of the types of envelopes
listed above, they may damage your
machine. This damage is not covered
under any Brother warranty or service
agreement.
Occasionally you may experience paper
feed problems caused by the thickness,
size and flap shape of the envelopes you
are using.
• with double flaps as shown in figure
below
17
Chapter 2
Labels 2
The machine will print on most types of labels
designed for use with a laser machine. Labels
should have an adhesive that is acrylic-based
since this material is more stable at the high
temperatures in the fuser unit. Adhesives
should not come in contact with any part of
the machine, because the label stock may
stick to the drum unit or rollers and cause
jams and print quality problems. No adhesive
should be exposed between the labels.
Labels should be arranged so that they cover
the entire length and width of the sheet. Using
labels with spaces may result in labels
peeling off and causing serious jams or print
problems.
All labels used in this machine must be able
to withstand a temperature of 392 degrees
Fahrenheit (200 degrees centigrade) for a
period of 0.1 seconds.
Label sheets should not exceed the paper
weight specifications described in this User’s
Guide. Labels exceeding this specification
may not feed or print properly and may cause
damage to your machine.
Labels can be fed from the manual feed slot
only.
Types of labels to avoid 2
Do not use labels that are damaged, curled,
wrinkled or an unusual shape.
DO NOT feed part used label sheets. The
exposed carrier sheet will damage your
machine.
CAUTION
Loading documents 2
Using the automatic document feeder (ADF) 2
The ADF can hold up to 35 pages and feeds
each sheet individually. Use standard
80 g/m
before putting them in the ADF.
Recommended environment 2
2
paper and always fan the pages
Temperature: 20 to 30° C
Humidity: 50% - 70%
Paper: APP Blue Flagship 70 g/m
2
Flagship 80 g/m
2
80 g/m
CAUTION
or Advanced Agro Double A
2
, APP Gold
DO NOT leave thick documents on the
scanner glass. If you do this, the ADF may
jam.
DO NOT use paper that is curled, wrinkled,
folded, ripped, stapled, paper-clipped,
pasted or taped.
DO NOT use cardboard, newspaper or
fabric.
To avoid damaging your machine while
using the ADF, DO NOT pull on the
document while it is feeding.
To scan non-standard documents see
Using the scanner glass on page 19.
18
Loading paper and documents
Make sure documents written with ink are
completely dry.
Documents to be faxed must be from 148
to 215.9 mm wide and from 148 to
355.6 mm long, and of a standard weight
(80 g/m
2
).
a Unfold the ADF document output
support flap (1) and the ADF support
flap (2).
2
1
b Fan the pages well.
Using the scanner glass 2
You can use the scanner glass to fax, copy or
scan pages of a book or one page at a time.
Documents can be up to 215.9 mm wide and
297 mm long.
Note
To use the scanner glass, the ADF must
be empty.
a Lift the document cover.
b Using the document guidelines on the
left, centre the document face down on
the scanner glass.
2
c Place your document, face up top edge
first, in the ADF until you feel it touch the
feed roller.
d Adjust the paper guides (1) to fit the
width of your document.
1
c Close the document cover.
If the document is a book or is thick do not
slam the cover or press on it.
CAUTION
19
3
General setup 3
Mode timer 3
The machine has three mode keys on the
control panel: Fax, Scan, and Copy.
You can set how much time the machine
takes after the last Copy or Scan operation to
return to Fax mode. If you choose Off, the
machine will stay in the mode you used last.
(MFC-7840N only) Also, this setting sets the
time the machine will change from individual
user to public user when using Secure
Function Lock. (See Switching Users
on page 29.)
a Press Menu, 1, 1.
b Press a or b to choose 0 Sec,
30 Secs, 1 Min, 2 Mins, 5 Mins or
Off.
Press OK.
Paper size 3
You can use seven sizes of paper for printing
copies: A4, Letter, Executive, A5, A6, B5 and
B6 and two sizes for printing faxes: A4 or
Letter.
When you change the size of paper in the
tray, you will also need to change the setting
for paper size at the same time so your
machine can fit the document or an incoming
fax on the page.
a Press Menu, 1, 3.
b Press a or b to choose A4, Letter,
Executive, A5, A6, B5 and B6.
Press OK.
c Press Stop/Exit.
Note
If you chose Transparency as the paper
type (Menu, 1, 2) you will only be able to
choose Letter or A4 size paper in Step
b.
c Press Stop/Exit.
Paper settings 3
Paper type 3
Set up the machine for the type of paper you
are using. This will give you the best print
quality.
a Press Menu, 1, 2.
b Press a or b to choose Plain,
Plain(Thick), Thick, Thicker,
Transparency or Recycled Paper.
Press OK.
c Press Stop/Exit.
20
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