Oki ML6300FB-SC User manual

Preface > 2
P REFACE
Every effort has been made to ensure that the information in this document is complete,
accurate, and up-to-date. The manufacturer assumes no responsibility for the results of
errors beyond its control. The manufacturer also cannot guarantee that changes in software
and equipment made by other manufacturers and referred to in this guide will not affect
the applicability of the information in it. Mention of software products manufactured by
other companies does not necessarily constitute endorsement by the manufacturer.
While all reasonable efforts have been made to make this document as accurate and helpful
as possible, we make no warranty of any kind, expressed or implied, as to the accuracy or
completeness of the information contained herein.
The most up-to-date drivers and manuals are available from:
www.okiprintingsolutions.com
Copyright © 2009 Oki Europe Ltd. All rights reserved.
Oki is a registered trademark of Oki Electric Industry, Company Ltd.
Oki Printing Solutions is a registered trademark of Oki Data Corporation.
Hewlett-Packard, HP, and LaserJet are registered trademarks of Hewlett-Packard
Company.
Microsoft, MS-DOS and Windows are registered trademarks of Microsoft Corporation.
ENERGY STAR is a trademark of the United States Environmental Protection Agency.
Apple, Macintosh, Mac and Mac OS are registered trademarks of Apple Computer.
Other product names and brand names are registered trademarks or trademarks of their
proprietors.
As an ENERGY STAR Program Participant, the manufacturer has determined
that this product meets the ENERGY STAR guidelines for energy efficiency.
This product complies with the requirements of the Council Directives
2004/108/EC (EMC) and 2006/95/EC (LVD) as amended where applicable, on
the approximation of the laws of the member states relating to
electromagnetic compatibility, low voltage.
The following cables were used to evaluate this product to achieve EMC directive
2004/108/EC compliance and configurations other than this may affect that compliance.
CABLE TYPE LENGTH
(METRE)
CORE SHIELD
Power 2,0 ✘✘
USB 5,0 ✘✔
Serial 2,0 ✘✔
Parallel 3,0 ✘✔
LAN 5,0 ✘✘

Manufacturer > 3
M ANUFACTURER
Oki Data Corporation,
4-11-22 Shibaura, Minato-ku,
Tokyo 108-8551,
Japan
I MPORTER TO THE EU/ AUTHORISED REPRESENTATIVE
Oki Europe Limited (trading as OKI Printing Solutions)
Blays House
Wick Road
Egham
TW20 0HJ
United Kingdom
For all sales, support and general enquiries contact your local distributor.
E NVIRONMENTAL I NFORMATION

Contents > 4
C ONTENTS
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Manufacturer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Importer to the EU/authorised representative. . . . . . . . . . . . . . . . . . . . .3
Environmental Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Notes, cautions and warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
About this guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
On-line usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Printing pages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Retaining packing materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Identifying component parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Rear view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Locating your printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Powering on your printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Producing a test print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Connecting to a computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Interconnecting printer and computer . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Interconnection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Installing the printer driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Printing a test page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Printing from a computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Paper handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Skew correction and set free . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Loading cut sheet paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Ejecting cut sheet paper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Loading continuous forms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Setting up continuous forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Feeding continuous forms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Tearing off continuous forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Aligning the tear-off perforations. . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Removing continuous forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Setting the Paper Thickness lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Operating instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Button switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Setting menu values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Confirming current settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Menu setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Menu items and settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Initialising menu settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Adjusting TOF position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Quick printer settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Printer impact mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Clearing paper jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Cut sheet paper jammed in printer . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Continuous forms jammed in printer . . . . . . . . . . . . . . . . . . . . . . . . . .36
Responding to alarm conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Contents > 5
Responding to general problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Cleaning your printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Printer exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Printer interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Consumables and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Changing a ribbon cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Consumable order information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Accessory order information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Oki Printing Solutions contact details . . . . . . . . . . . . . . . . . . . . . . . . . . .51

Notes, cautions and warnings > 6
N OTES , CAUTIONS AND WARNINGS
For the protection of your product, and in order to ensure that you benefit from its
full functionality, this model has been designed to operate only with genuine original
ribbon cartridges. Any other ribbon cartridges may not operate at all, even if it is
described as “compatible”, and if it does work, your products performance and print
quality may be degraded.
Specifications subject to change without notice. All trademarks acknowledged.
NOTE
A note provides additional information to supplement the main text.
CAUTION!
A caution provides additional information which, if ignored, may
result in equipment malfunction or damage.
WARNING!
A warning provides additional information which, if ignored, may
result in a risk of personal injury.

Introduction > 7
I NTRODUCTION
Congratulations on purchasing this printer!
This printer is designed to provide highly reliable letter quality printing and high resolution
graphics for the desktop/office printing environment. It combines state-of-the-art, 24-pin,
serial impact dot matrix printing technology with advanced materials and superior
construction to provide high performance and versatility in a desktop sized unit. Careful
attention to ergonomics and application needs provides user friendly operation for
operators of varying technical capabilities.
A BOUT THIS GUIDE
This manual is your user’s guide (check the web site, www.okiprintingsolutions.com, for the
most up-to-date version) for your printer and forms part of the overall user support listed
below:
>Installation Safety booklet: provides information as to safe use of the printer.
This is a paper document that is packaged with the printer and should be read before
setting up your printer.
>Set-up guide: to describe how to unpack, connect and turn on your printer.
This is a paper document that is packaged with the printer.
>This User’s Guide: to help you to become familiar with your printer and make the
best use of its many features. Also included are guidelines for troubleshooting and
maintenance to ensure that it performs at its best. Additionally, information is
provided for adding optional accessories as your printing needs evolve.
This is an electronic document stored on the manuals CD.
>Technical Reference Guide: to provide detailed technical information for
programmers and more technical users.
This is an electronic document available on the web site
www.okiprintingsolutions.com.
>Network Configuration Guide: to provide detailed technical information for
network administrators to configure the optional accessory network interface.
This is an electronic document stored on the CD that accompanies the network
interface card optional accessory.
>Installation Guides: accompany consumable items and optional accessories to
describe how to install them.
These are paper documents that are packaged with the consumables and optional
accessories.
>On-line Help: on-line information accessible from the printer driver and utility
software.
NOTE
Images used in this manual may include optional features that your printer
does not have installed.

Introduction > 8
O N - LINE USAGE
This guide is intended to be read on screen using an Adobe Acrobat Reader. Use the
navigation and viewing tools provided in Acrobat.
You can access specific information in two ways:
>In the list of bookmarks down the left hand side of your screen, click on the topic of
interest to jump to the required topic. (If the bookmarks are not available, use the
“Contents” on page 4.)
>In the list of bookmarks, click on Index to jump to the Index. (If the bookmarks are
not available, use the “Contents” on page 4.) Find the term of interest in the
alphabetically arranged index and click on the associated page number to jump to
the page containing the term.
P RINTING PAGES
The whole manual, individual pages, or sections may be printed. The procedure is:
1. From the toolbar, select File, then Print (or press the Ctrl + P keys).
2. Choose which pages you wish to print:
(a) All pages, (1), for the entire manual.
(b) Current page, (2), for the page at which you are looking.
(c) Pages from and to, (3), for the range of pages you specify by entering their
page numbers.
3. Click on OK.
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Getting started > 9
G ETTING STARTED
R ETAINING PACKING MATERIALS
After setting up your printer according to the instructions in the Set-up Guide, retain your
packing materials and container in case you ever need to ship or transport your printer.
I DENTIFYING COMPONENT PARTS
The main parts of your printer are identified and briefly explained below.
F RONT VIEW
1. Print Head: prints the characters on the paper.
2. Top Cover: open and close for access, for example when changing a ribbon
cartridge. Keep closed for noise reduction.
3. Control Panel: contains button switches and indicators (described in detail later) that
allow you to operate the printer.
4. Power Switch: to turn the printer power ON/OFF.
5. Platen Knob: turn to move or eject the paper.
6. Paper Tray: to hold cut sheet paper for use by the printer (one sheet at a time).
7. Paper Guide: can be adjusted as required to locate the left edge of cut sheet paper.
WARNING!
If you have not already done so, familiarise yourself with the
content of the Installation Safety booklet supplied with your
printer.
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Getting started > 10
8. Paper Type Lever: set according to the type of paper used – cut sheet or continuous
forms.
9. Paper Thickness Lever: set according to the thickness of the paper. There is also a
setting to facilitate ribbon replacement.
10. Ribbon Cartridge: holds the printer ribbon.
R EAR VIEW
1. Optional connector position: connect to optional accessory serial interface card or
100BASE-TX/10BASE-T network card.
2. USB connector: connect to USB interface cable.
3. Parallel connector: connect to parallel interface connector.
4. Pin Tractor: to load and feed continuous forms.
5. Power connector: connect to printer power cable.
L OCATING YOUR PRINTER
>Select a firm, solid surface on which to site your printer.
>Allow enough space around your printer (e.g. at least 60 cm from any wall) for easy
access to the Platen Knob and the various paper feed paths.
>Make sure a grounded power outlet is available nearby.
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>=60 cm
75 cm

Getting started > 11
P OWERING ON YOUR PRINTER
1. Ensure that your printer Power Switch is set to OFF.
2. Connect the power cable connector (1) to the power connector (2) on the printer.
3. Connect the power cable to a 220/240 V AC power outlet and switch on the outlet
power.
4. Turn the printer Power Switch to ON.
5. Check that the POWER indicator on the control panel illuminates.
WARNING!
Operations of this equipment are not warranted when the
equipment is connected to UPS (Uninterruptible Power Supply)
and/or inverter. Doing so may result in damage of this equipment.
Do not use an UPS and/or inverter.
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Getting started > 12
P RODUCING A TEST PRINT
To check that your printer is operational, produce a test print on a sheet of 80 gsm A4 paper
(for example) as follows:
1. Turn the printer Power Switch to OFF.
2. Set the Paper Type Lever to cut sheet and set the Paper Thickness Lever to position
1.
3. Press and hold the LF button and turn the Power Switch to ON.
4. With the long side of the paper against the paper guide, insert the paper carefully
into the printer. The printer will automatically grip the paper and start the test print.
5. When the test print has completed, the paper is automatically ejected.
CAUTION!
Allow at least 5 seconds between turning the printer ON after
turning it OFF. A shorter time interval between turning ON/OFF
operations may cause printer power failure.
Do not turn the printer OFF while it is printing as this may result in
damage to the print head.
NOTE
If required, you can pause the test print by pressing the SEL button and then
resume the test print by again pressing the SEL button.
NOTE
If you want to abort the test print for any reason, press the SEL button
followed by the PARK button to eject the paper and then turn the printer Power
Switch to OFF.

Connecting to a computer > 13
C ONNECTING TO A COMPUTER
In this section you will interconnect your printer and computer, install the printer driver in
your computer and print a test page.
I NTERCONNECTING PRINTER AND COMPUTER
I NTERFACES
Your printer is equipped with two data interfaces:
>Parallel: for direct connection to a PC. This port requires a bi-directional (IEEE 1284
compliant) parallel cable.
>USB: for connection to a PC running Windows 2000 or above. This port requires a
shielded cable 5 m long conforming to USB version 2.0.
The following interfaces are available as optional accessories and are described in their
accompanying installation documentation:
>RS232 Serial interface
>100BASE-TX/10BASE-T network connection
I NTERCONNECTION
1. Ensure that both printer and computer are turned OFF.
2. Connect the required interface cable, USB (1) or parallel (2), to the printer and then
to the computer (3).
3. Turn ON the printer and then turn ON the computer.
CAUTION!
Do not use both parallel and USB printing together.
NOTE
Interface cables are not supplied with your printer.
NOTE
>Refer to the Network Configuration Guide for setting up the network
connection.
>It is not recommended that you use either the parallel or USB port when
the RS-232C or OL7120e option is installed in this product.
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Connecting to a computer > 14
I NSTALLING THE PRINTER DRIVER
Insert the Drivers CD into your computer and follow the on-screen instructions to install
the printer driver for use with your printer.
P RINTING A TEST PAGE
As an example, using Windows XP:
1. Use Start > Printers and Faxes to show the Printers and Faxes window.
2. Highlight the driver for your printer.
3. Use File > Properties to show the Properties window.
4. On the General tab, click the Print Test Page button.
5. Ensure that a test page has printed, verifying your printer – computer setup.

Printing from a computer > 15
P RINTING FROM A COMPUTER
When printing to your printer from, for example, a Windows application on your computer,
make your printing selections from the driver windows that appear on screen. These driver
windows have been designed to be easy to use and intuitive while supplementary on-line
help is available by clicking each window Help button.

Paper handling > 16
P APER HANDLING
This section describes how to use cut sheet paper and continuous forms in your printer.
S KEW CORRECTION AND SET FREE
This printer has two new features that can be used for loading cut sheet paper:
>Skew Correction
>Set Free
Skew Correction
Using the new skew correction feature, you can now produce skew free printouts. If you
load a cut sheet paper in an angle, the printer sensors detect the skew, automatically
correct it and start printing on the left edge of the paper (see “Set Free” on page 17). This
ensures text placement on the paper is precise throughout. You do not have to worry about
paper skew or the left edge not being aligned with the paper guide.
NOTE
>You have to enable the skew correction mode in the menu settings.
>The width of the cut sheet paper used in the skew correction mode must
be between 148 to 304.8 mm (5.82 to 12 in). If incorrect paper size is
fed, the printer will not print and eject the media.

Paper handling > 17
Set Free
With the set free feature, you can now place the cut sheet anywhere on the paper tray as
the printer sensors detect the left edge of the paper, reposition the print head and start
printing. You do not have to align the left edge of the cut sheet with the paper guide at all
times.
L OADING CUT SHEET PAPER
1. Ensure that the printer is turned ON.
2. Ensure that the Pin Tractor covers (1) are closed to avoid the possibility of paper
jams.
3. Ensure the Paper Type Lever (1) is set to Cut Sheet.
NOTE
When using cut sheet paper width 90 to 148 mm (3.54 to 5.83 in), the left
edge must be aligned with the paper guide carefully.
NOTE
If there are any continuous forms in the printer, eject them as described in
“Removing continuous forms” on page 22.
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Paper handling > 18
4. Adjust the Paper Thickness Lever (1) to suit the paper. See “Setting the Paper
Thickness lever” on page 22.
5. With the printing side upwards insert the paper (1) on the Paper Tray (2) into the
printer until it is gripped.
If the skew correction mode is enabled, the printer will automatically correct any
skew. See “Skew correction and set free” on page 16.
E JECTING CUT SHEET PAPER
When the printer reaches the end of the cut sheet page it automatically ejects the page. If
required, add another sheet for the printer to continue printing from where it left off.
To eject a cut sheet left in the printer, carry out the following:
1. Press the SEL button to put the printer off-line.
2. Press the PARK button and the paper is ejected to the Paper Tray.
NOTE
If the Paper Thickness Lever setting does not match the paper being used,
paper feeding and printing may not work properly.
NOTE
>When printing an envelope, do not fold up the flap. A flap aligned along
the Paper Guide can lead to skew printing.
>Load envelopes in landscape orientation only.
NOTE
Paper longer than A4 length (297 mm) may overlap and possibly fall off the
Paper Tray.
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Paper handling > 19
L OADING CONTINUOUS FORMS
S ETTING UP CONTINUOUS FORMS
To avoid paper feeding problems, carry out the following:
1. Check your printer is on a surface approximately 75 cm above the floor.
2. Position the continuous forms supply directly below the printer, no more than 3 cm
left or right of the printer paper path.
3. Ensure the rear of the printer is close to and parallel with the edge of the surface
and at least 60 cm from any wall.
F EEDING CONTINUOUS FORMS
1. Ensure that the printer is turned ON.
2. Ensure the Paper Type Lever (1) is set to Continuous Forms.
3. Adjust the Paper Thickness Lever to suit the paper. See “Setting the Paper Thickness
lever” on page 22.
NOTE
If there is a cut sheet in the printer, eject it as described in “Ejecting cut sheet
paper” on page 18.
NOTE
If the Paper Thickness Lever setting does not match the paper being used,
paper feeding and printing may not work properly.
>=60 cm
75 cm
<=3 cm
1

Paper handling > 20
4. Lift the locking lever (1) of the left Pin Tractor and slide the Pin Tractor as required to
adjust the paper position relative to the first horizontal character centre mark (2).
Press the locking lever back down to lock the Pin Tractor in the desired position.
5. Lift the locking lever (1) of the right Pin Tractor and slide the Pin Tractor to the
required position to accommodate the width of the continuous forms to be used.
Move the rear paper guide (2) to midway between the left (3) and right (4) Pin
Tractors.
6. Open the left and right Pin Tractor covers (1) and feed the continuous forms in the
direction of the arrows, locating the sprocket holes (2) in the forms onto the
sprocket pins. Ensure that the forms are properly aligned on the sprocket pins (3),
then close the covers.
7. Adjust the right Pin Tractor (1) to accommodate the width of the continuous forms,
taking care that the forms are held neither too loosely nor too tightly between the
Pin Tractors. Press the locking lever (2) down to lock the right Pin Tractor in the
desired position.
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