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 .
Whi l e a ll r e aso n a bl e e f fo r t s ha v e b ee n m a de t o ma k e t hi s d o cu m e n t a s a ccu r a t e a n d
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 the web site:
http://www.okiprintingsolutions.com
Trademark Information _______________________________
Oki and Microline are registered trademarks of Oki Electric Industry Company Ltd.
Apple, Macintosh and Mac OS are registered trademarks of Apple Computers Inc.
Hewlett-Packard, HP, and LaserJet are registered trademarks of Hewlett-Packard
Company.
Microsoft, MS-DOS and Windows are either registered trademarks or trademarks of
Microsoft Corporation in the United States and/or other countries.
Other product names and brand names are registered trademarks or trademarks of
their proprietors.
Regulatory Information _______________________________
This product complies with the requirements of the Council
Directives 89/336/EEC (EMC), 73/23/EEC (LVD) and 1999/5/EC
(R&TTE), as amended where applicable, on the approximation of
the laws of the member states relating to Electromagnetic
Compatibility, Low Voltage and Radio & Telecommunications
Terminal Equipment.
A note provides additional information to supplement the
main text which may help you to use and understand the
product.
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.
C3400n User’s Guide
5
Introduction
Congratulations on buying this Oki color printer. Your new
printer is designed with advanced features to give you clear,
vibrant color prints and crisp black and white pages at high
speed on a range of office print media.
Your printer includes these features:
> Multi-level technology produces subtle tones and smooth
gradations of color to lend photographic quality to your
documents.
> Prints up to 16ppm (pages per minute) in full color for fast
printing of high impact color presentations and other documents.
> Prints up to 20ppm (pages per minute) in black and white for fast
and efficient printing of all general purpose documents not
requiring color.
> 600 x 600dpi (dots per inch), 1200 x 600dpi and 600 x 600dpi x
2bit print resolution for high quality image production showing
the finest detail.
> Single Pass Color Digital LED technology for high speed
processing of your printed pages.
> 10Base-T and 100Base-TX network connection lets you share this
valuable resource among users on your office network.
> High speed USB 2.0 interface
Additionally, the following optional feature is available:
> Additional memory, to allow printing of more complex pages.
C3400n User’s Guide
6
Printer overview
Front view
printer parts_Fig1_03.jpg
1. Printer cover.
2. Operation Panel.
Status LEDs and operator
buttons.
3. Multi Purpose Feeder Tray
Release.
(when closed, press to open).
4. Multi Purpose Tray (shown open).
Used for manual duplex, feeding
heavier paper stocks, envelopes
and other special media. Also for
manual feeding of single sheets
when required.
C3400n User’s Guide
7
5. Cassette Tray.
Standard blank paper tray.
Holds up to 250 sheets of
20 lb. (80g/m²) paper.
6. Printer Cover Open
Release (push to open).
7. Front Cover Open Release
(press to open)
8. ON/OFF switch.
Rear view
This view shows the connection panel and the rear output
stacker.
Ports rear position_F12_3 v11.jpg
9. Output stacker, face down.
Standard printed copy delivery
point. Holds up to 150 sheets at
20 lb. (80g/m²).
10. Rear Stacker, face up.
Can hold up to 10 sheets of 20 lb.
(80g/m²) standard paper and can
handle paper stocks of up to 54
lb. (203g/m²).
11. AC Power Socket.
12. USB interface and LAN Port
USB cable must be of length 2m
maximum for reliable Status
Monitor operation.
When the rear paper stacker is folded down, paper exits
through the rear of the printer and is stacked face up. The rear
stacker is mainly used for heavy print media. When used in
conjunction with the Multi Purpose Tray, the paper path
through the printer is essentially straight. This avoids bending
the paper around curves in the paper path inside the printer
and enables feeding of up to 54 lb. (203g/m²) media.
C3400n User’s Guide
8
Inside your printer
Inside printer_Fig1_04.eps.jpg
13. Fuser unit.
The Fuser unit contains a heated
roller that fixes toner to the print
media (paper or card).
14. Fuser lever.
The lever has a locked position for
when the toner cartridge is in
place and an unlocked position for
removal and changing.
15. Toner cartridges and toner
cartridge levers.
The 4 toner cartridges hold dry
powdered ink. The lever locks the
toner cartridge into place on the
image drum or releases it for
changing.
16. Image drum units.
The toner from the toner
cartridges adheres to the outer
plate of the image drum. The
image drum then transfers the
toner to the print media as it
passes through the printer.
17. LED Heads.
4 LED (Light Emitting Diode)
Heads direct light onto the 4
image drums.
Press the Cover Open Release (7) to open the printer cover
and look inside the printer.
C3400n User’s Guide
9
The Operation Panel
The Operation Panel allows operator intervention and indicates
both when the printer is operating normally and when it
requires attention. Detailed printer status is provided by the
Status Monitor in Windows or Printer Driver in Mac. (See
“Using the Status Monitor” on page 61.)
op panel_F8_03.jpg
The Operation Panel incorporates 3 LEDs and 2 push-button
switches as follows (from left to right):
1.Power (Ready) LED (green)
2.Paper LED (amber)
3.Alarm LED (amber)
4.ON LINE switch
5.CANCEL switch
The switches enable printer operation while the LEDs display
the status of the printer operation.
C3400n User’s Guide
10
Switches
Operation
There are two switches on the operation panel labelled ON
LINE and CANCEL. Each has four modes of operation as
follows:
MODE OF
OPERATION
Momentary press
(Press 1)
2-second press
(Press 2)
5-second press
(Press 5)
Press at Power OnAt Power On, press the switch
DESCRIPTION
Press the switch and release it within 2 seconds of
pressing it. On releasing the switch, operation starts.
Press the switch and hold for between 2 and 5
seconds after pressing it. On releasing the switch,
operation starts (except in the case of a job
cancellation).
Press the switch and hold it for 5 seconds or more.
The operation starts 5 seconds after pressing the
switch, even if you hold it pressed for more than 5
seconds.
C3400n User’s Guide
11
Function
The results of operating the switches in different contexts are
summarised below:
STATUS
BEFORE
PRESSING
ON LINE
(idling
mode)
OFF LINE
(idling
mode)
ON LINE
(data being
received,
processing
or printing)
Requesting
manual
feed
Paper is set
in Multi
Purpose
Tray (n o
print job)
No paper in
Cassette
Tray o r
Cassette
Tray o p e n
Memory
overflow or
invalid data
Paper jam––––––
ONLINE SWITCHCANCEL SWITCH
PRESS1PRESS 2PRESS 5PRESS1PRESS 2PRESS
Shifts to
OFF LINE
Shifts to
ON LINE
Shifts to
OFF LINE
Loads
paper from
Cassette
Tra y
Shifts to
OFF LINE
Recovers
from the
error and
shifts to ON
LINE
Prints
Menu
Map
(*1)
Prints
Menu
Map
(*2)
Prints
Menu
Map
(*1)
---–Cancels
Prints
Menu
Map
(*1)
Prints
Demo
Print
Prints
Demo
Print
(*2)
–– –Cancels
–––Cancels
Prints
Demo
Print
Prints
Demo
Print
–––
–––
job
(*3)
job
(*3)
Forcefully
ejects
paper
job
(*3)
–––
5
–
–
–
*1:The Menu Map (or Status Page) provides details of printer settings
and status information.
*2:Shifts to ON LINE after printing has started.
*3:Cancels job 2 seconds after start of switch operation (even if the
switch is held down longer).
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12
LED displays
General
Printer status (as indicated by the LEDs) can be broadly
categorised as follows:
1.Normal status (Green): the printer is operating normally e.g. it is
ON LINE or processing.
2.Warning status (Amber): you can continue to use the printer
without intervention but an error may result.
3.Error status (Amber, blinking): you cannot continue to use the
printer. Intervention is required to recover from the error. Fatal
errors are irrecoverable and require a service call.
When several different status situations occur concurrently,
only the status with the highest priority is displayed on the
LEDs. Warning status combined with the highest-priority
normal status is displayed on the LEDs.
Function
A summary of the functions of each LED is given below:
LEDCOLORFUNCTION
Power
(Ready)
PaperGreen
Consumable Green
AlarmGreen
Green
(static)
(static) and
Amber
(blinking)
(static) and
Amber
(blinking)
(static) and
Amber
(blinking)
Indicates POWER ON, ON LINE, OFF LINE,
power saving, data receiving, printing, job
cancelling, warming up, density
adjustment/temperature adjustment in
progress
Indicates paper out warning/alarm,
manual feed request
Indicates consumables life warning/alarm,
consumables installation error
Indicates paper jam, cover open error
C3400n User’s Guide
13
Illumination and meaning
To be able to indicate a large number of status situations both
individually and in combination, the LEDs are illuminated as
follows:
LEDILLUMINATIONSTATUS
OFFPower OFF
ONON LINE (idle)
Blinking 1 (2S cycle)OFF LINE (this blinking pattern
always takes place while an
Power
(Ready)
Green
Paper,
Consumable,
Alarm
(Amber)
Blinking 2 (500mS cycle) Data being received, printing,
Blinking 3 (120mS cycle) Job cancelling in progress
Blinking 4 (4.5S ON and
500mS OFF)
OFFON LINE
ONA warning is indicated
Blinking 1 (2S cycle)An error has occurred but
Blinking 2 (500mS cycle) An error has occurred. You
Blinking 3 (120mS cycle) A serious error has occurred.
error is occurring)
warming up, density
adjustment/temperature
adjustment in progress
Power saving mode
(printing possible)
printing can continue if you
press the ON LINE or CANCEL
switch.
need to replace consumables
or remove jammed paper, for
example. The printer then
recovers from the error and
printing becomes possible
again.
rebooting or a service call is
required.
The Status Monitor in Windows provides a readable description
of the printer status corresponding to the indications of the
LEDs. In Mac, the printer driver provides status information
once you have sent a document to print. In Windows, if you
have the Status Monitor Preferences set to Pop up on alerts,
this readable message will be presented on screen whenever
an abnormal condition occurs. See “Using the printer software”
on page 61 for more information.
C3400n User’s Guide
14
Service call error
When a service call error occurs, all LEDs blink rapidly and
simultaneously at 120ms intervals.
C3400n User’s Guide
15
Paper recommendations
Your printer will handle a variety of print media, including a range of
paper weights and sizes, including envelopes. This section provides
general advice on choice of media, and explains how to use each type.
The best performance will be obtained when using standard 20~ 24
lb. (75~90 g/m²) paper designed for use in copiers and laser printers.
Suitable types are:
• Hammermill® Laser Printer Radiant White, 24 lb. US
Bond (90 g/m²)
• Xerox
• Oki
Use of heavily embossed or very rough textured paper is not
recommended.
Pre-printed stationery can be used, but the ink must not offset
when exposed to the high fuser temperatures used in the
printing process.
Envelopes should be free from twist, curl or other
deformations. They should also be of the rectangular flap type,
with glue that remains intact when subjected to hot roll
pressure fusing used in this type of printer. Window envelopes
are not suitable.
Labels should also be of the type recommended for use in
copiers and laser printers, in which the base carrier page is
entirely covered by labels. Other types of label stock may
damage the printer due to the labels peeling off during the
printing process. Suitable types are:
• Avery 5161 White Laser Label (Letter size)
• Avery 7162, 7664, 7666 White Laser Labels (size A4).
®
4024, 20 lb. US Bond (75 g/m²)
®
52206101 Bright White Proofing Paper, 32 lb. US
Bond (120 g/m
2
)
C3400n User’s Guide
16
Cassette Tray
The Cassette Tray can handle paper in weights of 17 to 47 lb.
(64 g/m² to 176 g/m²). The Cassette Tray is ideal for printing
Letter size documents of more than 1 page in length.
TRAYWEIGHT SIZEDIMENSIONS
Cassette
Tray
Light:
17-20 lb.
64-74 g/m²
Medium:
20-24 lb.
75-90 g/m²
Heavy:
24-47 lb.
91-176 g/m²
A64.13 x 5.83 in.
105 x 148 mm
A55.83 x 8.27 in
148 x 210 mm
B57.17 x 10.12 in
182 x 257 mm
Executive7.25 x 10.5 in
184.2 x 266.7 mm
A48.27 x 11.69 in
210 x 297 mm
Letter8.5 x 11 in.
215.9 x 279.4 mm
Legal 13in.8.5 x 13 in.
216 x 330 mm
Legal 13.5in.8.5 x 13.5 in
216 x 343 mm
Legal 14in.8.5 x 14 in.
216 x 356 mm
C3400n User’s Guide
17
Multi Purpose Tray
The Multi Purpose Tray can handle the same sizes as the
Cassette Tray but in weights up to 54 lb. (203 g/m²). For very
heavy paper stock, always use the face up (rear) paper
stacker. This ensures that the paper path through the printer
is almost straight.
The Multi Purpose Tray can feed paper widths as small as 3.94
in (100 mm) and lengths up to 47.24 (1200mm) [banner
printing].
For paper lengths exceeding Legal 14in. (356mm) use paper
stock between 24 and 34 lb. (90 g/m² and 128 g/m²) and the
face up (rear) paper stacker.
When using the Multi Purpose Tray, each sheet of paper can
only be fed one at a time.
Watermarked or Headed paper should be loaded print side up
and top edge into the printer.
C3400n User’s Guide
18
TRAYWEIGHT SIZEDIMENSIONS
A64.13 x 5.83 in.
105 x 148mm
A55.83 x 8.27 in
148 x 210mm
B57.17 x 10.12 in
182 x 257mm
184.2 x 266.7mm
210 x 297mm
215.9 x 279.4mm
216 x 330mm
216 x 343mm
216 x 356mm
216 x 1199.9 mm
216 x 279
3.87 x 8.87 in.
98.4 x 225.4 mm
4.12 x 9.5 in.
104.7 x 241.3mm
3.87 x 7.5 in.
98.4 x 190.5mm
162 x 229mm
Multi
Purpose
Tray
Light:
17-20 lb.
64-74 g/m²
Medium:
20-24 lb.
75-90 g/m²
Heavy:
24-32 lb.
91-120 g/m²
Ultra heavy:
32-47 lb.
121-176 g/m²
Executive7.25 x 10.5 in
A48.27 x 11.69 in
Letter8.5 x 11 in.
Legal 13in.8.5 x 13 in.
Legal 13.5in.8.5 x 13.5 in.
Legal 14in.8.5 x 14 in.
Custom sizes8.5 x 47.24 in.
Letterhead8.5 x 10.98 in.
COM-9
Envelope
COM-10
Envelope
Monarch
Envelope
C56.38 x 9.02 in.
C3400n User’s Guide
19
Face Down Stacker
The Face Down Stacker on the top of the printer can hold up
to 150 sheets of 20 lb. (80g/m²) standard paper, and can
handle paper stocks up to 32 lb (120g/m²). Pages printed in
reading order (page 1 first) will be sorted in reading order (last
page on top, facing down).
Face Up Stacker
The Face Up Stacker at the rear of the printer should be
opened and the paper support extended when required for
use. In this condition paper will exit via this path, regardless of
driver settings.
The Face Up Stacker can hold up to 10 sheets of 20 lb. (80 g/
m²) standard paper and can handle stocks up to 54 lb (203 g/
m²).
Always use the Face Up Stacker and the Multi Purpose Tray for
paper stocks heavier than 47 lb. (176g/m²).
C3400n User’s Guide
20
Loading Paper
Cassette Tray
1.Remove the Cassette Tray from the printer.
cassette tray empty_Fig1_16.jpg
2.Fan the paper to be loaded at the edges (1) and in the middle (2)
to ensure that all sheets are properly separated, then tap the
edges of the stack on a flat surface to make it flush again.(3).
Fan Paper.jpg
3.Adjust the Rear Stopper (1) and Paper Guides (2) to the size of
paper being used. Use the markings on the printer as a guide.
C3400n User’s Guide
21
Cassette Tray paper guides_F7_01.jpg
4.Load the paper (1). Use the level indicators (2) as a guide. For
letter headed paper, load face down with top edge towards the
front of the printer.
paper load_Fig1_17 v11.jpg
To prevent paper jams:
• Do not leave space between the paper and the guides and
rear stopper.
• Do not overfill the Cassette Tray. Capacity depends on the
type of paper stock.
• Do not load damaged paper.
• Do not load paper of different sizes or types at the same time.
• Do not pull the Cassette Tray out during printing.
5.Close the Cassette Tray gently.
C3400n User’s Guide
22
Cassette Tray wPaper_close_Fig1_22.jpg
6.For face down printing, make sure the Face Up (rear) Stacker is
closed (the paper exits from the top of the printer). Stacking
capacity is approximately 150 sheets, depending on paper
weight.
7.For face up printing, make sure the Face Up (rear) Stacker is
open and the paper support (1) is extended. Paper is stacked in
reverse order and tray capacity is approximately 10 Letter/A4
sheets, depending on paper weight, or 1 envelope or 1 sheet of
heavier media.
8.Always use the Face Up (rear) Stacker for heavy paper (card
stock etc.).
rear stacker open_F7_10.jpg
CAUTION!
Do not open or close the rear paper exit while printing as it
may result in a paper jam.
C3400n User’s Guide
23
Multi Purpose Tray
1.Open the Multi Purpose Tray and press gently down on the Paper
Platform (2) to ensure it is latched down.
mpt tray_F7_05.jpg
2.Adjust the Paper Guides (1) to the size of paper you are going to
print on, using the markings on the Paper Platform.
3.Position a sheet of paper on the Paper Platform so that it is
gripped in place.
• Load your chosen media one sheet at a time.
• When printing on headed paper load the paper into the Multi
Purpose Tray with pre-printed side up and top edge into the
printer.
• An envelo pe should be loa ded face up with top edge to the l eft
and short edge facing into the printer.
Set the correct paper size for the Multi Purpose Tray in the
Media Menu. (See “Printer functions (User Settings)” on
page 62.)
C3400n User’s Guide
24
Printing from Windows
Your printer’s menus provide access to many options. See
“Using the printer software” on page 61 for more information.
The Windows printer driver also contains settings for many of
these items. Where items in the printer driver are the same as
those in the menus, and you print documents from Windows,
the settings in the Windows printer driver will override those
items in the menus.
The illustrations in this chapter show the printer in
Windows XP/2000. Other Windows versions may appear
slightly different, but the principles are the same.
Printer driver settings
A printer driver is a software program that controls a printer.
The printer driver feeds data about printing requirements for a
document to the printer.
You can make printer driver settings either from Windows
Printers window (called “Printers and Faxes” in Windows XP)
or from within a Windows application. The driver settings you
make from the Windows “Printing Preferences” dialog box are
essentially default settings and will be remembered from one
Windows session to the next. The driver settings you make
from within a Windows application, e.g. in the File -> Print
dialog box in Microsoft Word, are those required for a
particular job and will not be remembered the next time you
open this application. In both cases, you can save and name
(on the Setup tab) specific sets of driver settings which can be
recalled for future use.
C3400n User’s Guide
25
Printing preferences in Windows applications
When you choose to print your document from a Windows
application program a Print dialog box appears. This dialog
usually specifies the name of the printer on which you will print
your document. Next to the printer name is a Properties
button.
When you click Properties a new window opens which
contains a short list of the printer settings available in the
driver, which you can choose for this document. The settings
available from within your application are only those which you
may want to change for specific applications or documents.
Settings you change here will usually only last for as long as
the particular application program is running.
C3400n User’s Guide
26
Setup tab
When you click the Properties button from your application’s
Print dialog, the driver window opens to allow you to specify
your printing preferences for the current document.
1.Size
Paper size should be the same as the page size of your
document (unless you wish to scale the printout to fit
another size), and should also be the same as the size of
paper you will feed into the printer.
2.Source
You can choose the source of the paper to feed, which
may be Tray 1 (the Cassette Tray) or the Multi Purpose
Tray. You can either select the tray from the dropdown list
or you can click on the appropriate part of the printer
graphic to select your preferred tray.
3.Weigh t
The setting for paper weight should match the type of
paper on which you intend to print.
4.Paper Feed Options
Click on the Paper Feed Options button to modify your
document to fit to paper of a different size and to access
advanced Cassette Tray and Multi Purpose tray settings.
5.Finishing Mode
A variety of document finishing options can be selected,
such as normal one page per sheet, or N-up (where N can
be a maximum of 16) for printing scaled down pages at
more than one page per sheet.
Select the Poster printing option to print large pages as tiles
spread over multiple sheets.
6.2-Sided Printing
You can choose to print on one side of a sheet only or to
use 2-sided printing (duplex printing). Your printer allows
you to carry out manual duplex printing, meaning you
must pass the paper through the printer twice. For more
information, see “2-sided printing (Windows only)” on
C3400n User’s Guide
27
page 46. The Duplex Help button also offers guidelines
on how to carry out manual duplex printing.
7.Driver Settings
If you have changed some printing preferences before
and saved them as a set under a specific name, you can
recall them under driver settings. Saving driver settings
means that you can avoid having to set printing
preferences individually each time you need them.
8.Default
Click the Default button to restore the default printer
settings.
C3400n User’s Guide
28
Job Options tab
1.Print Resolution
The output resolution of the printed page can be set as
follows.
• The High Quality setting prints at 600 x 600dpi multi-level.
This setting requires the most printer memory and takes the
longest to print. It is the best option for printing photographs
and reproducing color details.
• The Fine/Detail setting prints at 1200 x 600dpi is the best
option for printing vector objects such as graphics and text.
• The Normal setting prints at 600 x 600dpi and is suitable for
most printing jobs.
2.Photo Enhance
Select this option to improve the quality of photographic
images.
3.Toner Saving
Select to help save your toner.
4.Skip Blank Pages
Select this option to avoid printing out any blank pages
that are in your document.
5.Copies
You can select up to 999 copies to print consecutively,
although you will need to top up the Cassette Tray during
such a long print run.
6.Orientation
Page orientation can be set to either portrait (tall) or
landscape (wide).
7.Scale
Your printed pages can be scaled to fit larger or smaller
stationery.
8.Watermark
You can print watermark text behind the main page
image. This is useful for marking documents as draft,
confidential, etc.
C3400n User’s Guide
29
9.Advanced
Clicking the Advanced button gives you access to further
settings. For example, you can elect to have black areas
printed using 100%K toner (a more matte appearance).
10.Default
Click the Default button to restore the default printer
settings.
C3400n User’s Guide
30
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