Page 1
User’s Guide
Page 2
Notice
T rademarks
Every effort has been made to ensure that the information in this
document is complete, accurate, and up-to-date. Oki assumes no
responsibility for the results of errors beyond its control. Oki 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 Oki.
First edition February, 1999
Copyright
© Copyright 1999 by Oki. All rights reserved.
Written and produced by the Oki Documentation Dept.
Oki is a registered trademark of
Oki Electric Industry Company, Ltd.
ENERGY STA R is a trademark of the
United States Environmental Protection Agency
Microsoft, MS-DOS and Windows are registered trademarks of
Microsoft Corporation.
HP and HP LaserJet are registered trademarks of
Hewlett Packard.
TrueType is a registered trademark of
Apple Computer.
IBM is a registered trademark of
International Business Machines Corp.
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Contents
Safety Instructions ..................................................................4
Important Wiring Instructions ................................................6
Choosing Print Media............................................................. 7
Paper ................................................................................... 7
Transparencies/Adhesive Labels ....................................... 7
Envelopes ........................................................................... 7
Paper Sizes ..............................................................................8
Paper Weight ...........................................................................8
Loading Paper ......................................................................... 8
Manual feed ........................................................................ 9
Paper Exit ........................................................................... 9
Toner Cart ridge .....................................................................10
Toner Cartridge Life......................................................... 10
When to Replace the Toner Cartridge ............................. 1 0
Replacing the Toner Cartridge ........................................ 10
Cleaning the LED Array................................................... 11
Image drum Cartridge ...........................................................12
Image Drum Cartridge Life .............................................. 12
When to Replace the Image Drum Cartridge...................12
Replacing the Image Drum Cartridge ..............................12
Resetting the Drum Counter ............................................1 3
Viewing and using the men us ...............................................14
Printer Maintenance..............................................................1 5
Transporting Your Printer.................................................15
Generating a Cleaning Page ............................................ 1 5
Cleaning the Printer ......................................................... 1 5
Basic Troubleshooting .......................................................... 16
Paper Jams ........................................................................16
Print Quality Problems .....................................................17
Software Problems ............................................................18
Hardware Problems........................................................... 19
Specifications........................................................................21
Index......................................................................................23
English
User’s Guide 3
Page 4
Safety Instructions
Your Oki printer has been carefully designed to give you years
of safe, reliable performance. As with all electrical equipment,
however, there are a few basic precautions you should take to
avoid hurting yourself or damaging the printer:
• Read the set up instructions in this handbook carefully. Be
sure to save it for future reference.
• Read and follow all warning and instruction labels on the
printer itself.
• Unplug the printer before you clean it. Use only a damp
cloth; do not use liquid or aerosol cleaners.
• Place your printer on a firm, solid surface. If you put it on
something unsteady, it may fall and be damaged; if you
place it on a soft surface, such as a rug, sofa, or bed, the
vents may become blocked, causing the printer to overheat.
• To protect your printer from overheating, make sure all
openings on the printer are not blocked. Do not put the
printer on or near a heat source, such as a radiator or heat
register. Keep it out of direct sunlight. Allow enough room
around the printer for adequate ventilation and easy access
to the paper trays.
• Do not use your printer near water, or spill liquid of any
kind into it.
• Be certain that your power source matches the rating
listed on the back of the printer. If you are not sure, check
with your dealer or with your local power company.
• Your printer has an earthed, 3-pin plug as a safety
feature, and it will only fit into an earthed outlet. If you
can not plug it in, chances are you have an older, nonearthed outlet; contact an electrician to have the outlet
replaced. Do not use an adapter to defeat the earthing.
• To avoid damaging the power cable, do not put anything
on it or place it where it will be walked on. If the cable
becomes damaged or frayed, replace it immediately.
• If you are using an extension cable or power strip with the
printer, make sure that the total of the amperes required by
all the equipment on the extension is less than the
extension’s rating. The total ratings of all equipment
plugged into the outlet should not exceed 13 amperes.
• The power outlet into which you plug your printer must
remain accessible at all times.
• Lifting the top cover exposes hot surfaces. These are clearly
labelled. Do NOT touch them.
• Do not poke anything into the ventilation slots on the
printer; you could get a shock or cause a fire.
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Conventions
• Aside from the routine maintenance described in this
handbook, do not try to service the printer yourself;
opening the cover may expose you to shocks or other
hazards. Always contact your local dealer.
• Do not make any adjustments other than those outlined in
the handbook. You may cause damage requiring extensive
repair work.
• It is recommended that the printer be switched off prior to
opening or removing covers.
If anything happens that indicates that your printer is not
working properly or has been damaged, unplug it immediately
and contact your dealer.
These are some of the things to look for:
• The power cable or plug is frayed or damaged.
• Liquid has been spilled into the printer, or it has been
exposed to water.
• The printer has been dropped, or the cabinet is damaged.
• The printer does not function normally when you are
following the operating instructions.
This symbol marks a ‘note’. Notes are hints or tips which
offer additional information to help you.
This symbol marks a ‘caution’. Cautions are special
notices which you should read and follow carefully to
avoid possible damage to your equipment.
This symbol marks a ‘warning’. Warnings are special
notices which you should read and follow carefully to
avoid potential danger to yourself or others.
EMC/Low Voltage Directive
This product complies with the requirements of the
Council Directives 89/336/EEC and 73/23/EEC on the
approximation of the laws of the member states relating
to electromagnetic compatibility and low voltage.
Energy Star
As an ENERGY STAR Partner , Oki has determined that this product
meets the ENERGY STA R guidelines for energy ef ficiency .
English
User’s Guide 5
Page 6
Important Wiring Instructions
The wires in the power cable are coloured in accordance
with the following code:
Green and Yellow — Earth
Blue — Neutral
Brown — Live
If the colours of the wires in the power cable of this printer do
not correspond with the markings of the terminals of your plug,
proceed as follows:
Green and Yellow
Must be connected to the terminal marked with the letter
E (or the safety earth symbol) or the terminal coloured
green or green and yellow.
Blue
Must be connected to the terminal marked with the letter
N or coloured blue or black.
Brown
Must be connected to the terminal marked with the letter
L or coloured red.
This printer must be earthed!
If you are in any doubt regarding the wiring, please contact
a qualified electrician.
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Choosing Print Media
Paper
• For best results, use paper that is smooth and of high quality,
such as copier paper, laser printing paper, or paper with a
Sheffield rating of 100-250. (Sheffield rating describes the
surface texture of the paper.)
• Store paper in its ream wrapper until you are ready to use it.
Keep it away from moisture or other conditions that can
cause it to wrinkle or curl.
• Printing on coated (glossy), heavily textured or embossed
paper is not recommended.
• Preprinted forms must not scorch, melt, offset, or release
hazardous emissions when heated to 200ºC (392ºF) for 0.1
second.
• Avoid printing on both sides of the paper or preprinted
documents that have been in a photocopier.
• Try paper before you buy it in quantity.
Repeated use of unsuitable paper stock may reduce the
life of your consumables, such as drum cartridge and
fuser unit. The performance of your printer depends on
the correct selection of print media.
T ransparencies/Adhesive Labels
• Use manual feed.
• Should be specifically made for laser printers or
photocopiers.
• Must be able to withstand 200ºC for 0.1 second.
• Labels should cover entire carrier sheet.
• Carrier sheet or adhesive must not be exposed to any part
of the printer.
Envelopes
• Use manual feed.
• No windows or metal clasps.
• Paper no heavier than 105g/m².
• Smooth, even surface.
• No self-sealing flaps.
• Seams down the side, not across the middle.
• Squared-off flaps that do not cover the print area.
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User’s Guide 7
Page 8
Paper Sizes
Loading Paper
Paper format Width × Length
Letter 8½" × 11"
Legal 13 8½" × 13"
Legal 14 8½" × 14"
Executive 7¼" × 10½"
A4 210mm × 297mm
A5 148mm × 210mm
B5 176mm × 250mm
A6 105mm × 148mm
Free size (min) 76.2m m × 216.0mm
(max) 127.0mm × 355.6mm
Paper Weight
Minimum – Maximum
Automatic feed 60 – 105 g/m²
Manual feed 6 0 – 120 g/m²
Envelopes 7 5 – 90 g/m²
Media Type (default) Minimum – Maximum
Light (60) 60 – 66 g/m²
Medium light (68) 6 7 – 73 g/m²
Medium (75) 74 – 88 g/m²
Medium Heavy (90) 89 – 104 g/m²
Heavy (105) 105 – 120 g/m²
The paper feeder handles up to 100 sheets of 75g/m² (20lb.)
paper.
1 Set the left paper guide to the marker for the required paper
size and move the right guide to a position slightly wider
than your paper width.
2 Insert the paper so that it is up against the left paper guide
and check that it is not skewed.
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Manual feed
3 Adjust the right paper guide to fit against the edge of the
paper. Do not move the left guide again as this may cause
the paper to skew as it is fed in.
4 Lift the paper out of the tray again slightly (about 1 cm)
and re-insert it gently, allowing it to drop under its own
weight – do not force it down.
Insert letterhead paper face-down, top of page first.
Use manual feed for printing envelopes, transparencies,
heavyweight and odd size paper.
Insert envelopes with flap side down and to the left.
1 Adjust guides.
2 Insert paper squarely into the guides.
Insert letterhead paper face-up, top of page first.
Paper Exit
• Up to 30 sheets of 75g/m² (20lb) paper can be stacked.
• Printed pages exit face up.
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User’s Guide 9
Page 10
Toner Cartridge
Replacing the Toner Cartridge
Toner Cartridge Life
T oner cartridge life depends on the page density , the percentage
of each page that is printed black. The higher the print density,
the more toner is used. On average, a toner cartridge will produce
approximately 1500 sheets at 5% print density.
The first cartridge you place in your printer will produce
between 500 and 700 sheets. This is normal, as the new image
drum reservoir and developing roller must saturate with toner.
When to Replace the Toner Cartridge
Replace the toner cartridge when you see the TONER LOW
message displayed on your screen. You can continue printing
using the toner in the printer reservoir. However, you should
replace the toner cartridge as soon as possible to maintain
print quality and avoid possible damage to the imaging
system.
Do not remove the new cartridge from its packaging.
1 Open the cover and remove the used toner cartridge.
Opening the cover exposes hot surfaces which are clearly
labelled. Do NOT touch them.
2 Shake the new toner cartridge gently to distribute toner
evenly.
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3 Unwrap the new cartridge.
4 Remove the tape.
6 Push the lock lever forward.
English
5 Insert the toner cartridge.
7 Close the printer cover.
Cleaning the LED Array
Clean the LED array…
• Whenever you install a new toner cartridge.
• If you see faded vertical areas or light printing down a
page.
• If printing is fuzzy or blurred.
Wipe the LED array gently using a clean, lint–free cloth.
User’s Guide 11
Page 12
Image drum Cartridge
Image Drum Cartridge Life
The life of an image drum depends on a number of factors,
including temperature, humidity, the type of paper you use,
and the number of pages per job.
The image drum cartridge should last about 10,000 pages for
continuous printing, up to 8,000 pages at 3 pages per job
(without power save).
When to Replace the Image Drum Cartridge
As the image drum approaches its end of life, CHANGE DRUM
displays on your screen. At this point, be sure you have a new
drum on hand. Replace the old one as soon as print quality
becomes faint or starts to deteriorate.
Replacing the Image Drum Cartridge
The image drum is a delicate unit and care should be taken not
to damage it. It is therefore necessary to follow the guidelines
listed below so the best print quality can be obtained from your
printer.
• Do NOT touch the green drum surface.
• Do NOT set the cartridge down on anything that might
scratch the surface of the drum.
• Do NOT expose the drum to direct sunlight and do not
expose it to room light for more than 5 minutes. Leave it in
the package until you are ready to install it into the printer.
1 Open the cover and remove the used image drum cartridge.
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2 Unwrap the new image drum cartridge and remove the
protective sheet.
4 Remove the protective plastic cover from the toner well in
the image drum unit.
5 Insert the toner cartridge.
Resetting the Drum Counter
1 Enter the printer status monitor.
2 Click on the Printer Setup tab.
3 Click on the Printer Menu button.
English
3 Insert the new image drum cartridge.
User’s Guide 13
4 Click on the Maintenance tab.
5 Click the Reset button next to “Drum Counter Reset”.
Page 14
Viewing and using the menus
The menus can be viewed by opening the printer status monitor .
This indicates printer status and also allows access to the printer
menus.
The status monitor has a comprehensive on–line help system
which provides explanations and advice on all features and
settings that are available.
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Printer Maintenance
Transporting Your Printer
If you need to transport your printer to another location,
including return for service, be sure to take the following
precautions:
1 Seal the toner cartridge and the image drum cartridge in
the black, light–proof bag provided.
2 Try to ensure that the printer remains the right way up
during transportation to avoid spillage of any residual toner.
Generating a Cleaning Page
• Removes residual impurities from printing surfaces.
• Reduces problems such as repeating marks, blotching and
shading.
1 Enter the printer status monitor. 2 Click on the Printer Setup tab. 3 Click on the Printer Menu button. 4 Click on the Maintenance tab. 5 Click the Cleaning button next to “Cleaning printer”.
Cleaning the Printer
To obtain the best performance from your printer, it must be
cleaned regularly.
Disconnect your printer from mains power.
1 Open the cover and remove the image drum cartidge.
2 Use a soft, dry cloth to remove any excess toner.
3 The printer exterior can be cleaned using a soft cloth
moistened with water.
4 Wipe the printer cover with a clean, dry cloth.
Do NOT use chemical cleaners or sprays on your printer.
Aside from routine service or repair, no further printer
maintenance is necessary.
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Page 16
Basic Troubleshooting
Paper Jams
1 Open the cover.
The fuser unit at the back of the printer is hot.
2 Lift out the image drum.
3 Remove the jammed paper.
4 Replace the image drum.
5 Close the cover.
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Print Quality Problems
Problem
Printed page is blank.
Entire page prints faintly.
Printed page is fuzzy or blurred.
Page prints all black.
Page has a grey background.
V ertical black lines on printed page.
Solution
The toner cartridge is missing or empty. Install a new toner cartridge.
The toner cartridge is installed incorrectly. Re–install the toner cartr idge. Make sure the tape is
removed from the bottom of the toner cartridge, the cartridge is seated correctly and the toner lock
lever is pushed all the way forward.
Toner cartridge is empty. Replace the toner cartridge.
Ensure that the image drum is located correctly and that the top cover is firmly closed.
Use the printer control panel software to adjust the DARKNESS setting.
LED array is dirty – clean the LED array.
LED array is dislodged. Check alignment; contact service.
Hardware problem. Contact service.
Static electricity, generally from dry environments, causes toner to stick to background. Change
paper to a smoother laser bond or use a humidifier.
LED array is defective. Contact service.
To verify print quality problems, try printing several pages to check that the problem is persistent.
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Print Quality Problems contd.
Problem
V ertical white line or streaking on printed page.
Page has repetitive marks.
Smeared or blotched print.
Solution
T oner is lo w and does not distribute properly . Carefully remov e image drum and shake side to side
a few times to redistribute toner.
Damaged image drum causes repetitive marks due to surface nicks or scratches. Use the printer
control panel software to generate a cleaning page; marks may be tempor ary.
Install a new image drum cartridge.
Dirty rollers; toner dropped inside printer. Use the printer control panel software to generate a
cleaning page.
Image drum problem; contact service.
Software Problems
It is essential to ensure that you have installed the correct Oki printer drivers. If printing from a DOS text box, your application
should be set up for printing with an HP LaserJet™ II or compatible driver.
Problem
Printing is garbled.
Printer's output is below rated speed.
Solution
Incorrect driver is installed or selected. Install or select Oki driv ers provided with printer.
Much of the printing delay will be caused by your application. Complex graphic images may take
longer to prepare for printing than simple text documents.
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Hardware Problems
Problem
When you try to print nothing happens.
Printing is garbled.
Printer freezes, or an error message displays
when computer is restarted.
Odours are given off by forms or adhesives
passing through the hot fusing unit.
Printer is on but must “WARM UP” before a job
is printed.
Solution
Configuration error. Check cable connection.
If more than one printer is available, make sure your printer has been selected.
Check printer status. If the pr inter light flashes slowly, the print job is progressing. If the light
flashes rapidly, use the control panel software to examine printer status.
Incorrect cable configuration. Check cable configuration, type, continuity and length. Maximum
recommended length is 1·8m.
See software problems.
Starting the computer while the printer is on can cause a communications error. Turn the printer off
before restarting the computer.
Odours are not emitted by the printer . Make sure the forms you use can withstand heating; pro vide
adequate ventilation. Pre–printed forms, transparencies and adhesive labels must be able to
withstand 200°C (392°F) for 0·1 second.
Power Save mode is set to ON to conserve energy. The fuser must heat up before printing the
next job . To eliminate warm–up delay , use the printer control panel to change P ower Save setting.
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Page 20
Hardware Problems contd.
Problem
Printed paper curls excessively.
Printer seems too hot.
Printed paper emerges wrinkled.
Solution
Heat from the toner fusing process removes moisture from the paper and may cause curling.
If the curling is severe...
a Turn the paper over in the paper feeder. Put paper in feeder with print facing the back of the
printer, look on the package f or an arro w or other indicator of the print side.
b A major cause of curl is improper storage. Store paper in a dry place, lying flat. Do not open the
paper package until you are ready to use the paper .
c Try to protect your paper from excessive temperatures and rapid temperature changes.
The toner fusing process in your printer generates a significant amount of heat, and the top
cover may feel quite warm. This is perfectly normal. If the top cover becomes too hot to touch,
switch the printer off and call your dealer for advice.
Use the printer control panel to change the paper thickness setting to light.
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Specifications
Category
Printing Process
Physical
Print Speed
Print Start
Resolution
CPU
RAM
ROM
Electrical
Power Consumption
Item
—
Height × Width × Depth
Weight
Engine speed (A4)
First print time
Warm–up time
Maximum output
Core
Clock
Resident
ROM
V oltage
Frequency
AC Cable
Power Save Mode
Idle
Typical Operation
Peak
Specification
LED array imaging to organic photo–conductive drum.
264 × 324 × 346 mm (170 × 324 × 207 mm without paper tray)
4·2kg
6ppm
13 sec
40 sec
300 × 300 dpi, 600 × 600 dpi simulated with OKI Hiper-W driver
MIPS R3000, OKI nX8
28MHz
512KB
62KB
230VAC ±10%
50/60Hz ± 2%
Standard 1.8m cable fitted with appropriate power plug.
4W
32W
160W
450W
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Category
Paper handling
Paper size
Media support
Temperature (°C)
Humidity (%)
Life & Duty cycle
Service & Reliability
Consumable life
Acoustic noise
Approvals
Item
Input Tray
Manual Feed
Output Tray
Input Tray
Manual Feed
Media Support
Operating
Non–operating
Storage
Transit
Operating
Non–operating
Storage
Transit
Printer Life
MTBF
MTTR
Toner
Image Drum
Operating
Standby
—
Specification
Approx. 100 sheets standard paper (70g/m²)
Single sheet; paper, transparencies, adhesive labels and envelopes.
30 sheets face up – standard paper.
Letter, 13" or 14" Legal, A4, A5, A6, B5, Executive, Free
Minimum: 76·2×147.3mm (3·0"×5.8") maximum: 14" Legal
Letter, 13" or 14" Legal, A4, A5, A6, B5, C5, DL, COM–10, Monarch, Free
Minimum: 76·2×127.0mm (3·0"×5.0") maximum: 14" Legal
Paper 60 – 105 g/m², heavyweight paper (up to) 120 g/m² (manual feed only)
Transparencies, adhesive labels, and envelopes are supported via the manual feed slot.
10 – 32
0–43
-20 – 50 for up to 1 month in fully packed state minus toner and image drum
-29 – 50 for up to 1 month in fully packed state minus toner and image drum
20 – 80 25.0°C
10 – 90 26.8°C
10 – 90 35.0°C
10 – 90 40.0°C
30 000 pages, 5 years @ max: 2 500 pages/month, av: 500 pages/month.
5 700 Print hours @ 2.3% duty
20 minutes
1 500 pages (5% print density)
10 000 pages – continuous print
8 000 pages – 3 pages/job (without power save)
50dBA (without peak sounds)
Background level
EN 60950, EN 50081-1 (1992), EN 50082-1 (1992)
Wet bulb temperature.
}
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Index
C
Cleaning the LED array ............................ 11
D
Drum cartridge. See Image drum cartridge Drum counter
resetting ............................................... 13
E
Energy Star ................................................. 5
I
Image drum cartridge
lif e........................................................ 12
replacing .............................................. 12
when to replace.................................... 12
M
Manual feed ................................................ 9
Media T ype
setting .................................................... 8
Menus
using .................................................... 14
P
Paper
exit ......................................................... 9
jams ..................................................... 16
letterhead ............................................... 9
loading................................................... 8
rating ..................................................... 7
size......................................................... 8
weight.................................................... 8
Print media
choosing ................................................ 7
envelopes............................................... 7
paper ...................................................... 7
transparencies ........................................ 7
Printer maintenance
cleaning ............................................... 15
cleaning page ....................................... 15
cleaning the LED array........................ 11
transporting ......................................... 15
Problems
hardware.............................................. 19
print quality ......................................... 17
software............................................... 18
S
Safety.......................................................... 4
Specifications............................................ 21
T
T oner cartridge
lif e........................................................ 10
replacing .............................................. 10
when to replace.................................... 10
Trouble shooting
hardware problems.............................. 19
paper jams ........................................... 16
print quality problems ......................... 17
software problems............................... 18
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Page 24
Oki Systems (UK) Ltd.
550 Dundee Road
Slough
SL1 4LE
Tel: 44 (0) 1753 819819
Fax: 44 (0) 1753 819899
http://www.oki.co.uk
Oki Systems (Ireland) Ltd.
The Square Industrial Complex
Tallaght
Dublin 24
Tel: 01 459 8666
Fax: 01 459 8840
http://www.oki.ie
Hawthorn Business Centre
Adelaide Industrial Estate
Belfast, BT12 6HP
Tel: 01232 572355
Fax: 01232 572350
http://www.oki.ie
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