OKI B4600 User Manual

							B4400, B4400L/B4600, B4600L User’s Guide – Consumables and maintenance > 81
CONSUMABLES AND MAINTENANCE
This section deals with the replacement of the toner cartridge and 
image drum and general maintenance.
CONSUMABLE ORDER DETAILS
*typical for continuous printing
Please always use genuine consumables. 
TONER CARTRIDGE LIFE
How long your toner cartridge lasts depends on the print density; 
the percentage of the page that prints black. A typical letter has 
3% to 5% print density; graphics usually have higher density. 
Higher print density means toner is used up faster. At 5% print 
density, a standard toner cartridge will print an average of 3,000 
pages. Remember, this is only an average: actual results may 
vary.
The first toner cartridge installed in a new printer has to fill the 
image drum reservoir and saturate the developing roller with 
toner. The first standard toner cartridge normally produces about 
1,000 pages after installation.
ITEMLIFEORDER NO.
Toner, standard, B4400, B4400L, 
B4400n, B4400Ln, B4600, B4600L, 
B4600n, B4600Ln, B4600nPS, 
B4600LnPS, B4600PS, B4600LPS.3,000 A4 @ 5% 43502302 (EU 
only) 
43502306 
(non-EU) 
Toner, high capacity, B4600, B4600L, 
B4600n, B4600Ln, B4600nPS, 
B4600LnPS, B4600PS, B4600LPS7,000 A4 @ 5% 43502002 (EU 
only)
43502004 
(non-EU)
Image drum 25,000 A4 pages* 43501902
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							B4400, B4400L/B4600, B4600L User’s Guide – Consumables and maintenance > 82
WHEN TO REPLACE THE TONER CARTRIDGE
B4400, B4400L, B4400N, B4400LN
Replace the toner cartridge after Toner Low displays in the printer 
Status Monitor. Also, the Error LED indicator slowly blinks when 
toner is low. After Toner Low displays, the printer will print about 
100 more pages then display Toner Empty and stop printing. 
Printing will resume after a new toner cartridge has been 
installed.
B4600, B4600L, B4600N, B4600LN, B4600PS, B4600LPS, 
B4600
NPS, B4600LNPS
When the toner is running low, TONER LOW is displayed in the 
operator panel LCD. If printing continues without replacing the 
toner cartridge, CHANGE TONER is displayed and printing is 
cancelled. Printing will resume after a new toner cartridge has 
been installed.
REPLACING THE TONER CARTRIDGE
It is recommended that you clean the LED array at the same time 
as you change the toner cartridge.
The toner used in this printer is a very fine dry powder contained 
in the toner cartridge.
Have a sheet of paper handy so that you have somewhere to 
place the used cartridge while you install the new one.
Dispose of the old cartridge responsibly, inside the pack that the 
new one came in. Follow any regulations, recommendations, etc., 
which may be in force concerning waste recycling.
If you do spill any toner powder, lightly brush it off. If this is not 
enough, use a cool, damp cloth to remove any residue. Do not 
use hot water, and never use solvents of any kind. They will make 
stains permanent.
WARNING!
If you inhale any toner or get it in your eyes, drink a 
little water or bathe your eyes liberally in cold water. 
Seek medical attention immediately.
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B4400, B4400L/B4600, B4600L User’s Guide – Consumables and maintenance > 83
Switch off the printer and allow the fuser to cool for about 
10 minutes before opening the top cover.
1.Press the top cover release button and open the printer’s 
top cover fully.
2. Pull the coloured lever on the right side of the toner 
cartridge towards the front of the printer to close the 
cartridge then remove the used toner cartridge.
3. Gently wipe the LED array surface with a soft tissue.
4. Close the top cover and press it down to latch it closed.
IMAGE DRUM LIFE
The life of an image drum depends on a number of factors, 
including temperature and humidity,  the type of paper used, and 
the number of pages per job.
The image drum should last  approximately 25,000 pages 
continuous printing. This number is approximate because 
different numbers of pages are printed each time and the 
environmental conditions and the paper type used may vary.
WHEN TO REPLACE THE IMAGE DRUM
B4400, B4400L, B4400N, B4400LN
When the drum reaches 90% of its life, a CHANGE DRUM 
message is displayed in the printer Status Monitor. Also, the Error 
LED indicator blinks fast when the image drum requires 
changing. Change the image drum when the print becomes faint 
or begins to deteriorate.
WARNING!
If the printer has been po wered on, the fuser may be 
hot. This area is clearly labelled. Do not touch.
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							B4400, B4400L/B4600, B4600L User’s Guide – Consumables and maintenance > 84
B4600, B4600L, B4600N, B4600LN, B4600PS, B4600LPS, 
B4600
NPS, B4600LNPS
When the drum reaches 90% of its life, a CHANGE DRUM 
message is displayed in the operator panel LCD. Change the 
image drum when the print becomes faint or begins to 
deteriorate.
REPLACING THE IMAGE DRUM
It is recommended that you change the toner cartridge 
and clean the LED array at the same time as you change 
the image drum.
1.Press the cover release and open the printer’s top cover 
fully.
2.Remove the used image drum and toner cartridge.
3.Follow the installation instructions on or inside the box 
containing the new image drum to install the new image 
drum.
4.Follow the installation instructions on or inside the box 
containing the new toner cartridge to install the new toner 
cartridge.
CAUTION!
The green image drum surface at the base of the 
cartridge is very delicate and light sensitive. Do not 
touch it and do not expose it to normal room light for 
more than 5 minutes. If the drum unit needs to be out 
of the printer for longer than this, please wrap the 
cartridge inside a black plastic bag to keep it away 
from light. Never expose the drum to direct sunlight 
or very bright room lighting. Always hold the image 
drum unit by the ends or from the top.
WARNING!
If the printer has been powered on, the fuser may be 
hot. This area is clearly labelled. Do not touch.
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							B4400, B4400L/B4600, B4600L User’s Guide – Consumables and maintenance > 85
5.Gently wipe the LED array surface with the LED lens 
cleaner that came with the new toner cartridge or soft 
tissue.
6.Close the top cover and press it down to latch it closed.
RESETTING THE DRUM COUNTER
After replacing the image drum, reset the drum counter to keep 
a correct count of the number of pages printed on the image 
drum. 
B4400, B4400L, B4400N, B4400LN
1.Start the Status Monitor for the printer.
2.Select the Printer Setup tab, click on the Printer Menu 
button and then select the Maintenance Menu. 
3.Select “Reset Drum Count” and click on the Apply button 
to reset the drum counter. 
B4600, B4600L, B4600N, B4600LN, B4600PS, B4600LPS, 
B4600
NPS, B4600LNPS
1.Press the Online button to return the printer to offline 
status.
2.Press the Menu button repeatedly until MAINTENANCE 
MENU is displayed, then press the Select button.
3.Press the Item button until DRUM COUNT RESET is 
displayed.
4.Press the Select button and the Drum Counter is reset.
5.Return the printer on line by pressing the Online button.
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							B4400, B4400L/B4600, B4600L User’s Guide – Consumables and maintenance > 86
GENERATING A CLEANING PAGE
If the printed page shows signs of fading, streaking or erratic 
marks, the problem may be cleared by generating a drum 
cleaning page as follows.
B4400, B4400L, B4400N, B4400LN
Using the printer Status Monitor
1.Start the Status Monitor for the printer.
2.Select the Printer Setup tab and click on the Printer 
Menu button. 
3.Select the Test Print tab and click on the Cleaning button.
4.Open the Manual Feed Tray and insert a sheet of A4 plain 
paper between the paper guides, then click the OK 
button. 
5.The printer grips the paper and prints a cleaning page.
6.If subsequent printing appears faded or uneven, try 
replacing the toner cartridge.
Using the Online button
1.Press the Online button to take the printer off line.
2.Open the Manual Feed Tray and insert a sheet of A4 plain 
paper between the paper guides. 
3.Press and hold down the Online button for at least five 
seconds.
4.The printer grips the paper and prints a cleaning page.
5.Return the printer on line by pressing the Online button.
6.If subsequent printing appears faded or uneven, try 
replacing the toner cartridge.
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							B4400, B4400L/B4600, B4600L User’s Guide – Consumables and maintenance > 87
B4600, B4600L, B4600N, B4600LN, B4600PS, B4600LPS, 
B4600
NPS, B4600LNPS
1.Open the Manual Feed Tray and insert a sheet of A4 plain 
paper between the paper guides. To print from the Paper 
Tray, press the Online button when the LCD display 
prompts you to insert a sheet of paper in the Manual Feed 
Tr a y.
2.Press the Menu button repeatedly until MAINTENANCE 
MENU is displayed, then press the Select button.
3.Press the Item button until CLEANING PAGE is displayed.
4.Press the Select button.
5.The printer grips the paper and prints a cleaning page.
6.Press Cancel to exit the menu. The printer should now be 
on line. 
7.If subsequent printing appears faded or uneven, try 
replacing the toner cartridge.
CLEANING THE LED ARRAY
Clean the LED array whenever a new toner cartridge is installed 
or if there are faded vertical areas or light printing down a page.
Wipe the LED array gently with an anti-static cleaning pad that is 
generally available for computer cleaning.
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							B4400, B4400L/B4600, B4600L User’s Guide – Troubleshooting > 88
TROUBLESHOOTING
STATUS AND ERROR MESSAGES
Your printer has been designed to give you helpful status 
feedback not only during normal operation but also if a printing 
problem occurs so that you can take appropriate corrective 
action.
B4400, B4400L, B4400N, B4400LN
Both status and error messages are displayed in your chosen 
language in the Status Monitor, error messages being 
accompanied by the appropriate flashing of the Error indicator. 
You can set the Status Monitor to pop up on your computer 
screen when an alert condition occurs from the Preferences tab 
in the Status Monitor.
B4600, B4600L, B4600N, B4600LN, B4600PS, B4600LPS, 
B4600
NPS, B4600LNPS
The LCD on the printer operator panel provides the self-
explanatory status and error messages in your chosen language. 
Error messages are accompanied by the Ready indicator being 
extinguished.
PAPER JAMS
Provided that you follow the recommendations in this guide on 
use of print media, and you keep the media in good condition 
prior to use, your printer should give years of reliable service. 
However, paper jams occasionally do occur, and this section 
explains how to clear them quickly and simply.
Jams can occur due to paper misfeeding from a paper tray or at 
any point on the paper path through the printer. When a jam 
occurs, the printer immediately stops, and the operator panel 
informs you of the event. If printing multiple pages (or copies), 
do not assume that having cleared an obvious sheet that others 
will not also be stopped somewhere along the path. These must 
also be removed in order to clear the jam fully and restore normal 
operation.
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							B4400, B4400L/B4600, B4600L User’s Guide – Troubleshooting > 89
The printer may experience a paper jam in one of three areas. 
>INPUT JAM - paper has failed to leave the selected feed 
tray and enter the internal paper path of the printer. A 
typical message indicates a paper jam and identifies the 
tray to check.
>FEED JAM - paper has entered the printer but failed to 
reach the exit. A typical message indicates a paper jam 
and advises you to open the top cover for access.
>EXIT JAM - paper has reached the exit but has failed to 
exit completely from the printer. A typical message 
indicates an exit jam and advises you to open the top 
cover for access.
INPUT JAM
1.Remove the paper tray from the printer.
2.Remove any crumpled or folded paper.
3.Remove any paper from the underside of the printer.
4.Replace the paper tray. 
After successful removal of any damaged or misfed paper, the 
printer should continue printing.
FEED JAM OR EXIT JAM
1.Remove the tray and clear any misfed sheets as given 
above.
2.Open the top cover.
WARNING!
The fuser area will be hot. This area is clearly marked. 
Do not touch it.
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							B4400, B4400L/B4600, B4600L User’s Guide – Troubleshooting > 90
3.Carefully lift out the image drum, complete with the toner 
cartridge. Be careful not to touch or scratch the green 
drum surface.
4.Remove any jammed sheets from the paper path.
5.Re-install the image drum complete with toner cartridge, 
ensuring that it correctly locates into the slots on each 
side of the printer.
6.Close the top cover and press down to latch it closed.
7.The printer will warm up and commence printing when 
ready. The page lost through the jam will normally be 
reprinted.
CAUTION!
Never expose the image drum unit to light for more 
than 5 minutes. Never expose the image drum unit to 
direct sunlight. Always hold the image drum unit by 
the ends or from the top. Never touch the surface of 
the green drum inside the image drum unit.
NOTE
If the edge of the jammed paper protrudes (or can be seen) 
from the exit, reinstall the image drum, close the top cover 
and switch the printer on. Remove the jammed paper from 
the exit when the exit roller begins rotating after a few 
seconds after switching on. However, if the jammed paper 
cannot be removed, contact a service representative.
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