OKI C5600N User Manual

							Replacing consumable items> 91
7.Lower the new belt unit into place, with the lifting bar at 
the front and the drive gear towards the rear of the 
printer. Locate the drive gear into the gear inside the 
printer by the rear left corner of the unit, and lower the 
belt unit flat inside the printer.
8.Turn the two fasteners (5) 90° to the right until they lock. 
This will secure the belt unit in place.
9.Replace the four image drums, complete with their toner 
cartridges, into the printer in the same sequence as they 
came out: cyan (nearest the rear), magenta, yellow and 
black (nearest the front).
10.Finally, close the top cover and press down firmly at both 
sides so that the cover latches closed.
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							Replacing consumable items> 92
FUSER REPLACEMENT
The fuser is located inside the printer just behind the four image 
drum units.
Switch off the printer and allow the fuser to cool for about 
10 minutes before opening the cover.
1.Press the cover release and open the printer’s top cover 
fully.
2.Identify the fuser handle (1) on the top of the fuser unit.
3.Pull the two fuser retaining levers (2) towards the front of 
the printer so that they are fully upright.
4.Holding the fuser by its handle (1), lift the fuser straight 
up and out of the printer. If the fuser is still warm, place it 
on a flat surface which will not be damaged by heat.
WARNING!
If the printer has recently been powered on, some fuser 
components will be very hot. Handle the fuser with 
extreme care, holding it only by its handle, which will 
only be mildly warm to the touch. A warning label clearly 
indicates the area. If in doubt, switch the printer off and 
wait at least 10 minutes for the fuser to cool before 
opening the printer cover.
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							Replacing consumable items> 93
5.Remove the new fuser from its packaging and remove the 
transit material.
6.Holding the new fuser by its handle, make sure that it is 
the correct way round. The retaining levers (2) should be 
fully upright, and the two locating lugs (3) should be 
towards you.
7.Lower the fuser into the printer, locating the two lugs (3) 
into their slots in the metal partition which separates the 
fuser area from the image drums.
8.Push the two retaining levers (2) towards the rear of the 
printer to lock the fuser in place.
Finally, close the top cover and press down firmly at both sides 
so that the cover latches closed.
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							Replacing consumable items> 94
CLEANING THE LED HEAD
Clean the LED head when printing does not come out clearly, has 
white lines or when text is blurred.
1.Switch off the printer and open the top cover.
2.Gently wipe the LED head surface with LED lens cleaner or 
soft tissue.
3.Close the top cover.
CAUTION!
Do not use methyl alcohol or other solvents on the LED 
head as damage to the lens surface will occur.
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							Installing upgrades> 95
INSTALLING UPGRADES
This section explains how to install optional equipment into your 
printer. This includes:
>duplex (two-sided printing) unit;
>additional RAM memory;
>additional paper tray
>cabinet
DUPLEX UNIT
The duplex unit adds the function of two-sided printing, using 
less paper and making large documents easier to handle. It also 
enables booklet printing, which uses even less paper and makes 
large documents even easier to handle.
The duplex unit slides straight into the rear of the printer and 
requires no tools to install.
1.Unpack the new unit and remove any transit material from 
it.
2.Switch the printer off. It is not necessary to disconnect the 
AC power cable.
3.Ensure that the unit is the right way up, as shown, and 
push it into the slot behind the rear panel. The panel will 
swing inwards as you push the unit into it. Push the unit 
all the way in until it stops and latches home.
4.Switch the printer on and wait for it to warm up (about 
1 minute).
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							Installing upgrades> 96
5.Print a menu map as follows:
(a)Press the + button to access the Information Menu.
(b)Press ENTER once for the menu map.
(c)Press ENTER again to print the menu map.
(d)When the menu map is printed, press ON LINE to 
exit the menu system.
6.Examine the first page of the menu map.
Near the top of the page, between the two horizontal lines, 
you will see the current printer configuration. This list 
should indicate that the duplex unit is now installed.
All that remains is to adjust the Windows printer driver to 
make full use of the new features.
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							Installing upgrades> 97
MEMORY UPGRADE
The basic printer model comes equipped with 64MB of main 
memory. This can be upgraded with an additional memory board 
of 64MB or 256MB, giving a maximum total memory capacity of 
320MB.
Installation takes a few minutes, and requires a medium size 
cross-head (philips type) screwdriver.
1.Switch the printer off and disconnect the AC power cable.
2.Press the cover release and open the printer’s top cover 
fully.
3.Lift the front cover latch and pull open the front cover.
4.Remove the screw (1) securing the right-hand side cover.
WARNING!
If the printer has been powered on recently, the fuser 
will be hot. This area is clearly labelled. Do not touch.
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							Installing upgrades> 98
5.Lift the edge of the side cover slightly at the two points 
shown, and pull the cover away from the printer at the 
top. Lift the cover slightly to detach it from the printer. 
Place it safely to one side.
6.Carefully remove the new memory board from its 
wrapping. Try to handle the board only by its short edges, 
avoiding contact with any metal parts as far as possible. 
In particular, avoid touching the edge connector.
7.Notice that the memory board has a small cutout in the 
edge connector, which is closer to one end than the other.
8.Identify the RAM expansion slot (1) in the printer.
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							Installing upgrades> 99
9.If the RAM expansion slot already contains a memory 
upgrade board, that board will have to be removed before 
you can install the new one. To remove it, proceed as 
follows, otherwise skip to step 10.
(a)Identify the locking clips (2) at each end of the RAM 
expansion slot (1).
(b)Push the clips outward and back into the printer. The 
board will pop out slightly.
(c)Grip the board firmly by its short edges and pull it 
out of the slot.
(d)Place the removed memory board in the antistatic 
bag which originally contained the new memory 
board.
10.Hold the new memory board by its short edges, so that 
the edge connector faces in towards the RAM expansion 
slot, and the small cutout is closer to the rear of the 
printer.
11.Gently push the board into the RAM expansion slot until it 
latches in and will not go any further.
12.Locate the three retaining clips at the bottom of the side 
cover into their rectangular holes near the bottom of the 
printer.
13.Close the top of the side cover up to the printer and refit 
the securing screw removed in step 4.
14.Close the front cover and close the top cover, pressing 
down firmly at each side to latch it closed.
15.Reconnect the AC power cable and switch the printer on.
16.When the printer is ready, print a menu map as follows:
(a)Press the + button to access the Information Menu.
(b)Press ENTER once for the menu map.
(c)Press ENTER again to print the menu map.
(d)When the menu map is printed, press ON LINE to 
exit the menu system.
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							Installing upgrades> 100
17.Examine the first page of the menu map.
Near the top of the page, between the two horizontal lines, 
you will see the current printer configuration. This list 
contains the figure for total memory size.
This should indicate the total memory now installed.
ADDITIONAL PAPER TRAY
1.Switch the printer off and disconnect the AC power cable.
2.Place additional paper tray on desired location.
3.Observing safety rules for lifting and, using locating 
guides, place printer on top of the additional paper tray. 
4.Re-connect the AC power cable and switch the printer ON.
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