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MX-4070N  2 – 3

4-a)

Turn the drum cover securing locks (2) to release, and then 
raise the drum positioning cover.

4-b)

Raise a lever to the left. Pull out the developing unit to 
remove.

4-c)

Remove the fixing tape.

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4-d)

Insert the developing unit so as not to give a strong shock to 
the main unit gently.Raise a lever to the right.

Slide the developing unit horizontally into the machine, in the 
direction of the arrow, until developing unit locks into. place.
Do not push the unit diagonally, as contact with the drum may 
occur causing damage.

When removing or installing the developing unit, put your 
hand from below the unit and slide it in parallel along the 
guide.
At that time, be careful not to touch the roller surface.

When installing the machine, there is no need to remove or 
install the OPC drum unit. If it must be removed or installed 
for any reason, follow the procedures below. When removing 
or installing the OPC drum unit, put your hand from below the 
unit and slide it in parallel along the guide on the right side.
At that time, be careful not to touch the OPC drum surface.

4-e)

Close the drum positioning cover, and lock it. 

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MX-4070N  2 – 4

1)

Pull out the tray. Turn the fixing material and remove it. Remove
the caution label. 
Attach the removed fixing material to the position shown in the fig-
ure for future use. 
Close the tray which was pulled out.

1)

Remove the optical unit fixing screw, and remove the note label.

2)

Attache the protection sheet.

When an optional paper feed desk is connected to the machine,
unpack and install the paper feed desk, then unpack the machine.
Place the machine on the option desk securely, and perform the
installing procedures of the machine.
Place the machine on the optional desk firmly and secure.

This models have been shipped with developer enclosed into the
developer unit and done Sim25-2. Therefore do NOT execute Sim25-2
at machine installation.

If executed Sim25-2, replace all of the developers with new ones and
execute Sim25-2. If the machine have been used without replacing the
new developer. It may be trouble related to the life performance.

1)

Shake the toner cartridge horizontally several times

4-f)

Connect the connecter.

1

Operation manual

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2

Protection sheet

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MX-4070N  2 – 5

2)

Open the front cover and insert each toner cartridge

Be sure to install the color cartridge to their proper positions.

Avoid installation to a different color position.

Do not forcibly insert the toner cartridge.

Push it in until the cartridge is securely locked in place.

Developing units removed, be sure to remove the toner cartridges
as well to prevent toner clogging.

3)

Close the front cover

4)

Confirm that "Toner replacement in progress" is displayed and
wait until the display disappears (It takes 30 sec - 6 min)

This procedure is for checking the toner supply operation from the
toner cartridge to the DV unit. The operation time differs depend-
ing on the toner quantity in the toner cartridge, uneven distribution
of toner and the internal state of the toner cartridge.

Do not perform operations which interrupt the above operation
such as opening the front cover, entering the Sim mode and turn-
ing OFF/ON the power. If this precaution is ignored. Trouble
codes F2-40 - 43 or F2-64 - 67 or a over-toned condition may
occur.

When the main unit is transported after the installation, be sure to
remove the DV unit and the Toner cartridge.

Then, be careful not to make the developer spilled out from the
mouth of the DV unit.

Dust from the transfer belt or shutter or some other adjacent part may
fall onto the LSU during transport or installation. Be sure to clean the
dust-proof glass and PTC wire before checking the image quality.

1)

Detach the LSU cleaning bar from the front cover.

2)

Turn the felt side of the cleaning bar downward and insert it. Slide
it back and forth a few times to clean the LSU dust-proof glass.

3)

Return the LSU cleaning rod to the front cabinet so that the felt
faces upward. Fit the boss, and fix it with three pawls.

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MX-4070N  2 – 6

4)

Move the PTC cleaning rod back and forth a few times to clean
the PTC wire.

After completion of cleaning, insert the cleaning rod completely to
the bottom.

5)

Attach the waste toner box.

Both ends being locked surely.

6)

Close the front cover.

For the destination EXIT TRAY CABINET option.

Finisher or exit tray cabinet have to be installed before turning on
the machine otherwise get L4-11 code will occur.

1)

Press the [SETTINGS] key.

2)

Touch the [Init. Install Settings] key.

3)

Touch the [Password] key at the Administrator Login.

Enter the password with 10-key.  "admin" 

4)

Touch the [Paper Tray Settings] key to configure the settings.
These settings specify the paper type, paper size, and functions
allowed for each paper tray. When the [Tray Settings] key is
touched, a list appears showing the trays and the current settings.

5)

Touch the [Each tray] key in the above screen to change the set-
tings. The following settings can be configured.

1)

Pull out the paper tray.

Gently pull the tray out until it stops.

If paper remains in the tray, remove it.

2)

Adjust the guide plates A and B by squeezing their lock levers and
sliding them to match the vertical and horizontal dimensions of the
paper to be loaded.

The guide plates A and B are slidable. Slide each guide plate
while squeezing its lock lever.

Type

Select the type of paper that is loaded in the tray. The 
paper types that can be selected vary by paper tray.

Size

Select the paper size from the list. The paper sizes 
that can be selected vary by tray. The sizes that can 
be selected may also be restricted by the paper type 
selected above. 
If the desired size does not appear in the list, select 
[Custom Size] and directly enter the size (only for the 
bypass tray).

Feeding Approved 
Job

Select the modes that can be used. If there is a 
function that you do not wish to be used with the 
selected tray, disable the function. When the "Type" is 
other than plain paper, recycled paper, colored paper, 
or a user type, [Fax] and [Internet Fax] cannot be 
selected.

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B