MIMAKI JV400-LX Maintenance manual

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JV400LX Series
Requests for Daily Care and Maintenance
This machine is a precision machine equipped with extremely fine mechanisms. Especially, the nozzle surface of the
heads from which the ink is discharged is affected even by a slightest attachment of dust or paper powder and the
proper printing results could not be obtained. With a view to using this machine in a better condition, we would like to
recommend performing the following care and maintenance on daily basis.
Use this printer as much as possible in a dust-free environment. Fans and air-blowers could cause the dust-
spewing.
The using environment of this printer is from 20 to 30oC in temperature and from 35 to 65 % in relative
humidity. Avoid the use of this printer at a temperature and humidity higher or lower than the indicated
ranges.
CAUTION
Make sure to wear the attached goggles and gloves.
The ink, if mixed with water or alcohol, generates condensed substances. Pay attention not to deposit
water or alcohol to the nozzle surface, surrounding area of the heads, caps and wipers.
To secure the stability of the ink discharge, when the printer is not used (output) for an extended
period of time, it could become necessary to discharge periodically a small amount of ink (flushing),
depending on the kinds of the ink.
When not using for an extended period of time, execute the [CUSTODY WASH] function of this equip-
ment, ("When the Machine Is Not Used for a Long Time (CUSTODY WASH)" Chapter 4 of Operation
Manual) and put off the power switch on the front, only. Leave the main power switch at the side of
the equipment on and keep the cable socket inserted into the plug.
Never disassemble this machine. It could cause electrical shock, fire and breakage.
Keep away the moisture from the inside of this machine. If the inside is moistened, it could cause elec-
trical shock, fire and breakage.
Perform the maintenance and care after switching off the power and taking off the power cable. Other-
wise, it could cause unexpected accidents.
Avoid using benzene, thinner, and chemicals containing abrasive compounds. The surface of the
cover could be degenerated or deformed.
Do not supply lubricant oil etc. to the inside this machine.
It could cause the breakdown of this machine.
1. Installation environment

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Tools required for Maintenance
Surroundings of the heads ("Cleaning the Ink Head and the Area around It" Chapter 4
of the Operation Manual)
The heads and their surroundings are the parts most liable to be tainted in this machine and if tainted, it could
cause adverse effects to the functions of the machine and the results of the printings. Moreover, as the head
itself uses very fine mechanisms, sufficient precautions are required for the care and maintenances.
1Move the carriage to the left.
• Move the carriage referring to “Cleaning the Ink Head and
the Area around It” Step 1, Chapter 4 of the Operation
Manual.
2Open the maintenance cover.
• Remove the screws and open the maintenance cover.
3Clean the head and the surrounding area.
• Gelled ink and dust could stick under the slider (the gray
area in the figure below) and the surroundings of the head.
• To prevent gelled/ solid ink ground from pooling at the front
and rear of the carriage, Scrape them off with clean stick
etc. In this case, never rub the nozzle portion of the head.
2. Daily care and maintenance
Item Name Product No.
Clean stick SPC-0527
Maintenance washing Liquid LX kit ML001-Z-K1
Wiper kit 400 SPA-0184
KIMWIPE S-200 SPA-0207
Maintenance
cover
Nozzle
position
Clean with the clean stick.
Before cleaning After cleaning

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Capping station ("Cleaning the Wiper and Cap" Chapter 4 of the Operation Manual)
The surrounding area of the cap is also liable to be stained by the dust and ink. It is recommended to clean the
head frequently using the maintenance washing liquid LX suitable for the ink used to avoid the stains on the
head.
Maintenance washing liquid LX kit: Product No. ML001-Z-K1
1Move the carriage.
• Move the carriage referring to “Cleaning the Wiper and
Cap” Step 1, Chapter 4 of the Operation Manual.
2Clean the cap.
• Dip the clean stick into the maintenance washing liquid LX
and wipe off so that you can see color of the cap rubber.
Wipe off so that maintenance washing liquid LX will not
remain.
At this point, clean the cap rubber only. Do not clean the mesh inside the cap.
Execute “DISWAY WASH” regularly (about once a week) to clean the mesh
inside the cap. (Refer to "Operation Manual" chapter4）
Capping station
Cap
Before cleaning After cleaning

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Replacing method of C absorber kit ("Replacing method
of C absorber kit" Chapter 4 of the Operation Manual)
If ink adheres to the C absorber, it is required to replace the C absorber.
Rough guide for replacement:
Replace when the concavity and convexity of the surface of the
absorber are filled with ink as indicated in the right photo.
1Move the carriage.
• Move the carriage referring to “Replacing method of C
absorber kit” Step 1 to 4, Chapter 4 of the Operation Manual.
2Open the right maintenance cover.
3Replace the C absorber.
Dirty C absorber
Dirty C absorber
Capping station
C absorber
C absorber2

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Wiper ("Cleaning the Wiper and Cap" Chapter 4 of the Operation Manual)
Ink, dust, or paper waste is pooled on the wiper. To keep stable printing quality, wash the wiper at the end of
the day.
Maintenance washing liquid LX kit (ML001-Z-K1)
Kim Wipe®(SPA-0207)
Clean the wiper completely until the stained ink
on the top edge of the wiper film is washed
away after soaking the wiper in the mainte-
nance washing liquid LX for 1-24 hours. It is
recommended to prepare two or more wipers
and use them alternately.
If cleaning of the wiper is not enough, it may
cause nozzle clogging.
Do not wash the wiper with other than the Kim
Wipe®(SPA-0207). Otherwise, lint may remain
on the wiper.
The shape of the area around the wiper has changed.
Check the shape of the wiper slider of the machine you are using and perform
maintenance in accordance with the shape.
Reference for cleaning
Top edge of the wiper film
Wiper slider Wiper slider
Page 6 Page 9

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Procedure1
1Move the carriage.
• Move the carriage referring to “Cleaning the Wiper and
Cap” Step 1, Chapter 4 of the Operation Manual.
2Open the right maintenance cover.
3Remove the wiper.
• Pull out the wiper by holding the protrusions at its both
ends.
Wiper
Right maintenance cover
Projection

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4
Put the wiper that you used for one day into a provided case or solvent-resistance-
covered-container (glass, earthenware, etc.) and pour maintenance washing liquid LX.
• Time to immerse the wiper shall be for 1 to 24 hours.
5Take out the wiper and remove ink blot etc. with
a Kim Wipe®.
• Wipe off well so that any lint etc. do not remain on the top edge of
the wiper film.
6Clean the wiper slider.
• Use a clean stick dipped in maintenance washing liquid LX to wipe
away any ink that has adhered to the edges of the wiper slider.
Also clean the slanting part inside the wiper slider, if it is dirty.
Wipe off so that maintenance washing liquid LX will not remain.
7Set the wiper at the original position.
• Insert the wiper by holding both ends of the wiper.
If you leave the wiper immersed in maintenance washing liquid LX too long,
the wiper may be deformed.
Dispose the maintenance washing liquid LX for soaking the wiper if it gets
dirty. (As a guide, replace it in a week). Regarding disposal of unused mainte-
nance washing liquid LX, please ask Industrial waste disposer and pursuant to
the regulations of your district.
For case for immersing the wiper, please use provided case or solvent-resis-
tance-covered-container. In case that you want to immerse the wiper by using
your resin case, please make sure to test whether there are no problems such
as case deformation before you try.
At the start of immersion At the end of immersion
Wipe
Clean if dirty
Projection

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8Clean the area around the wiper.
• Dip the clean stick in the maintenance washing liquid LX, and wipe clean the wiper guide upper portions and
the portions one level below.
Further, in the cases as explained below, replace the wiper with the new one in accordance with "Replacing
the wiper" on Chapter 4 of the Operation Manual.
Even if you clean the wiper enough, nozzle
clogging etc. occurs frequently
When the wiper is deformed
When the stuck ink can not be wiped off
When the warning for wiper replacement is
indicated
When the warning message for replacing wiper is shown, confirm whether
there is no damage and fuzz at the top edge of the wiper film. If there is no dam-
age on the top edge of the wiper film, it is possible to use the wiper continu-
ously without replacing it.
Wiper guide upper portions and portions one level below
Wiper guide Wiper guide
Need to replacing
New wiper

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Procedure2
1Move the carriage.
• Move the carriage referring to “Cleaning the Wiper and
Cap” Step 1, Chapter 4 of the Operation Manual.
2Open the right maintenance cover.
3Remove the wiper.
• Pull out the wiper by holding the protrusions at its both
ends.
4Put the wiper that you used for one day into a provided case or solvent-resis-
tance-covered-container (glass, earthenware, etc.) and pour maintenance
washing liquid LX.
• Time to immerse the wiper shall be for 1 to 24 hours.
Wiper
Right maintenance cover
Projection

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5Take out the wiper and remove ink blot etc. with
a Kim Wipe®.
• Wipe off well so that any lint etc. do not remain on the top edge of
the wiper film.
6Clean the wiper slider.
• Wipe off the ink sticking to the wiper slider with a clean stick
dipped in maintenance washing liquid LX.
Wipe off so that maintenance washing liquid LX will not remain.
7Set the wiper at the original position.
• Insert the wiper by holding both ends of the wiper.
If you leave the wiper immersed in maintenance washing liquid LX too long,
the wiper may be deformed.
Dispose the maintenance washing liquid LX for soaking the wiper if it gets
dirty. (As a guide, replace it in a week). Regarding disposal of unused mainte-
nance washing liquid LX, please ask Industrial waste disposer and pursuant to
the regulations of your district.
For case for immersing the wiper, please use provided case or solvent-resis-
tance-covered-container. In case that you want to immerse the wiper by using
your resin case, please make sure to test whether there are no problems such
as case deformation before you try.
At the start of immersion At the end of immersion
Wipe
Projection

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8Clean the area around the wiper.
• Dip the clean stick in the maintenance washing liquid LX, and wipe the space below the wiper guide, and
the space between the wiper slider and ink guard W.
Further, in the cases as explained below, replace the wiper with the new one in accordance with "Replacing
the wiper" on Chapter 4 of the Operation Manual.
Even if you clean the wiper enough, nozzle
clogging etc. occurs frequently
When the wiper is deformed
When the stuck ink can not be wiped off
When the warning for wiper replacement is
indicated
Media press
When the cut dust of the media and other dusts accumulate between the media holder and the platen, it could
cause the risks that the transfer of the media could not be performed properly or such dusts stick to the nozzles
and this could interfere the proper printings. You are recommended to clean it frequently.
When the warning message for replacing wiper is shown, confirm whether
there is no damage and fuzz at the top edge of the wiper film. If there is no dam-
age on the top edge of the wiper film, it is possible to use the wiper continu-
ously without replacing it.
Space below the wiper guide Space between the wiper
slider and ink guard W
Wiper guide Wiper guide
Ink guard W
Need to replacing
New wiper
Media press Media press with dust

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Media sensor ("Cleaning the Media Sensor" Chapter 4 of the Operation Manual)
Two media sensors are provided: one above the platen on the rear surface of the equipment and another on the
bottom surface of the head. If the dusts and ink accumulate on the sensor, it could cause false detection of the
media or the register mark. Wipe off the sensors with soft cloth or clean sticks.
Cleaning the media sensor at the bottom surface
of the heads.
1Move the carriage to the left.
• Move it with reference to “Cleaning the Ink Head and the
Area around It” Step 1, Chapter 4 of the Operation Manual.
2Open the maintenance cover.
• Remove the screws and open the maintenance cover.
3Clean the media sensor.
• Wipe off the dusts and stuck ink with soft cloth or clean
sticks.
Cleaning of the media sensor at the rear surface
of the machine
Wipe off the dusts and stuck ink with soft cloth or clean sticks.
For the cleaning of the media sensors, never use the solvent.
When the sensor is heavily stained, wipe off with a cloth soaked in the water-
diluted neutral detergent.
Maintenance
cover
Media sensor on the head
Media sensor

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Platen (“Cleaning the Platen” Chapter 4 of the Operation Manual)
Platen is a place where dusts, paper powder, and ink are liable to accumulate. It is therefore suggested to clean
it frequently. Wipe out the platen surface and the platen cover with a soft blush or cloth. The grooves for media
holder and for cutting the paper (cutter line) are the place where the dusts are especially liable to accumulate.
Clean them thoroughly.
Exterior (“Cleaning the Exterior Surfaces” Chapter 4, Operation Manual)
Depending on the using environment, the dusts or sand powder could stick to the exterior of the main unit. To
avoid the entry of the dusts into the moving part of the head, wipe them off with soft cloth dipped into water and
squeezed tightly
Waste ink tank (“If a Waste Ink Tank Confirmation Message Appears” Chapter 4 of the
Operation Manual)
Check whether the waste ink tank is full or not. Take care so that the waste ink never overflows the tank.

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Store the media in the location where the dusts are not liable to accumulate and away from direct sunlight. Avoid
storing the media in a place subjected to high temperature and high humidity, as the media abhors humidity, too.
Store the cartridges in a place avoiding direct sunlight and high humidity. As the cartridges are fine and precise arti-
cles, avoid dropping or crushing them. Do not make dirty touching or discharge static electricity to the board
mounted on the ink cartridges.
The board mounted on the ink cartridge
Typical examples of the defects created on the printings by the defective discharge at the head (nozzle) caused by
the dusts etc. Check the status of the nozzles periodically before and during the outputting so that the printer is not
used under such conditions. The state of the nozzles can be checked by way of “Test Print” of this printer. ("Test
Printing" Chapter 2 of the Operation Manual)
3. Storing of the media
4. Storing of the cartridges
5. Examples of image quality deteriorate
Deflection Nozzle out
Ink dropping Satellite

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When this printer has not been used for an extended period of time, or depending on the environmental tempera-
ture, the discharge at the nozzles could become unstable. In such a case, the following methods may be taken to
recover the status of the nozzles.
When the printer is not to be used for a period of one week or above, perform the cleaning of the heads and nozzles
and the ink discharging channel before storing this printer.
Wiper kit 400 (Product No. SPA-0184)
C absorber kit (Product No. SPA-0185)
When the solvent ink is used: Maintenance washing Liquid LX kit (Product No.: ML001-Z-K1)
Waste ink tank 2 liters (Product No.: SPA-0117)
Cutter blades (Product No.: SPA-0107)
Clean stick for the surroundings of the head 50pcs (Product No.: SPC-0527)
W filter kit (Product No.: SPA-0187)
Kim wipe (Product No.: SPA-0207)
6. Recovery method of defective nozzle discharge
1. Daily maintenance and care
Perform the cleaning of the parts described in this document.
2. Performing Head Cleaning (normal). Refer to Chapter 2 of Opera-
tion Manual.
After having performed the care and maintenance stated in step 1, perform the
cleaning of the heads in accordance with the procedures stated in Operation
Manual.
Perform test printing and
check
(Chapter 2 of Operation Manual)
In the event nozzle missing etc. have not been improved
3. Performing Head Cleaning (hard). Refer to Chapter 2 of Operation
Manual.
If the nozzle missing does not disappear even after repeating the head cleaning
(normal) several times, reset the cleaning mode to "hard" and perform the
cleaning again.
Perform test printing and
check
(Chapter 2 of Operation Manual)
In the event nozzle missing etc. have not been improved
4. Perform the cleaning of the head nozzles. Refer to Chapter 4 of
Operation Manual.
Perform the cleaning of the head nozzles. In this case, leaving time of the
cleaning liquid for maintenance shall be made [1 minute].
Perform test printing and
check
(Chapter 2 of Operation Manual)
In the event nozzle missing etc. have not been improved
5. Perform the cleaning of the head nozzles again. Refer to Chapter 4
of Operation Manual
Reset the leaving time of the cleaning liquid for maintenance to [10 minutes],
and perform the cleaning of the head nozzles again.
Perform test printing and
check
(Chapter 2 of Operation Manual)
If the nozzle missing has not been improved even with the above operations, please call us
or your sales agent from whom you purchased this printer.
7. When the printer is not used for a long period
(Chapter 4, Operation Manual)
8. Supplies

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