Periodic (every month) cleaning is necessary to use the printer in good condition.

•	Do not insert or drop metal or flammable objects into the printer through openings such as a vent. It could lead to an electric shock or fire.
•	If foreign substances or liquids such as water entered the printer, do not use the printer as it is. It could lead to an electric shock or fire. Immediately turn OFF the power switch, disconnect the power plug from the electric socket, and contact your local MUTOH dealer.

•	When cleaning the printer, be sure to turn OFF the power and disconnect the power plug.
•	Do not use volatile solvents such as thinner, benzene, or alcohol. These solvents could cause damage to the paint.
•	Be careful that no moisture enters the printer. There is a possibility that the electric circuit inside the printer is short circuited.
•	Do not open covers attached using screws under any circumstances. This may cause an electric shock or a malfunction.

This section describes how to clean each part of the printer.

6.2.1 Cleaning the outer case

This sub-section describes how to clean the outer case.

Wipe out dust and dirt attached to the outer case by using a soft cloth.

$graphics\VJ1608A602A.gif$

6.2.2 Cleaning the inside of the printer

This sub-section describes how to clean the inside of the printer.

Follow the procedure below.

Open the front cover.

$graphics\VJ1608A400A.gif$

No.

Name

Front cover

Remove paper powder and dust attached to the pressurizing rollers using a soft brush.

•	Do not blow paper powder inside the printer using tools such as an air duster. It may cause an abnormal noise from the inside of the printer.

$graphics\VJ1608A616A.gif$

No.

Name

Pressurizing rollers

Apply a damp and tightly squeezed soft cloth to wipe out paper powder and ink attached to the platen and media guide.

$graphics\VJ1608A617A.gif$

No.

Name

Platen

Media guide

Apply a damp and tightly squeezed soft cloth to wipe off the dirt of the unpainted (silver color) area in the center of the grid roller.

$graphics\VJ1608A618A.gif$

No.

Name

Grid roller

6.2.3 Head cleaning

If printed data is blurred or lacks part of it, clean the print head surface and nozzle (Head cleaning).

Follow the procedure below to perform Head cleaning.

•	When not using the printer for a long period (one week or more), perform Head cleaning once a week. If not performing Head cleaning, the print head is clogged. Doing so will preserve print quality.
•	Remove media when cleaning. Cleaning with media loaded may lead to contact between the print head and media.

1	Confirm that the operation panel is Normal.

2	Check that the media loading lever is lowered.

Press the [>] key on the operation panel to select the cleaning mode.

$graphics\VJ1204P008J.gif$

Press the [Cleaning] key on the operation panel for at least 2 seconds.

$graphics\VJ1204P012J.gif$

•	Start Head cleaning.
•	"Cleaning **%" is displayed on the operation panel.
•	After Head cleaning is complete, the operation panel shifts to Normal.

•	If blurs or lacking parts in printed media do not disappear with one time of Head cleaning, perform Strong cleaning.
•	If blurs or lacking parts in printed media do not disappear with several times of Head cleaning, refer to "7 Troubleshooting ", and take appropriate measures.

6.2.4 Cleaning the cleaning wiper unit and around the print head

This section describes how to clean the cleaning wiper unit, surrounding area for the cleaning wiper unit, and around the print head.

(1) Cleaning time

Once a day, after operating for the day.

(2) Cleaning method

Follow the procedure below to clean the cleaning wiper unit, surrounding area for the cleaning wiper unit, and around the print head.

•

Use the following parts below to clean the cleaning wiper unit, surrounding area for the cleaning wiper unit, and around the print head.

•	Cleaning fluid
•	Cleaning stick
•	Plastic cup
•	Dropper

$graphics\nzilg007.gif$ 8.3 Options/Supply list

Turn OFF the power of the printer.
$graphics\nzilg007.gif$ 3.2.2 Turning the power OFF

•	"CR Mainte.: Start" is displayed on the operation panel.

Press the [Enter] key on the operation panel.

•	Maintenance starts.
•	The print head moves to the left.
•	The cleaning wiper moves forward.
•	"CR Maintenance: Wiper End" is displayed on the operation panel.

3	Clean the cleaning wiper unit. $graphics\nzilg007.gif$ 6.2.4.1 Cleaning the cleaning wiper unit

Clean around the print head.
$graphics\nzilg007.gif$ 6.2.4.2 Cleaning around the print head

•	Press the [Cancel] key if cleaning the cleaning wiper unit and around the print head is not performed.

After cleaning is completed, press the [Enter] key on the operation panel.

•	The cleaning wiper returns to its original position.
•	The print head returns to its original position.
•	The printer starts the procedure to turn the power OFF.
•	"Power Off" is displayed on the operation panel.
•	All the lamps on the operation panel and the LCD monitor are turned OFF.
•	The printer automatically turns the power OFF.

6.2.4.1 Cleaning the cleaning wiper unit

This sub-section describes how to clean the cleaning wiper and surrounding area.

Follow the procedure below to clean the cleaning wiper and the surrounding area.

Open the maintenance cover on the right of the printer.

$graphics\VJ1608A603A.gif$

No.

Name

Maintenance cover

•

When cleaning the cleaning wiper

•	Do not touch the cleaning wiper and head cap unit. Head cleaning may not be performed correctly because of oil from your hands.
•	Make sure to use a cleaning stick, and dip it in the specialized cleaning fluid (VJ-BIOINK1-CL), and then clean the wiper. Wipe it a fluid other than the specialized cleaning fluid can cause the print head to clog.
•	Cleaning sticks can be used for about 1 week. After 1 week, or when you cannot remove ink clumps, replace the cleaning stick.

Dip the cleaning stick in the cleaning fluid, and remove the ink and dust on the cleaning wiper.

Cleaning wiper left side:
Remove the ink and dust from the front and back.

$graphics\VJ1608A621A.gif$

No.

Name

Cleaning wiper left side

Cleaning stick

Head cap unit

Cleaning wiper right side:
Remove the ink and dust from the front and back.

$graphics\VJ1608A622A.gif$

No.

Name

Cleaning wiper right side

Cleaning stick

Head cap unit

Cleaning wiper unit right side surface:
Use your finger to slide the head cap unit to the right, and clean the right side surface of the cleaning wiper unit.

$graphics\VJ1608A623A.gif$

No.

Name

Cleaning wiper right side surface

Cleaning stick

Head cap unit

Cleaning wiper unit lower groove:
Use your finger to slide the head cap unit to the right, and clean the cleaning wiper unit's lower side groove starting at the back and moving towards the front.

$graphics\VJ1608A624A.gif$

No.

Name

Cleaning wiper lower groove

Cleaning stick

Head cap unit

Close the right maintenance cover.

•	Close the cover firmly until it is locked.

$graphics\VJ1608A606A.gif$

No.

Name

Maintenance cover

Press the [Enter] key on the operation panel.

$graphics\VJ1204P004J.gif$

•	The cleaning wiper moves inward.
•	"CR Maintenance: End" is displayed on the operation panel.

Open the maintenance cover on the right of the printer.

$graphics\VJ1608A603A.gif$

No.

Name

Maintenance cover

Dip the cleaning stick in cleaning fluid, and clean the cleaning wiper unit's lower side groove, starting at the back and moving towards the front.

$graphics\VJ1608A625A.gif$

No.

Name

Cleaning wiper lowest groove

Cleaning stick

Head cap unit

Using the dropper included with the printer, completely soak the head cap unit with cleaning fluid (1 ml to 2 ml).

$graphics\VJ1608A626A.gif$

No.

Name

Dropper

Head cap unit

Close the right maintenance cover.

•	Close the cover firmly until it is locked.

$graphics\VJ1608A606A.gif$

No.

Name

Maintenance cover

•	Cleaning of the cleaning wiper and surrounding area is complete.
•	Clean around the print head continuously as shown below. $graphics\nzilg007.gif$ 6.2.4.2 Cleaning around the print head

6.2.4.2 Cleaning around the print head

This section describes how to clean around the print head.

Follow the procedure below to clean around the print head.

•	Before starting to clean around the print head, read and understand this procedure, then clean promptly and accurately.
•	When cleaning around the print head, the print head cap must be removed and cleaning must be complete before the head dries. The recommended time for cleaning is about 15 minutes. If cleaning exceeds 15 minutes, discontinue it by following steps 4 and 5. Perform Head cleaning, and then start cleaning around the print head again. $graphics\nzilg007.gif$ 6.2.3 Head cleaning

Open the left maintenance cover.

$graphics\VJ1608A607A.gif$

No.

Name

Maintenance cover

Confirm, using a light such as a penlight, that there are no foreign objects, such as dust or ink attached to the following parts:

$graphics\VJ1608A608A.gif$

No.

Name

Around the print head

Head guide area

Nozzle

Dust, ink clump

•

When cleaning around the print head

•	Do not touch the nozzle of the print head. Doing so may damage the print head.
•	Do not touch the head of the cleaning stick. Oil on your hands may attach to the cleaning stick, causing damage to the print head.
•	Make sure to use a cleaning stick, and dip it in the specialized cleaning fluid (VJ-BIOINK1-CL), and then clean around the print head. Wipe it a fluid other than the specialized cleaning fluid can cause the print head to clog.
•	Cleaning sticks can be used for about 1 week. After 1 week, or when you cannot remove ink clumps, replace the cleaning stick.

If foreign objects, such as dust or ink are attached to the print head, dip the cleaning stick in cleaning fluid and remove them.

$graphics\VJ1608A609A.gif$

No.

Name

Around the print head

Head guide area

Nozzle

Cleaning stick

Close the left maintenance cover.

•	Close the cover firmly until it is locked.

$graphics\VJ1608A610A.gif$

No.

Name

Maintenance cover

Press the [Enter] key on the operation panel.

$graphics\VJ1204P004J.gif$

•	The cleaning wiper returns to its original position.
•	The print head returns to its original position.
•	Cleaning around the print head is complete.