MIMAKI UJF-706 Installation guide

D202168-11

MIMAKI ENGINEERING CO., LTD.

URL: http: // www.mimaki. co. jp/

Foreword .......................................................................... 3

About Media ............................................... 4

Media type ....................................................................4

Media characteristics ...................................................4

Notes for setting media ................................................5

Setting check before printing .................... 6

Checking the settings of the machine ..........................6

Checking the printing data ...........................................8

Check during printing ................................. 9

Daily care ................................................. 10

Other precautions .................................... 11

TABLE OF CONTENTS

Foreword

Congratulations on your purchase of UJF-706 optional roll unit.

This manual describes tips for using UJF-706 with the optional roll unit easily and stably.

Especially handle 25 m-thick media with care because it is extremely delicate. To use it, please under-

stand the characteristics of the media well and use the optional roll unit comfortably.

For printing and various settings on UJF-706, please refer to the operation manual of UJF-706.

You can also download the latest manual from our website.

Reproduction of this manual is strictly prohibited.

About Media

Media type

Various media can be used on UJF-706 including PP film, PVC, Tarpaulin and FF. For details, see the operation

manual of UJF-706.

This manual explains notes for thickness and elastic force of media.

Thickness (The machine specification is 25 μm to 1 mm)

To use thin media of 50 m thick or less, take a stretched one (OPP).

Unstretched media (CPP) is strongly affected by the heat of a lamp (causing expansion of the media) or ink cur-

ing (causing contraction of the media), therefore, a printed media may cockle and strain.

Elastic force

Tarpaulin and FF are easy to stretch, and OPP, PVC or the like are hard to stretch.

Please understand the characteristics of those media to feed media stably when printing continuously.

Set a media in the center of the table, and print data in the center of the media to feed it stably. Printing an image

located to the right or left continuously may cause skew of the media, because bilateral difference of take-up

pressure may occur between a surface with ink thickness and without ink thickness. Un-withy media can be more

affected.

Media characteristics

The roll media is produced by processing media at the manufactures. Depending on the production process,

material, or seasonal effects, the surface of media can be uneven.

Example of media in bad condition

Media condition How to distinguish

Stretched media (OPP) Smooth to the touch, strong with pulling force

Unstretched media (CPP) Adhesive to the touch like a plastic wrap.

Easy to stretch by pulling.

Lifting and stretching on the left

Waving and cockling on the edge surface

About Media

You can print on the media shown as the figure, however, you may have to widen the head gap (The image

becomes blurred) or the media may cockle during printing.

You should not use such a media, which is unfit for UJF-706.

Check the media to be used, and use them depending on the conditions.

Notes for setting media

Set the roll media in the center of the table face on the feeding side.

Smooth the media symmetrically (parallel to the machine), and then set it to the paper core of the take-up device.

• Setting media on a skew may cause media skew.

• For setting procedures of media, see “CHAPTER 2 How to Use” on the operation manual of the

optional roll unit.

Setting check before printing

Checking the settings of the machine

Check the followings before printing. Checking them allows to print effectively and smoothly.

For setting of the media, see “CHAPTER 2 How to Use” on the operation manual of the optional roll unit.

Check Flow

1Check the table.

2Check the setting of the media.

3Check the operation switch

Before setting the media, clean the table top

surface. Remove ink, foreign object, dust, etc., if

any.

Check that the roll media has been set firmly to the

roll holder bottom edge at the feeding side. Check

that the paper core of the take-up side has been set

firmly to the roll holder bottom edge.

Check the setting of the operation switch on the roll

unit (take-up/ feeding side). (Operation Manual of

the optional roll unit P.2-2 Step 2)

4Check the position of the ten-

sion bar.

Check the tension bar is parallel to the floor. (Opera-

tion Manual of the optional roll unit P.2-8 Step

19, P.2-9 Step 22）

5Set the

Tension bar lifting stopper.

Pull and set the tension bar lifting stopper to the left

on the take-up side. (Operation Manual of the

optional roll unit P.2-8 Step 20)

62本シャフトのセット確認 Check that media has been inserted between two

shafts to press the media onto the table top surface

at front and rear of the table unit. Also check the

shaft outside of each shaft has not floated.

Setting check before printing

7ロール保護カバーの確認

8Check the setting of the UV

level.

9Check the setting of the mist fan.

Check that the roll protection cover covering the

turning bar at the upper part of the take-up side

does not open.

For thin media of 50μm or less, set the UV level to

“LOW”. (Operation Manual of the optional roll unit

P.2-16)

Set the strength of the mist fan. (UJF-706 Operation

Manual “Setting the strength of mist fan”)

Set the head gap. 1.2 mm is recommended, however, adjust the set-

ting depending on the edge surface condition of the

media. ( P.4) (UJF-706 Operation Manual

“Registering head gap value”)

Check the origin position of an

image data.

Check that a data is properly located to the media

on RIP (printing in the center of a media is recom-

mended), and the origin position of the main unit is

properly set.

Perform maintenance including cleaning if neces-

sary.

Check the nozzle condition

before printing.

Start printing.

Setting check before printing

Checking the printing data

Location and size of the printing data

In the effective printing area of 700 mm wide x 600 mm long, locate data in the center of the media as much as

possible.

For thin media, get a non-printing area around the data (20 to 30 mm or more is preferable) to avoid turning and

cockling of the edge surface of media (causing media jam) after printing.

The followings can occur depending on the location and size of data.

Image data setting on RIP

Use the version 1.2 or later of RIP. (For details of the compliant versions, contact your local distributor or our

office.)

Non-printing area around the data can be set by RIP. If the RIP data area with the non-printing area exceeds the

effective printing area (700 x 600), a message appears on RIP.

The X and Y value of “ORIGIN SET UP” on the main unit (default is 0, 0) is also added to an input value and

detected whether it is within the printing area or not.

If an error appears, check the data area in the remote mode.

Problem Solution

When data is located to the right or left on the media

A thickened media only on one side may

lose taking up balance on the take-up part,

and the longer it is printed continuously, the

more it strains. They can cause skew of the

media.

Locate a data in the center of the media

and then print.

When data are located in rows sideways

If images are equally spaced in a row, the

media can cockle during taking up, affect-

ing the print.

Modify the spaces among the images, or

change the location of the images to make

an improvement.

Space

Check during printing

The feeding condition can change after starting printing, depending on the setting of the media, characteristics of

the media, or type of the image data.

Check the condition until it stably prints continuously for two to three meters.

Check point

If problems are not solved after checking the followings, contact a distributor in your district or our office.

For the nozzle clogging or mist, see the operation manual of UJF-706.

Problem The point to be checked

The media is not fed straight. Check the media is set in the center of the table correctly.

Check there is no foreign substance and no stickum on the table.

Check the media is not skewed.

There are cockles or skews on the print. Check the UV level.

Check the setting position of the media or location of the printing

data.

Check the media does not strain.

Daily care

Maintenance is important to use the machine comfortably under good conditions.

Perform the followings before and after printing if necessary.

1. Cleaning of the table

•Remove foreign substances, stickums, or ink.

•Wipe out with ethyl alcohol if necessary.

• If it is used with a wide head gap, mist may be collected and piled up at the table suction holes out of the

media.

If mist has been piled up, scrape off it with a cutter, not to scratch the surface of the table.

2. Daily care of the printer (See the operation manual of UJF-706.)

• Head cleaning

• Flushing BOX

• Wiper rubber

• White maintenance

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