Specifications

Overhaul of Ink-related Parts
3-7
3-3-1. Head Unit
Content
General Procedures and instructions for Head Unit Replacement are described here.
Tools and Jigs
• IH47V Head unit Assembly (M007034)
• Inside head washing tool (M005027) ←Equivalent to JV3
• Washings for replacement of S-head (M005026) ←Equivalent to JV3 (Only when filling with Solvent Ink)
• Phillips screwdriver (No.2 M3-M5)
• Hexagon wrench (Opposite side: 2.5 mm Bondhus type magnetized)
• Small slotted screwdriver
• Scope (approx. x50)
• Media for adjustment (Glossy type media)
• Waste cloth (non-woven paper, etc.)
Item Description
Reference
page
1. Preparation
(Cleaning within Head)
Because the head is filled with water-based transportation liquid (S-46) on
shipment, this will react with the solvent ink to form a precipitate. Use S
Head Changing Wash (MILD SOLVENT WASHING LIQUID) to clean the
head before replacement.
p.3-8
2. Remove the Head Unit Refer to the video manual
3. Reassemble Head Unit Refer to the video manual
4. Filling of Ink Choose ink charge procedure according to change or no-change of Damper,
and execute “TEST DRAW” after ink charge is completed.
p.3-9
5. Adjustment of the head
angle
Mechanically adjust the angle of Head Unit.
p.3-9
6. Drop Position Correction Correct dot positions. p.3-11
Use protection glasses and gloves during works.
In some working conditions, ink may reach your eye or contact with ink may chap your
skin.
The Head Unit Replacement procedure is principally the same as for JV3. Damper construction is
the same, while the appearance of the Head is different.