© 2009 MIMAKI ENGINEERING CO.,LTD.
3.1.1
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Maintenance Manual > Workflow > Ink Related Parts > Replacement of the Head Unit
Model CJV30/TPC Issued 2008.08.04 Revised 2008.09.17 F/W ver. 1.20 Remark
1.1
3.1.1 Replacement of the Head Unit
List of replacement procedures
Item
Work operation
Description
Ref.
Covers
1.
Removal of covers, etc.
Remove the front cover and print head cover.
Print Head
Unit Assy
2.
Preparation of the new head and
cleaning of its inside
Fill the head with the water-based transportation liquid
(S-46) before shipment from the factory. If ink is charged while
the head is in original state (the S-46 is inside the head), it reacts
chemically with the solvent ink, with a precipitate being formed.
Therefore, until a new head is installed, it is necessary to clean
the head with the washing liquid (MS washing liquid) used
exclusively when replacing the S head.
3.
Removal of the head.
Remove the damper before removing the disused head.
4.
Mounting of the head.
Mount the new head which has been cleaned.
5.
Check of the head ID
Check the head ID and enter it manually when necessary.
(Normally, manual entry is not necessary because writing is
carried out automatically.)
Ink
6.
Ink charge into the head
Fill the head with ink and carry out test plotting.
Check for any nozzle outs or flight deflection of ink droplets.
Check
7.
Head slant adjustment
Mechanically adjust the replaced head.
8.
Correction of dot position
(Press the key [ADJUST])
Adjust dot locations.
9.
Correction of dot position
(Press the key [SET UP])
Make adjustment by (pressing the key) [DROP.POScorrect]
of “user mode”.
Covers
10.
Mounting of the covers
Mount the covers that have been removed.
Be sure to wear protective glasses and working gloves during the operation.
Ink may get into your eyes depending on the working condition, or hand skin may get rough if you touch
the ink.
Head Unit
