MAINTENANCE PROCEDURES
20509 Issue 7 Jan 2018 3-13
Changing to New Ink with different Solvent Base
CAUTIONS: (1) If MEK base ink is to be changed to water base ink,
the ink system must be meticulously flushed to
prevent ink contamination. Extreme care must be
taken to remove all traces of the old ink. In older
printers it may be necessary to replace some pipes
to thoroughly remove the ink.
(2) Changing from water base ink to MEK base ink is
not possible without extensive replacement of ink
system components.
To change inks from one solvent base to another, flush first with the solvent
for the ink in the printer, then flush with the solvent for the replacement ink.
If the change is from MEK base to water base, ethanol solvent must be
used as an intermediate step. The ink base changes and the solvents used
in the flushing sequence are given in the table.
(1) Flush the ink system following steps (1) to (12) in the procedure given
above (page 3-12), using solvent with the same base as the ink in the
printer (First Flushing Sequence - see table below).
(2) Clean the container - see step (8) - and change the solvent to the
type given in the Second Flushing Sequence column in the table
below.
(3) Repeat steps (9) to (15) of the procedure given above.
KEY: 6000 Wash, Water (Old No: Type F)
1100 Wash, Alcohol (Old No: Type K)
1000 Wash, MEK (Old No: Type A)
Flushing Procedures
Change
From
Change To
1st Flush
Sequence
2nd Flush
Sequence
6000 1100 6000 1100
1100 6000 1100 6000
1100 1000 1100 1000
1000 1100 1000 1100
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