5-13
5.9 Nozzle Orifice Cleaning
1) Detergent to use for an ultrasonic cleaning
2
）
Procedures of the cleaning
The ultrasonic cleaning with the
Weak-Alkali Detergent is effective for
the foreign objects of the nozzle orifice
which it is hard to remove with MEK or
makeup.
[About a Weak-Alkali Detergent]
①
Characteristic of the detergent
Use household Weak-Alkali Detergent
on the market.
(Detergent to clean a
ventilating fan, for example.)
Generally, Detergent on the market is
from 0.2 to 2 volume-% Weak-Alkali
solution.
②
Labeling of articles on the market
(Example)
・
Liquid properties :
[Slightly-Alkaline,
Mildly-Alkaline or Alkalescent]
・
Ingredient :
[Surface Acting Agent]
・
Concentration :[0.2% - 1%]
・
pH :[In the range of pH8
– pH11]
③
Precautions for use
・
In case the liquid concentration is
0.2% - 1%, Use the detergent as it
is, UNDILUTED.
・
In case the liquid concentration is
1% or higher, dilute by approx.
0.2%-1% with water.
・
Follow the PRECAUTIONS FOR USE
and DISPOSAL of the article
purchased.
Nozzle Clogging or Ink Stream Bent occurred.
Problem IS
fixed.
Problem is
NOT fixed.
Remove the orifice plate. (Confirm if any foreign
object is attached by a microscope if available.)
<Procedures of Ultrasonic Cleaning>
(1)
Ultrasonic cleaning
with MEK, or genuine Makeup to
remove ink component and other soluble substances
in solvent.
(2)
Drying
by air blow or leaving it for 3 to 5 minutes to
remove the solvent on the orifice surface.
(3)
Ultrasonic cleaning
with Weak-Alkali Detergent for
30 minutes to remove the foreign objects that cannot
be removed by MEK or Makeup. (See (1) above.)
(4) Ultrasonic cleaning with water (pure water)
*2
for 3
minutes to rinse off Weak-Alkali surface active agent.
(5)
Ultrasonic cleaning
with ethanol for 3 minutes to
remove moisture by dissolving it in ethanol.
(6)
Drying
by air blow or leaving it for 3 to 5 minutes.
Set the orifice plate to the nozzle,
eject Makeup
*1
and confirm the
ink stream position if it is at the
center of the gutter.
Problem is NOT fixed.
Problem IS
fixed.
Problem IS
fixed.
Change the orifice to
the spare part.
Continue operation.
Problem is NOT fixed.
Ejecting ink, confirm the stream
position is almost the same as
that of stream alignment.
Problem is NOT fixed.
Problem IS fixed.
Repeat
<Procedures of ultrasonic
cleaning>
and confirm stream position.
(MAX 2 Times allowed.)
Eject the makeup
*1
and confirm
the ink stream position if it is at
the center of the gutter.
*1 Procedure to eject the makeup.
Execute the Ink stream alignment in the 2nd page of
Circulation control menu.
*2
TH-TYPE A is all right in substitution for pure water.
MEK is impossible of a substitute.
Summary of Contents for IJ RX2
Page 1: ...Service Manual HITACHI Printer Model RX2 Revision Feb 2014 Version A ...
Page 13: ...1 8 2 External views Rear side 1 2 2 Main body internal ...
Page 14: ...1 9 1 2 3 Print head ...
Page 101: ...3 26 Circuit diagram of EZJ127A ...
Page 102: ...3 27 Circuit diagram of EZJ127B ...
Page 116: ...3 41 Circuit diagram of EZJ129 ...
Page 164: ...4 40 5 Reset the time of the R air filter to 0 on the Parts usage time management screen ...
Page 247: ...7 Attached Drawing 7 1 Circulation System Diagram Circulation System Diagram 7 1 ...
Page 249: ...7 3 7 2 2 Electrical Connection Diagram RX2 B Basic model 7 3 ...
