6-59
6.5.2 Chipped print (upper dots)
NOTICE
Do not repeat the nozzle backwash procedure more than two times.
If it is repeated to an excess, the ink becomes thin, thereby
causing disordered prints. If the ink is thin and disordered
prints are encountered, replace the ink.
Missing
dots
Direction of
deflection
Yes
Since it is conceivable that the
ink flow path may be clogged,
clean the ink final filter and
joints, backwash the nozzle,
and disassemble and clean the
nozzle.
No
Chipped print
Adjust the ink stream
position so that the ink
stream is centered with
respect to the gutter.
No
Is the ink stream
positioned at the
center of the gutter?
Yes
Is the ink pressure
lower than the
specified limit?
No
Yes
Is it possible to make
normal prints with the
ink pressure raised
above the specified
limit?
Pour the makeup over
the deflection electrode to
clean it.
Yes
Is there any ink or dirt
buildup on the plus
deflection electrode?
Yes
Yes
No
Is the charge
voltage properly
adjusted?
Adjust the charge voltage.
Adjust the ink
pressure until it is
within the limits.
Can the ink pressure be
adjusted?
No
Yes
Resume the
operation.
Replace the ink.
Can normal
prints be made?
No
Yes
Provide pressure relief and
then replace the pressure-
reducing valve.
Is the ink stream
positioned at the center
of the charge electrode?
No
Adjust the ink
stream position.
No
Содержание IJ UX
Страница 1: ...Service Manual HITACHI Printer Model UX Revision July 1 2015 Version ...
Страница 2: ... Revision of UX service manual Revision Chapter Revised Page Frist Edition ...
Страница 15: ...1 9 2 External views Rear side 1 2 2 Main body internal Appearance with inner cover T removed ...
Страница 16: ...1 10 1 2 3 Print head UX E UX D B Air exhaust port ...
Страница 107: ...3 27 Circuit diagram of EZJ127A ...
Страница 108: ...3 28 Circuit diagram of EZJ127B ...
Страница 122: ...3 42 Circuit diagram of EZJ129 ...
Страница 131: ...3 51 3 3 20 Electrical Connection Diagram ...
Страница 132: ...3 52 ...
Страница 188: ...4 55 5 Reset the time of the R air filter to 0 on the Parts usage time management screen ...
Страница 301: ...7 Attached Drawing 7 1 Circulation System Diagram Circulation System Diagram UX B D 7 1 ...
Страница 302: ...Circulation System Diagram UX E 7 2 ...
Страница 303: ...7 3 Location of Solenoid valve Location of ICU joint Reducing valve Viscometer Pressure sensor Makeup filter Motor Pump ...
Страница 304: ...7 2 Electrical Connection Diagram 7 2 1 Electrical Connection Diagram UX D E 7 4 Electrical Connection Diagram UX D E ...
Страница 305: ...7 5 7 2 2 Electrical Connection Diagram UX B Basic model Electrical Connection Diagram UX B ...
Страница 308: ... Nozzle diameter 65μm 7 8 7 4 Dimensions around charge electrode and deflection electrode ...