Hitachi UX2 - 12.4. Action to be Taken in Event of Printing Failure

Chapter 12. When Warning or Fault Occurs
12-14
12.4. Action to be Taken in Event of Printing Failure
● If a printing failure occurs, take action appropriate to the symptom according to the solution table below.
● If the action does not solve the problem, the board or circulation system may be faulty.
Contact your nearest local distributor.
Action to be taken in event of printing failure
*1: See the Technical Manual.
No.
Printing failure
description (symptom)
Cause
Solution
Reference
1
Some print dots are
missing.
(minus deflection electrode
side)
Ink or foreign matter is attached
to the gutter.
● Clean the gutter.
● Replace the recovery filter.
5.6. (*1)
5.8. (*1)
Ink or foreign matter is attached
to the charge or deflection
electrode.
● Clean the charge or
deflection electrode.
5.6. (*1)
Ink or a foreign matter is
attached to the ink ejection port.
● Remove the ink or foreign
matter.
–
The ink stream is positioned
incorrectly
● Adjust the ink stream.
5.5. (*1)
The ink pressure is high.
● Adjust the ink pressure to
the standard value.
5.9. (*1)
The ink has deteriorated.
● Replace the ink.
5.3. (*1)
2
Some print dots are
missing.
(plus deflection electrode
side)
Ink or foreign matter is attached
to the charge or deflection
electrode.
● Clean the charge or
deflection electrode.
5.6. (*1)
Ink or a foreign matter is
attached to the ink ejection port.
● Remove the ink or foreign
matter.
-
The nozzle is a little clogged.
● Backwash the nozzle.
5.4.1. (*1)
The character height is large.
● Set a smaller character
height.
5.8.1.
The ink pressure is low.
● Adjust the ink pressure to
the standard value.
5.9. (*1)
The ink has deteriorated.
● Replace the ink.
5.3. (*1)
(Continue to next page)
Deflection
direction

Deflection
 Missing