Chapter 12. When Warning or Fault Occurs 
12-15 
Action to be taken in event of printing failure (continued) 
*1: See the Technical Manual. 
Printing failure 
description (symptom) 
The character height has 
changed. 
The distance between the print 
head and print target has 
changed. 
●  Adjust the distance between 
the print head and print 
target. 
Ink or foreign matter is attached 
to the charge or deflection 
electrode. 
●  Clean the charge or 
deflection electrode. 
Ink or a foreign matter is 
attached to the ink ejection port. 
●  Remove the ink or foreign 
matter. 
The nozzle is a little clogged. 
The ink pressure has changed. 
●  Adjust the ink pressure to 
the standard value. 
The ink has deteriorated. 
The characters are out of 
order. 
Water or oil is attached to the 
surface of the print target. 
●  Make sure that nothing is 
attached to the print target 
before printing. 
The ink pressure has changed. 
●  Adjust the ink pressure to 
the standard value. 
Ink or foreign matter is attached 
to the charge or deflection 
electrode. 
●  Clean the charge or 
deflection electrode. 
The nozzle is a little clogged. 
The ink has deteriorated. 
The excitation V-ref. value is 
inappropriate. 
●  Adjust the excitation V-ref. 
value.