9-12 ●Remedial action to be taken in the event of a printing failure
No.
Printing failure
description
(phenomenon) 
Probable cause Solution Reference
4
Disordered 
characters
There are water, oil, or other 
deposits on the print target 
surface.
● Make prints with the print 
target clear of deposits.
-
The ink pressure has changed.
● Adjust the ink pressure for 
the standard value.
6.10 (*1)
Ink and foreign matter are 
stuck to the charge and 
deflection electrodes.
● Clean the charge and 
   deflection electrodes.
3.1.2
The flow within the nozzle is 
restricted.
● Backwash the nozzle. 6.4 (*1)
The ink has deteriorated. ● Replace the ink. 6.3 (*1)
The excitation V-ref. value is 
improper.
● Adjust the excitation V-ref.. 6.11 (*1)