When Normal Cleaning Is Not Effective; Medium Cleaning Method - Roland TrueVIS VG2-640 Regular Maintenance Manual

When Normal Cleaning Is Not Effective

Medium Cleaning Method

The print heads are important components that discharge ink. They require periodic and appropri-
ate maintenance. When problems such as dot drop-out are not resolved by normal cleaning (
"Printing Tests and Normal Cleaning"
from the print heads.
IM P O RTAN T
Medium cleaning consumes more ink than normal cleaning, and overly frequent use may dam-
age the print heads themselves. Avoid performing this operation more than necessary.
Procedure
Load the media.
A
Press [FUNCTION].
B
Press [ ], then [ ] to display the screen shown below.
C
CLEANING
TEST PRINT
Press [ENTER].
D
A test pattern is printed.
Press [ ] several times to display the screen shown below.
E
CLEANING
MEDIUM CL.
Press [ ] to display the screen shown below.
F
MEDIUM CL.
AB
Check for the group with dot drop-out or dot displacement by viewing the results of
G
the printing test.
The space from "A" to "B" is group A. The space from "B" to the right side is group B.
18
2.Regular Maintenance
), perform the more forceful "medium cleaning" to remove clogging
P. 15