Cleaning The Printing Heads - Roland SJ-740 User Manual

4-1 Cleaning the Printing Heads

Switching on the sub power automatically performs maintenance operations, including cleaning of the printing head.
This means that there is normally no need to perform cleaning otherwise. If drop-out occurs with printed images, clean
the printing head.
Cleaning the Printing Heads
Load media for printing-test use.
1
Press the [CLEANING] key, and press the [
2
key to select the printing-head group to clean.
Press the [ENTER] key to start head cleaning.
Also, holding down the [CLEANING] key for at
least one second starts head cleaning for all
heads.
Printing-head Groups
A Group : Black, Cyan
B Group : Magenta, Yellow
C Group : Light cyan, Light magenta
3 After head cleaning has ended, holding down
the [TEST PRINT] key for one second or longer
starts a printing test.
Refer to "2-3 Printing -- Performing a Printing
4
Test" and check the printing-test results.
If a problem is found, repeat the cleaning.
Chapter 4 - Maintenance
62
]
CLEANING
HEAD CLEANING
A GROUP
ENTER