Roland Hi-Fi Express FP-740 User Manual page 46

2-3 Starting Printing
How to Perform Cleaning
When a printing test reveals dot drop-out or the like, perform cleaning for just the head that is incapable of correct
printing. Compared with performing cleaning for all heads, this can reduce the amount of ink consumed.
Procedure
CLEANING
NORMAL CL.
NORMAL CL.
A B C D
NORMAL CL.
A C D
CLEANING...
>>
NORMAL CL.
A C D
W 1839 mm
SETUP SHEET
Perform a printing test again to make sure the dot drop-out has been corrected.
If the problem persists, try performing cleaning a second time.
If the problem doesn't go away even after performing cleaning two or three times, then try cleaning using a
different method.
p 54 "When Head Cleaning Is Not Effective"
When you want to clean all heads simultaneously
Hold down
44 Chapter 2 Operation
Press
Press
Use
cleaned.
Use
Repeat this procedure to display the groups of only the heads that
require cleaning.
Cleaning is performed only for the heads whose groups are displayed.
)
Group A
Press
Cleaning starts.
When it finishes, the screen shown in the figure appears again.
Press
Press
for one second or longer. Cleaning for all heads starts automatically.
.
.
to choose the group of a head that is not to be
to get rid of the group display.
* + ,
Group B Group C Group D
Printing-test results
.
.
to go back to the original screen.