SATO CL4NX Operator's Manual page 219

6
Press the print head down until you lock
the head lock lever in place.
7
Using two hands, pull the cleaning
sheet away from the printer.
8
After you pull out the cleaning sheet,
repeat steps 4 through 6, two or three
more times.
When no more dirt appears on the cleaning sheet
after you have pulled it out, stop repeating these
steps.
9
Push the head lock lever  towards the
rear to unlock the print head.
10
Use a cleaning pen  to clean the dirt
on the print head.
5 Cleaning and Performing Printer Adjustments
3
CL4NX/CL6NX Operator Manual
1
217