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CLEANING THE SENSORS CL408e and CL412e
There are two sensors that are used to control the positioning of the label. One is a
transmissive see-thru sensor that detects the edge of the label by looking through the
backing paper which is translucent and detecting the presence of the opaque label.
The other is a reflective sensor that detects the light reflected from the bottom of the
label liner. When a printed black Eye-Mark passes through the beam, the light is no
longer reflected back to the sensor detector, indicating to the printer that it should
use this position as the start of a new label. When dust, dirt or other foreign matter
interferes with the light path of either of these sensors, the results is erratic label
positioning. These sensors should be cleaned regularly, at least every two rolls of
labels.
Supplies Needed: SATO SA070 Cleaning Kit
1. Turn the printer off and remove
the power cable.
2. Open the label Top Access
Door.
3. Open the Print Head Assembly
by rotating the green Head Latch
counter-clockwise. The Print
Head Assembly is spring-loaded
and will automatically open as
soon as the Head Latch is
disengaged.
4. Apply SATO Thermal Print Head Cleaner to one of the cotton swabs.
5. Insert the cotton swab between the top and bottom pieces of the Sensor Unit
and move back and forth to clean any foreign matter from the exposed surface of
the sensors.
REPLACING THE FUSE CL408e and CL412e
Supplies needed: 250V 3A Fuse
1. Turn the printer power off and remove the power cable..
2. On the back of the printer, locate the Fuse Cap directly above the AC connector.
3. Unscrew the cap and remove the defective fuse.
4. Replace with a new 250V 3A fuse.
5. Screw the cap back onto the printer and replace the power cord.
SATO CL Series “e” Printers 9001074 Rev. B Page 4-9
Section 3: Cleaning and Maintenance
Label Sensor Unit