SATO GY412 Operator's Manual page 150

Section 5: Cleaning and Maintenance
5.2 HOW TO CLEAN THE PRINTER (CLEANING KIT) (cont'd)
15.
Locate the I-mark sensor window. It is facing up underneath the paper path, toward the left side of the
printer, when you are facing the front of the printer. Using a wet swab, clean the surface of the sensor.
(1) This is the I-mark sensor window.
(2) This is the gap sensor window.
16.
Locate the gap sensor window. It is the small, circular window facing up underneath the paper path, in
the center of the printer, next to the I-mark sensor window.
17.
Partly close the top cover. Locate the label guide on the rear of the printer. Using the same supplies,
clean all parts of the label guide. If the label guide is very dirty, or if adhesive is on the guide, you may need
to use a soft cotton cloth to clean it. Apply some isopropyl alcohol to the cloth. If necessary, from the rear of
the printer, gently insert one end of the cloth in the slot of the label guide, and, with the top cover partly
open, with the other hand, grasp the tip of the cloth. Briskly clean the inside surfaces of the guide with a
back and forth motion.
18.
Repeat the whole cleaning process when it is necessary. The label guide, the platen and other rollers
should be cleaned whenever foreign matter, such as dust or adhesive, is present.
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GY412 Operator Manual