SATO CG412 User Guide

Section 5: Cleaning and Maintenance

Page 5-3

Locate the I-Mark sensor and Gap sensor on the left 
Media guide. 

Dab a cotton cloth with the same cleaning solution. Clean 

any foreign matter from the exposed surface of the media 
guides and sensor. Insert the cotton cloth in the slot of the 
media guide and briskly clean it with a back and forth 
motion.

Repeat the whole cleaning process when it is necessary. 

The platen roller should be cleaned whenever foreign 
matter, such as dust or adhesive, is present.

If certain stains on the print head cannot be removed easily with cotton swabs dabbed in cleaning solution, the 
cleaning sheet is used for clearing such stubborn debris on the print head.

Make sure the printer is powered off and remove the power cable.

Lift the Top Cover.

Remove the media and the ribbon.

Place the head cleaning sheet between the print head 
and the platen roller. The coarse side of the cleaning 
sheet should face the surface of the print head 
elements. 

Close the top cover with approximately 25mm (1 inch) 
of the cleaning sheet extended out of the printer.

Using both hands, slowly pull the exposed cleaning 
sheet outwards. This will remove any dirt stuck to the 
print head. 

When the cleaning sheet has been removed, perform 
steps 2 to 6 to repeat the cleaning procedure one or two 
more times. 

When no more additional dirt appears on the cleaning 
sheet after it has been pulled out, you can stop cleaning 
with the sheet.

Use the cleaning pen from the cleaning kit or use a cotton swab moistened with head cleaner to gently 
remove any remaining dirt from the print head.

I-Mark and Gap 
sensor is 
underneath the 
media guide

Media guide