Operator`s manual
I-Class  75 
5.6 Maintenance  
The following list and table detail the recommended items, techniques, and schedules to 
help you safely and effectively maintain the printer: 
•  Isopropyl alcohol 
•  Cotton swabs 
•  A clean, lint-free cloth 
•  Soft-bristle brush 
•  Soapy water/mild detergent 
•  Compressed air 
•  Printhead Cleaning Cards or Printhead Cleaning Film 
CAUTION 
For your safety and to avoid damage, always turn OFF and unplug the 
printer before cleaning. Also, take proper precautions when using isopropyl 
alcohol – a flammable liquid. 
Recommended Cleaning Schedule* 
Area / Item(s)  Interval**  Method / Supplies 
Printhead 
Thermal transfer media – after each 
roll of ribbon; and, 
Direct thermal media – after each 
roll of media, or as needed. 
Isopropyl alcohol; and, if 
necessary, Printhead Cleaning 
Cards or Printhead Cleaning 
Film (see Section 5.6.1). 
Rollers 
After each roll of labels, after each 
roll of ribbon, or as needed. 
Cotton swab dampened with 
isopropyl alcohol (see Section 
5.6.2). 
Media Path & 
Media Sensor 
As needed, based on a weekly visual 
inspection. 
Compressed air or a soft 
brush. Isopropyl alcohol, as 
needed. 
Exterior Surfaces  As needed. 
Mild detergent (see Section 
5.6.3). 
Interior Surfaces  As needed. 
Soft-brush or compressed air. 
Remove all buildup. See 
Section 5.6.3. 
*For optional equipment, refer to the documentation that accompanied the item(s). 
**Whichever interval comes first. 










