90   A-Class 
 
5.5 Maintenance Schedule 
This section details the recommended maintenance supplies, schedules, and methods. 
 
Supplies 
 
The following items will help safely and effectively clean the printer: 
 
 Isopropyl alcohol 
 Cotton swabs 
 A clean, lint-free cloth 
 Soft-bristle brush 
 Soapy water and a mild detergent 
  Compressed air  
  Printhead Cleaning Cards or Cleaning Film 
 
Schedule 
 
The following table details the recommended cleaning schedules for various printer parts.  
 
 
 
For your safety and to avoid damaging the printer, turn OFF and unplug the 
printer before cleaning. Always take proper precautions when using 
isopropyl alcohol, a flammable liquid. 
 
Recommended Maintenance Schedule 
Area / Item(s)  Cleaning Interval *  Method / Supplies 
Exterior 
Surfaces 
As needed, based on a weekly 
visual inspection. 
Mild detergent; see Section 5.5.5. 
Media Path / 
Media Sensor / 
Peel Bar 
As needed, based on a weekly 
visual inspection. 
Compressed air or a soft brush and 
isopropyl alcohol, as needed; see 
Section 5.5.4. 
Peel Assembly  
After each roll of labels, after 
each roll of ribbon, or as needed. 
Cotton swab dampened with 
isopropyl alcohol; see Section 5.5.3. 
Printhead 
•  Thermal transfer media – 
  after each roll of ribbon.  
 
•  Direct thermal media – after 
  each roll of media, or as 
 needed. 
Cotton swab dampened with 
isopropyl alcohol and, if necessary, 
Cleaning Cards or Film; see Section 
5.5.1. 
Rollers 
After each roll of labels, after 
each roll of ribbon, or as needed. 
Cotton swab dampened with 
isopropyl alcohol; see Section 5.5.2. 
* Whichever interval occurs first.