Preventive Maintenance

None

None

None

 

 

 

 

MTTF (Power on hours)

300,000

300,000

300,000

 

 

 

 

Product Life

5 years or 20,000 power

5 years or 20,000 power

5 years or 20,000 power

 

ON hours

ON hours

ON hours

 

 

 

 

32

Chapter 1

Page 38
Image 38
Acer 4020 manual Preventive Maintenance