3 
 
9.10 Hardware Monitoring ............................................................................................ 95 
10. Servicing ...................................................................................................................... 102 
10.1 Cleaning .............................................................................................................. 102 
10.2 Calibration .......................................................................................................... 103 
10.3 Replacement steps .............................................................................................. 104 
11. Appendix ..................................................................................................................... 117 
11.1 Responsibility for the Pay Service(Cost to Customers) ........................................... 117 
11.2 Recycle Mark ...................................................................................................... 118