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2.18 Expiration date management of ink and makeup 
   1.Overview 
 When the ink or makeup bottle which passed the expiration date were to be opened for 
 use, or when the ink or makeup passed estimated replacement time after opening or 
 recommended expiration date 
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, fault of “Ink Shelf Life Information” or “Makeup Shelf Life 
 Information” is output to encourage the customer to replace the ink or makeup using   
 ink bottle or makeup bottle which is unopened and within expiration date.   
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recommended expiration date・・・a value calculated from addition of year and month of     
 manufacture of ink or makeup, expiration date and estimated replacement time   
 after opening. Estimated replacement time is uniformly 6 months as for this specification. 
 
   2.Manner of operation 
     (1) Setup of expiration date management 
    Open the Unit information screen on Maintenance menu in service personnel   
   maintenance mode. If the setup item on the screen “Expiration date management of ink 
   and makeup” is set to “Enable”, expiration date management of ink and makeup is 
performed. If set to “Disable”, expiration date management of ink and makeup is not   
 performed.    Default is set to “Disable”. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Example of “Unit information screen”