交換の目安：約3年対応機種CS-224GBCS-224VBCS-224XV6CS-224ZBCS-224ZV6CS-22KCGCS-22RCGCS-22RCZCS-254GBCS-254VBCS-254XV6CS-254ZBCS-254ZV6CS-25BCZCS-25KCGCS-25RCGCS-25RCZCS-284AUCS-284AUPCS-284GBCS-284GB2CS-284VBCS-284VB2CS-284XV6CS-284ZV6CS-28KCGCS-28RCGCS-28RCZCS-364VB2CS-404AUCS-404AUPCS-404GB2CS-404VB2CS-404X2V6CS-40KCG2CS-40RCG2CS-504GB2CS-504VB2CS-504X2V6CS-50RCG2CS-G224ACS-G254ACS-G284ACS-G284A2CS-G404A2CS-G504A2CS-Z224ACS-Z254ACS-Z284ACS-Z404A2