For  Canon  IV series:

1. PGI 250PGBK,CLI 251BK/C/M/Y: MG5420(M,BK,Y,PGBK,C),MG6320,MX722,MX922,iP7220
    CLI 251GY: MG6320.

2.  PGI 350PGBK,CLI 351BK/C/M/Y:  MG5430(M,BK,Y,PGBK,C),MG6330,iP7230

      CLI 351GY: MG6330(BK,GY,Y,PGBK,C,M).

3.  PGI 450PGBK,CLI 451BK/C/M/Y:  MX924/MG5440/MG6340/IP7240

      CLI 451GY: MG6340.

4. PGI 550PGBK,CLI 551BK/C/M/Y:   MX925/MG5450/MG6350/IP7250

      CLI 551GY: MG6350.

5. PGI 650PGBK,CLI 651BK/C/M/Y:   MX726/MX926/MG5460/MG6360/Ip7260 

     CLI 651GY: MG6360.

6. PGI 750PGBK,CLI 751BK/C/M/Y:   MG5470/MG6370/MX727/MX927/iP7270

     CLI 751GY: MG6370.
7. PGI 850PGBK,CLI 851BK/C/M/Y:  MG5480/MG6380/Ip7280/MX728/MX928

     CLI 851GY: MG6380.