Please note that only the following cartridges will be accepted towards Phone Challenge.

Canon BX3
Canon CL41
Canon CL51
Canon CL52
Canon PG40
Canon PG50
Dell A920B
Dell A920C
Dell JF333
Dell M4646
Dell T0529
Hewlett Packard 110A
Hewlett Packard 22A
Hewlett Packard 28A
Hewlett Packard 336A
Hewlett Packard 337A
Hewlett Packard 338A
Hewlett Packard 342A
Hewlett Packard 343A
Hewlett Packard 344A
Hewlett Packard 348A
Hewlett Packard 350
Hewlett Packard 350XL
Hewlett Packard 351
Hewlett Packard 351XL
Hewlett Packard 57A
Lexmark 0002
Lexmark 0003
Lexmark 10N0016
Lexmark 10N0026
Lexmark 18C0032
Lexmark 18C0033
Lexmark 18C0034
Lexmark 18C0035
Lexmark 18L0042
Samsung M40