... offer the chips for Mimaki/Mutoh/Roland,we have the one time chips, also have the permanent chips.4. It is ... easy for the refill, you can refill it with the bulk ink easily.The models we can offer the ... , FJ-600 ,FJ-400, SJ-640/740. 440ml refillable cartridges with one time chips or permanent chips for Mimaki/Roland/Mutoh