ON6DV

I put already a hol new drive in the mz2000 everthing stays with the same problem , i now the system Drive 1.44mb and 720k that is realy strange i buy a brand new drive en install it in the MZ200 have alreaddy put a second drive(1.44 mb i am verry shoure abaut thess drives i tested the drive in a old computer with windows XP on it and the seeme drive format without problems on 1.44 mbt , it stays the seem problem  ,won's read 1.44 disks only the 720 disks is it all ok in the MZ2000 not the 1.44 disks , 

NORMAL yes ?? , but wow it can not format 1.44 disks only 720 format , i dan't now what heppens ,can it the battery in the casio nyby ?? ik give's always 3 volts , i thenk it is not the battery insite the casio

yes on a computer it works but the MZ2000 don't wan't read 1.44 disks only the 720 kb works on the mz2000 , in the past it works wel on 1.44 disks, i don't now what happen 

Thanks A lot for this file's , sorry my englisch is not do good 

I have still problems MZ2000 do not format my diskettes (1.44 mb) but wil well format the( 720 kb) diskettes , what is the problem ???

thanks aniway for help

help for the MZ2000 diskette's mine are corupt ,i have a lot of problemd who can help my , thanks