When i formated the key does not work key 3 ,9and 0

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first try to format in command line
Start
go to RUN
Type CMD and press enter key
in command window type format H:/fs:FAT (H: stand for my Pen Drive name change it if you have different)
press enter key
yes to all message appear
now you formatting start

if not so try this: 1000% work
download any low level formatting system and format from that or you need 3rd party formating tools like HP format tool to format RAW to FAT,

if still not work it mean your PEN Drive got Damaged and you have to purchase a new one.

Do vote me if this help you.

Your HDD is having issues. First try to rebuild the databases by holding 0 and 8 while turning on the copier, when the machine comes ready key in 684 then reboot the machine. If this doesn't work you can try formatting the HDD (make sure you backup templates and address book if you use them.) To format HDD hold 0 and 8 while turning on the copier, when the machine comes ready key in 690 and hit start. It will then display "2 2", hit start again. Wait for it to say please reboot the machine, turn it off and back on. Hopefully this will work but if not, your HDD will need replacing.

Label of key [deg symbol ' "]. It is between [(-)] and [hyp]

To enter a value in decimal degrees
12.58 [deg ' "] [=] Screen displays 12.58 deg on top line and 12 deg 34' 48" on bottom line.
Pressing the [deg ' "] key while this value is displayed will show 12.58

To enter a DMS value:

Press the [deg ' "] key after each number even if one of the numbers D,M,S is nill (0).
Exemple Enter 25 deg 0 ' 48"
25 [deg ' "] 0 [deg ' "] 48 [deg ' "] [=]
Screen displays 25 deg 0' 48" on bottom line
Pressing the [deg ' "] key converts this result to decimal degrees 25.013

This showed you how to enter angles in DMS or DD. For the rest 'find the angles, etc.' you should refer to your trigonometry manual: You have the definitions of the trigonometric ratios, the sine law, the cosine law to resolve triangles.

Your HDD is having issues. First try to rebuild the databases by holding 0 and 8 while turning on the copier, when the machine comes ready key in 684 then reboot the machine. If this doesn't work you can try formatting the HDD (make sure you backup templates and address book if you use them.) To format HDD hold 0 and 8 while turning on the copier, when the machine comes ready key in 690 and hit start. It will then display "2 2", hit start again. Wait for it to say please reboot the machine, turn it off and back on. Hopefully this will work but if not, your HDD will need replacing.

You must press and hold the 0 key at startup to access the recovery partition.If it doesn't work,it's possible that hard drive has been upgraded or formatted and recovery partition is corrupted.

Chances are you haven't actually formatted the drive yet. If it hasn't been formatted you may get a code 'C-12CC'. This can be ignored in order to proceed to formatting the drive.

Bring the copier into service mode by first pressing the Utility key. Next, press the 'Counter List' button on the LCD. Now press 'Stop', then 0 and 0 again, 'Stop', then 0 and 1 (sequence: Stop->0->0->Stop->0->1). If the service code hasn't been changed, next enter 00000000 (eight zero's) and press 'Enter'.

Once in service mode press the 'Machine Adjust' button on the LCD screen, then 'Memory/Hard Disk Adjust', then 'Hard Disk Format'. Press 'Physical Format' since this is an initial format of a new drive. Now press the 'Start' key on the copier control panel to start the formatting process. Once the formatting is complete (this could take quite some time so be patient until you get an indication that the process has been completed) recycle the power.

If the format won't work, you may not have the right drive or the drive connected properly. If this is the case you can check the drive's connectivity by going back into service mode (as above), then press 'Machine Adjust', then 'Memory/Hard Disk Adjust' and 'Hard Disk R/W Check'. Press the 'Start' key on the copier control panel to start the check. If all is in order you will get a 'GO' indication at the end of the process. If there is a failure to read or write to the hard drive, you will get a 'NG' (no go) indication.

Hope this helps.

Avanti Model 3020F or 3020H Display telephones
1) Leave the handset on-hook.
2) Press the FEATURE button.
3) Press the PROGRAM soft key.
4) Press TIME soft key.
5) Enter the time in the 24 hour clock format of HHMM. Use a leading 0 for single digit numbers.
6) Enter the date in the format DDMMYY using a leading 0 for single digit numbers.
7) Press SAVE soft key to save the settings.
Note: All 10 digits for the time and date must be entered. You can not skip any steps. To abort the time and date setting process press SPKR at any point before pressing SPD/PROG.
Avanti Model 3015DF or 3015DH Display telephones 1) Leave the handset on-hook.
2) Press the FEATURE button.
3) Press the PROG soft key.
4) Press TIME soft key.
5) Enter the time in the 24 hour clock format of HHMM. Use a leading 0 for single digit numbers.
6) Enter the date in the format DDMMYY using a leading 0 for single digit numbers.
7) Press SAVE soft key to save the settings.
Note: All 10 digits for the time and date must be entered. You can not skip any steps. To abort the time and date setting process press SPKR at any point before pressing SPD/PROG.

If you are using windows xp,Try rebooting while holding down the f8 key.Select last known good configuration,and see if that helps.
If not,consider a re-format