Basic WML not working in ZT410

sir,

We are trying to do basic WML screen in ZT410 priter but it is not showing results are required.

! CISDFCRC16

0000

INDEX.WML

0000004E

0000

<wml>

<display>

<card>

<p>Hello World!!</p>

</card>

</display>

</wml>

the same file we sent through USB and the same is shown in E: as INDEX.WML but when we re boot the printer it does not show required data as requested.

Our primary intention is to show support mail address on screen with toll free number for printer call log process.