Vf31 bulkprinting but multiple press printing button

Dear Gurus,

I have configure the vf31 and its work fine, but i have only following issue.

if i select 10 invoicing for printing system give the popup window where i have to press print button 10 time, as per other threads i have done all the setting, even in spad mark the check of "no device selection at front end" in access method, but even the problem is not resolve.

looking for the gurus feedback, i am stuck here in this position.

regards,

imran khan