Check Confirmation Window No Longer Appearing (2005A SP01)

Question

Hello,
What changes in either Document Settings or Print Preferences or Checks for Payment PLD would result in the Check Confirmation screen no longer appearing after the printing of Checks for Payment?  We have tested all of the layouts, including the system default layouts, for checks, and now none of them will result in the Check Confirmation screen. 
The payment is created using the Outgoing Payment screen, and the check is printed using Document Printing.  Worked until about a week ago.  Checks still print with the correct numbers, but by default are now confirmed in the system, and there is no way to report a damaged check.
Thank you,
Mimi

Answer 1

All,
Thanks for the suggestions.  However, the Print on Blank Paper boxed is unchecked on the Check for Payments window.  The Printing Preferences settings is not set for blank paper checks or overflow.  The Paper Type in the House Bank Account is set to Default. 
They have changed the check form with PLD (moved fields around but allegedly have not added or deleted fields) and have reduced the maximum lines in Print Preferences to 12.  However, regardless of what form they use, the confirmation still won't show up.
I'm still stuck.  They have a playground company which mirrors their data as of 5/01 and the check confirmation works there, so they've changed something in the production company that has disabled the confirmation.
Thanks,
Mimi