Navigate to Transactions > Management > Print Checks and Forms > Packing Slips and Return Forms > Print a Packing Slip for a specific Sales Order (or Print from an Item Fulfillment transaction) > Blank Page is printed
Troubleshooting Steps:
1. Navigate to Transactions > Sales > Enter Sales Orders > List > View concerned Sales Order transaction > Items tab> Create PO column > See if there is Drop Shipment PO transaction created
2. If there is a Drop Shipment PO transaction associated with the Sales Order, to resolve the problem, navigate to Setup > Accounting > Preferences > Accounting Preferences > Order Management tab > Tick the checkbox for SHOW DROP SHIP ITEMS ON PACKING SLIPS (Set as =T)