VMS IMPERIAL DOCUMENT BINDING COVER (A4 210 x 297 mm : 5 pcs/pack ) Perfect Binding Solution for Office Document , Business Plan , Catalogue , Written Report , Sale Contract , Financial Voucher , Menu.... How to bind documents??? Switch on the power to the machine. The red indicator will light up , indicating the pre-heating has been activated. Pre-heating is completed in 3 minutes when the green indicator lights up with buzzing sound. Place the required documents neatly together in the document cover. Insert this fully into the heating slot of the machine. The yellow indicator will light up with a buzzing sound. After 90 seconds, the green indicator will light up again with a buzzing sound when the binding action is done. Take out the documents with the cover from the heating slot and check the sheets are aligned properly. Press the cover spine firmly ensuring the documents are glued together well. Place the document with the cover in the cooling rack for 3-5 minutes till it is sufficiently cooled. The Binding is now completed.