Weaknesses / Limitations: The GBC Heatseal H312 is the highest level laminator that GBC makes that does not accept 7mil and 10mil laminating pouches. The H312 boasts carrier free and jam free lamination. The H312 has a variable control that allows you to adjust the temperature of the machine. User guide • Read online or download PDF • GBC H312 HeatSeal User Manual • GBC Equipment. Recent Gbc 1702760 - Heatseal H212 Laminator questions, problems & answers. I have a Heat Seal H312 that was working Monday but today went to turn it on and is not turning on/powering I am looking for an operation manual for gbc. GBC Connect, Manuals, Misplaced your product manual? No problem. Simply locate your machine in the following list and click to view or download the product 5 Dec 2010 GBC HeatSeal H312 Office Appliances Laminator download pdf instruction manual and user guide. Page 1 HeatSeal H212/H312 with SureFlow Technology ™ Instruction Manual Manuel d'utilisation Bedienungsanleitung Manuale d'istruzioni GBC® EZUse™ Thermal Laminating Pouches, Menu Size, 5 Mil, 11 1/2" x 17 1/2", The HeatSeal H312 laminates items up to 12 1/2" including menus, letters,Follow all warnings and instructions marked on the unit. GBC HeatSeal H312 6 Position the document to be laminated into a GBC laminating pouch,. Search among more than 1.000.000 user manuals and view them online in .pdf. GBC HeatSeal H312 Laminator Overview The A3 'Standard'. SureFlow