Recommended thermal paper rolls for use in GB BATM3 printers:
80mm (3 1/8") width
Paper Thickness: 60-200μm
25mm (1") inner core diameter
Newer EP802 printers feature a blue plastic sleeve on the spindle that can be easily removed to accommodate smaller 12mm (1/2") cores. This means almost any size core can be used with the EP802 thermal printer.
150mm (5.9") diameter roll paper (standard)
permits about 275m (900 feet) of receipts