- Do proper pressure not too much tight
- Heating with tumbler inside (can be any defective tumblers)
- Clean the tumbler well before you stick the paper
- Wrap extra protective paper in case of ink come out
- Use same shape of heater as the tumblers
- Use the same length of heater as the tumblers
- Temp set in 356F, then test the proper time
- Do not pull on the cable, hold the metal cover to move
- Handle closed to loose the screws then slide out to change a new heater
- Always be careful and wearing heat resistant gloves
- Do not change the default data, short press set button is ok
- It’s ok not to follow all the tips, for your reference only