8.4 THERMAL PAPER TAKE-UP DEVICE
Take into consideration the following items when designing the thermal paper take-up device.
1) After printing, the paper must be taken up without being pulled taut.
2) Even when paper guides have attached as shown below, if the thermal paper is pulled taut, correct
contact between the thermal head and the thermal paper can not be obtained and printing will be
adversely affected.
<Improper thermal paper take-up device>
θ
Thermal paper take-up roller
Paper cutter
Paper
guide
Platen
Thermal print head
Paper inlet
<Proper thermal paper take-up device>
θ
Thermal paper take-up roller
SW1
Paper cutter
Paper
guide
SW2
Thermal print head
Platen
Paper inlet
Take-up roller operates when SW2 is ON.
Take-up roller stops when SW1 is ON.
8-6
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