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The printer has 3 bipolar stepper motors to drive the paper transport, the paper cutter and the presenter. The motors are
current-controlled and operated in micro-stepping with 8 steps per full step. The motor currents of the printer can be set
to values between 20 and 100% using parameters. They are already set to optimal values at the factory. The motor current
is speed dependent. At low speeds, a higher current combined with a higher torque is possible. At 250 mm/s the torque is
signicantly lower due to the back EMF.
Parameter 59,3 insert values for forward operation:
[printer current FF in %, cutter current FF in %, presenter current FF in %]
Parameter 59,5 insert values for backward operation:
[printer current BF in %, cutter current BF in %, presenter current BF in %]
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The maximum adjustable current for all motors is 2063 mA peak = 100%
The presenter motor current is xed to 940 mA = 46% peak and can only be changed by manufacturer.
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Drive motor: PM20L-20-ZIG5 13 ohm RMS nominal current: 0.28 A→0.5 A
Cutter motor: PM20L-20-ZIG5 13 ohm RMS nominal current: 0.68 A←0.25 A
Presenter motor: PM20L-20-YIF4A 3 ohm RMS nominal current: 0.5 A
Parameter 59,3 motor forwards currents = [40,80,46]
Parameter 59,5 motor backwards currents = [30,30,46]
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Drive motor: PM20L-20-YIF4A 3 ohm RMS nominal current: 0.6 A 0.8 A→
Cutter motor: PM20L-20-YIF4A 3 ohm RMS nominal current: 1.0 A 0.33 A←
Presenter motor: PM20L-20-YIF4A 3 ohm RMS nominal current: 0.5 A
Parameter 59,3 motor forwards currents = [70,90,46]
Parameter 59,5 motor backwards currents = [40,40,46]
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Drive motor: PM35L-048-ZIKO 7 ohm RMS nominal current: 0.4 A 0.5 A→
Cutter motor: PM35L-048-ZIKO 7 ohm RMS nominal current: 0.75 A 0.4 A←
Presenter motor: PM20L-20-YIF4A 3 ohm RMS nominal current: 0.5 A
Parameter 59,3 motor forwards currents = [45,70,46]
Parameter 59,5 motor backwards currents = [40,50,46]
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