Paper Feed Motor Drive Block - Panasonic KX-P1180 Service Manual

KX-P1180
Pulse Rate Chart
The relation between the printing mode and the pulse rate is shown in the chart.
Printing Mode Pulse Rate (PPS)
640 Dots image
15 cpi N.L.Q
17 cpi N.L.Q
8.2.6 Paper Feed Motor Drive Block
as a result. The exciting method by LFA, LFB is 2-2 driving system and the pulse rate is 475 pulse per
second. When paper feed is not done, Q13 is turned off because of LFA, LFB H level signal and a holding
voltage (about 2V) is supplied to the motor through R64 and R65.
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During paper feed, the CPU sets PBO at the H level and turns on Q12 and Q13.
+30V is fed to the motor
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Timing Chart