Product specification and feature
Service Manual
2-13
Samsung Electronics
2.2.2.4 Driver Ass’y
2.2.2.4(a) Motor
Spec : BLDC 62 + PM 55 Motor (2-2 Bipolar) + PM 42 Motor (2-2 Bipolar)
Pull-Out Torque:
BLDC 62 : 1500 gf.cm(based on actual value) or more (1342.4rpm, 1.8A)
PM 55 : 1490gf.cm(based on actual value) or more (711pps, 0.9A)
PM 42 : 240gf.cm(based on actual value) or more (1850pps, 0.6A)
TORQUE MARGIN (Tp/o Tsys) : BLDC 62 Motor : 1500/1100 gf.cm=1.36
PM 55 Motor : 1490/1053 gf.cm = 1.41
PM 42 Motor: 240/165 gf.cm = 1.45
Driving Frequency: BLDC 62 Motor : 1342.4 rpm(1006.8 Clock)
PM 55 Motor : 888.75 rpm(711 pps)
PM 42 Motor : 1156 .25rpm(1850 pps)
It is a power delivery unit by gearing: BLDC 62 Motor -> Pickup/Feeder/Developer
PM 55 Motor -> Fuser/Exit
PM 42 Motor -> Duplex
2.2.2.4(b) Process Speed
Print Speed : 33/35 PPM (based on A4/LTR )
Process Speed : 211.78 mm/sec
Jitter
Vertical : 3 0.018 or less in Vision System
Horizontal : within 2% of partial magnificence error
Orthogonality : SPEC : 1.0 mm or less
2.2.2.4(c) Acoustic Noise
Warming Up : 43dB or less
Printing : 52dB or less
Stand-by : 26dB or less
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