Samsung SCX-5530FN/XAZ Service Manual page 27

3.2.3 Transfer Ass'y
It is consisted of Transfer Roller and spir gear.
The transfer roller delivers the toner of the OPC drum to the paper.
TR Voltage : +1.3KV 5% (based on 200 , in accordance with media area, Transfer table)
-1.20KV
Transfer Efficiency : 85% or more (All envirmnment : preferable media)
Voltage System : Voltage PWM Control System
Transfer Roller
- Hardness : 40 3% (ASKER-C)
- Validlength : 224.2 +0.5/-0mm
- OD : 15.0 0.5mm
- SHAFT Material : SUM -24L + Non-electrolysis Ni. Coating
Life Span : Print over 70,000 sheets (in 15~30 )
3.2.4 Driver Ass'y
3.2.4.1 Motor
Spec : BLDC 62 + PM
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
- PM 55 Motor : 1490/1053 gf.cm = 1.41
- PM 42 Motor: 240/165 gf.cm = 1.45
Driving Frequency : BLDC
- PM 55 Motor : 888.75 rpm(711 pps)
- PM 42 Motor : 1156 .25rpm(1850 pps)
It is a power delivery unit by gearing: BLDC
- PM 55 Motor -> Fuser/Exit
- PM 42 Motor -> Duplex
Samsung Electronics
10% (In cleaning)
55 Motor (2-2 Bipolar) + PM
62 Motor : 1500/1100 gf.cm=1.36
62 Motor: 1342.4 rpm(1006.8 Clock)
62 Motor ->Pickup/Feeder/Developer
42 Motor (2-2 Bipolar)
System Overview
Service Manual
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