Samsung SCX-6555N - Page 36

Product spec and feature
Service Manual
2-23
Samsung Electronics
2.2.2.3 Drive Ass’y
■ Main Motor
Ⅰ
is for Pick-up, MPF and Registration
■ Main Motor
Ⅱ
is for OPC rotation
■ Toner Motor is for Toner feeding
■ Fuser Motor is for Fuser and Exit roller
■ Duplex Motor is for Duplex feeding
■ Exit Motor is for stable stacking
2.2.2.4 Fuser Ass’y
■ Fusing Type : [Dual Lamp Heating, 750W/650W]
■ Heat Roller :[ø40 electrically nonconductive]
■ Pressure Roller : [ø50 electrically conductive]
■ Thermistor – Temperature Detecting Sensor
non-contact thermistor 1EA, contact thermistor 2EA
■ Thermostat – Overheat Protection Device
■ Fuser Bias : 350V on the P/R tube
Trouble Temperature Control concept
Open Heat Error 80
℃
below for 15 sec after power on.
Over Heat Error
(Fuser High Error)
225
℃
over for 3 sec.
Low Heat Error
(Fuser Low Error)
10
℃
below than target Temp. for 20 sec.
Toner Motor
Main Motor
Ⅱ
Fuser Motor
Exit Motor
Duplex Motor
Main Motor
Ⅰ
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA