Samsung SCX-6545N Service Manual page 35

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, 700W/600W]
■ 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
Open Heat Error
Over Heat Error
(Fuser High Error)
Low Heat Error
(Fuser Low Error)
Service Manual
Product spec and feature
80 ℃ below for 15 sec after power on.
225 ℃ over for 3 sec.
10 ℃ below than target Temp. for 20 sec.
2-23
Temperature Control concept
Samsung Electronics