Service manual

FIXING UNIT
2-O-2
2 UNIT EXPLANATION
[2] Mechanisms
Mechanism Method
Fixing Pressure + heat roller
*1 Heat source Heater lamp (fixing upper roller (two lamps), Fixing heat roller (one lamp))
*2 Cleaning Upper roller: Cleaning web (with silicon oil)
Fixing heat roller: Scraper
Upper roller Aluminum + PFA coating (black)
Lower roller Silicon rubber (black) + PFA tube
*3 Fixing heat roller Aluminum + PTFE coating
Separation Separation claws (6 upper and 2 lower claws)
Temperature detection Upper roller:
- Noncontact type thermistor (for control) TH1
- Contact type thermistor (for fault detection) TH2
Fixing heat roller:
- Noncontact type thermistor (for control) TH3
- Contact type thermistor (for fault detection) TH4
Overheating prevention Noncontact type thermostat
(Upper roller (one), fixing heat roller (one))
*4 Fixing roller (pressure) release Pressure release cam, spring
*5 Jam detection Actuator + Photosensor
*6 Thick paper conveyance Thick paper conveyance auxiliary plate (movable) + Fixing guide solenoid
(SD3)
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