Fixing Unit; Composition; Mechanisms - Konica Minolta 7155 Service Manual

FIXING UNIT

[1] Composition

Fixing claw unit (upper)
Fixing unit cover (upper)
Pressure release lever

[2] Mechanisms

Mechanism
Fixing
Heat source *1
Cleaning *2
Upper roller
Lower roller
Separation
Temperature detection
Overheat protection
Neutralizing
Pressure release
Exit path selection
Decurler *3
Jam detection *4
Cleaning web wind-up shaft
Pressure roller Cleaning web unwinding shaft
Fixing claw (upper)
Restriction shaft
Fixing claw (lower)
Exit roller
Reverse/exit selection gate
Decurler roller
Pressure + Heat roller
Heater lamp(Upper rollers: Two, Lower roller: One)
Upper roller: Cleaning web (containing silicon oil)
Aluminum + Teflon coating
Silicon rubber + PFA tube
Separation claws (six upper and three lower claws)
Upper roller: - Noncontact type thermistor (for control) TH1
- Contact type thermistor (for fault detection) TH2
Upper roller: - Noncontact type thermostat (for fault detec-
tion) TS1
Lower roller: - Noncontact type thermostat (for fault detec-
tion) TS2
Neutralizing brush
Pressure release shaft and spring
Reverse/exit selection gate
Decurler roller + Restriction shaft
Jam detection plate + Actuator + Photosensor
2-O-1
Fixing heater lamp/2 (L3)
Cleaning web
Fixing roller (upper)
Fixing heater lamp/1 (L2)
Fixing heater lamp/3
(L4)
Fixing roller (lower)
Method
FIXING UNIT