Konica Minolta magicolor 2480MF Service Manual page 71

13. Image Transfer Section
(2) Operation timing
When power is turned ON:
Main Motor (M1)
Pressure/Retraction Solenoid
/Cleaning Blade (SL3)
Retraction Position Sensor
/Cleaning Blade (PC6)
During print cycle:
Main Motor (M1)
Pressure/Retraction Solenoid
/Cleaning Blade (SL3)
Retraction Position Sensor
/Cleaning Blade (PC6)
(3) Retraction sequence
1. Drive from the Main Motor (M1) is transmitted to the drive gear.
2. Rotation of the drive gear is transmitted to the pressure cam.
3. When the Pressure/Retraction Solenoid /Cleaning Blade (SD3) is energized, the
half-moon-shaped pressure cam rotates a half turn to push the lever forward.
4. When the lever is pushed forward, the Cleaning Blade is retracted.
5. When the Cleaning Blade is retracted, it results in the Cleaning Blade being
retracted from the Transfer Belt.
6. During this time, the Retraction Position Sensor /Cleaning Blade (PS6) detects
whether or not the Cleaning Blade is retracted from the Transfer Belt.
40
Theory of Operation Ver. 1.0 Nov. 2005
SL3 Energization Signal (after Main Motor has been energized)
To pressed position
Y-TOD (CD Print Start signal for yellow)
To retracted position
Pressure Cam
K print completed
To pressed position
4139to2076e0
Lever
4139to2077e0