Fixing belt tends to be displaced during the drive. During the drive of the fixing belt, fixing belt position is always detected to control its location to be in the center.
M35
J3314
1 2 3 4 5 6
[1] Fixing roller
[2] Fixing belt
[3] Steering roller
[4] Swing arm
[5] Sensor arm
M35: Fixing belt displacement control motor
UN4: Fixing driver PCB
PS60
GND
FIX_BELT_HP_SNS
+5R
GND
FIX_BELT_SNS1
UN4
+5R
GND
FIX_BELT_SNS2
+5R
J3301B
PS59: Fixing belt displacement control sensor (front)
PS60: Fixing belt displacement control HP sensor
PS62: Fixing belt displacement control sensor (rear)
FIX_BELT_HP_SNS: Fixing belt HP detecting signal
FIX_BELT_SNS1: Fixing belt displacement (front side) detecting signal
FIX_BELT_SNS2: Fixing belt displacement (rear side) detecting signal