Figure 1-35 Loop Control - HP LaserJet Enterprise 700 M712 series Handbuch Zur Fehlerbehebung

The DC controller detects the loop amount by monitoring the loop sensor and controls the rotational
speed of the fuser motor.
Figure 1-35
Fuser film/Pressure roller rotates slower than photosensitive drum/transfer roller.
Fuser film/Pressure roller rotates faster than photosensitive drum/transfer roller.
ENWW
Loop control
M3 Fuser motor
Fuser film
Pressure roller
DC controller
Drum motor M1
Paper
Loop sensor lever
SR6
Loop sensor
Pickup, feed, and delivery system
Photosensitive
drum
Transfer roller
45