HP LaserJet Enterprise M552 - Step 7: Separation; Step 8: Fusing

Step 7: Separation
The stiness of the paper causes it to separate from the ITB as the ITB bends. The static-charge eliminator
removes excess charge from the paper to make sure that the toner fuses correctly.
Figure 1-20 Separation
ITB
Paper
Secondary transfer roller
Static charge eliminator
ITB
Paper
S
econdar
y
trans
f
er roller
S
tatic char
g
e eliminator
Step 8: Fusing
To create the permanent image, the paper passes through heated, pressurized rollers to melt the toner onto
the page. Fusing bias is added to the pressure roller to improve the print quality.
Figure 1-21 Fusing
Paper
Fuser film
Fuser heater
Pressure roller
Fusing bias
38 Chapter 1 Theory of operation ENWW