Fusing; Fusing Unit Drive - Ricoh G031 Service Manual

IMAGE FUSING

2.6.2 FUSING

[D]
[A]
[C]
[B]
G031D528.WMF
After the image has been transferred, the paper enters the fusing unit. The image
is fused to the paper by applying heat and pressure through the combination of hot
roller [A], the fusing lamp [B], and the pressure roller.
The CPU monitors the hot roller temperature through the fusing thermistor [C] that
is in contact with the hot roller surface. The thermofuse [D] protects the fusing unit
from overheating.

2.6.3 FUSING UNIT DRIVE

[B]
[A]
G031D529.WMF
The main motor drives the hot roller [A] through a train of gears.
The hot roller drives the exit roller [B] through a gear.
G031/G032 2-30 SM