Image Fusing; Overview; Mechanism - Ricoh P C300W Field Service Manual

7.Detailed Descriptions

Image Fusing

Overview

No.
1 Pressure roller
2 Pressure roller thermistor (center/ end)
(TH3/TH4)
3 Fusing entrance sensor (S2)
4 Fusing lamp (H1)
5 Fusing sleeve belt

Mechanism

Fusing Mechanism
In order to improve energy conservation, the QSU (Quick Start Up) method has been adopted over the
hot roller device of the previous machine to reach the fusing temperature much quicker. As a result, the
warm-up time has been reduced to less than half that of the previous machine.
276
Part name No.
6 Fusing thermostat (TH1)
7 Fusing thermopile (TH2) *At main
machine side
8 Fusing NC sensor (S1)
9 Separation plate
Part name