Image Fusing; Introduction - Ricoh M5 Service Manual

IMAGE FUSING

1. Introduction

paper with the transferred image on it is carried from the image transfer section to the fusing
Copy
Paper then passes
unit.
rollers (the hot roller and the pressure roller)
The fusing pressure is about 10 kg (not adjustable).
halogen lamp located in
temperature of the hot roller through a thermistor, and turns the fusing lamp on and off to keep the
surface of the roller at the operating temperature (182-185 degrees Celsius). A thermoswitch pro-
tects the fusing unit from overheating.
To prevent damage to the hot roller surface, the stripper pawls are released when the exit cover is
opened.
When the exit cover is closed, the frame stoppers cancel the force of the release springs so that the
pressure springs pull the stripper pawls in contact with the hot roller.
the paper to the copy tray.
between the fusing rollers.
the center of the roller.
By applying heat and pressure, the fusing
fuse the toner image to the paper.
The heat source for the hot roller is a 1050
The fusing lamp control circuit monitors the surface
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25, 1985
May,
Then the exit rollers transport
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