Temperature Control; Main Components - Ricoh G157 Service Manual

FUSING UNIT

6.10.5 TEMPERATURE CONTROL

CAUTION
Do not adjust or remove the thermistor [C], temperature control board [A],
or thermostats [B][D]. Normal operation is not guaranteed if you remove or
adjust them.

Main Components

[A]
[B]
The fusing unit has these components for temperature control:
• The fusing thermistor [C] and the temperature control board [A] sends the signal
when the fusing temperature goes past the threshold. The fusing thermistor and
the temperature control board are on the same electrical circuit ( ).
• The fusing thermostats [B][D] break the electric circuit when the fusing
temperature goes past the threshold. The two fusing thermostats are on the
same electrical circuit as the fusing lamp. The fusing lamp goes off if one of the
two fusing thermostats breaks the electrical circuit ( ).
The two electrical circuits, circuit
G157
CÓPIA NÃO CONTROLADA
[C]
[D]
and circuit
6-46
CÓPIA NÃO CONTROLADA
G157D951.WMFF
are not the same circuits.
SM