Various Control Mechanisms; Controlling The Speed Of The Fixing Film - Canon imageRUNNER 2270 Service Manual

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9.3 Various Control Mechanisms

9.3.1.1 Controlling the Fixing Film Speed in Response to Low

As in the morning, driving the fixing film in a low-temperature environment without warm-

up could cause the film to become displaced. In consideration of this fact, the fixing motor

is started up in phases (1/4 speed to 1/2 speed and then to normal speed).

9.3.1.2 Controlling the Fixing Film Speed

The rotation cycle of the fixing film is monitored to control the fixing motor to a specific

When the fixing film rotates and, as a result, the reflecting member positioned in the loop

of the film approaches the speed sensor, the machine detects the rotation of the fixing film.

[1]Speed sensor

[2]Reflecting member

[3]Fixing film (driven by fixing motor)

[4]Pressure roller

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