OKIDATA OL400e Series, Service Manual

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Service Manual for OL400e/OL410e/OL410e-PS
Chapter 2 Principles of Operation
2.3.02 Engine Functions
The engine control section of the microprocessor on the main controller board enables
the fuser lamp and activates the preliminary print circuits. Upon completion of the
preliminary print functions, the engine control section enables the LED array in conformance
with the signals received from the host, and commands output from the control section of the
CPU. The LED illuminates, leaving a latent image on the photosensitive drum. The engine
control section also controls paper feed, paper transfer and the electrophotographic printing
process.
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