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Page: 12
Service Guide OKIPAGE4w
Chapter 2 Operation Description
Electro-Photographic Processor
The electro-photographic processor prints out the image data sent from the main control board on sheets
of paper. Figure 2-3 shows the layout of the electro-photographic processor.
(1) Image drum unit
The image drum unit makes toner adhere to the electrostatic latent image with static electricity. This
electrostatic latent image is formed by light from the LED heads.
(2) Electromagnetic clutch
The electromagnetic clutch controls the rotation of the hopping roller according to signals from the
control board.
(3) Pulse motor (Main)
This pulse motor of 48 steps/rotation is two-phase controlled by the signal from the main control board; it
controls feeding by changing rotation direction and turning on/off the electromagnetic clutch. The
relationship between the main motor, electromagnetic clutch, regist gear, drum gear, and hopping roller
is shown in the table below and on the subsequent pages.
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