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Service Guide OF1000
Chapter 2 Principles of Operation
2.4.02 Printer Control Board (PCNT-150)
The printer control board (PCNT-150) contains a microprocessor, an EPROM which stores the
printer control program, and 640 Kbytes of dynamic RAM.
This board controls the paper feed and paper transport functions. This board also activates the
LED array diodes, which leave a latent electrostatic image on the photosensitive drum. This latent
image is printed by fusing toner to the paper.
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Summary of Contents for OF1000
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