Reader Controller Pcb - Canon imagerunner C5180 Service Manual

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6.1.4 Reader Controller PCB

The following shows the functional construction of the reader controller PCB:

Image processing

(shading correction)

Backs up service

mode settings

(dotted line): back

used for the power from the machine (printer unit).

For communication with ADF (for communication with sensor signal input, fan

control, scanner motor control, and controller)

used for communications with the printer unit (connection with the scanner motor).

used for communications with the ADF (image signal input).

used for connection with the CCD unit.

used for connection with the CCD unit.

used for connection with the inverter PCB.

used for connection with the original size sensor (AB-configuration).

used for connection with the original size sensor (inch-configuration).

Scanner motor

(AB-configuration)

Stores firmware

(inch-configuration)

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