Canon CanoScan 9950F Service Manual - Page 8

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3. Servicing

3-1 Advisory for Replacement of Service Part (also for disassembly and assembly)

Replacing Service Part

MAIN PCB ASS'Y

(FE2-0205-000)

CARRIAGE ASS'Y

(FE2-0206-000)

PLATEN GLASS ASS'Y

(FE2-0201-000)

1:Note for entire work

Have a careful look on the wiring arrangement of flexible cable and harness, and

connection of connectors. [Refer to 3-2 Instruction for Servicing (1) Wiring arrangement

of flexible cable and harness, and connection of connectors]

Be careful not to drop down ferrite core to be broken.

Be careful not to let electrostatic break electric parts down.

Disconnect the power cord, leave the unit about 1 minute (to discharge the stored charge of the

capacitor) and dismount the part (to prevent MAIN PCB ASS'Y broken).

Do not stain inappropriate part with TIMING grease. Do not scratch or damage parts and

the unit.

Be careful not to damage or stain external cover.

Note for replacement*1

Disconnect the power

cord,leave the unit about 1

minute (to discharge the

stored charge of the

capacitor) and

dismount the part (to

prevent MAIN PCB ASS'Y

broken)

Be careful not to touch

mirrors or CCD PCBs.

Be careful not to put dirt

or fingerprint on the

document glass.

1 - 3

Adjustment

Verifying operation

/Setting up

Enforce

scan operation

Enforce

scan operation

Enforce

visual inspection