AR-280 (serv.man154). 1.Addition Of Gaskets Carried Out As A Measure To Alleviate Problems Of Noise. 2.Addition Of A Ferrite Core Carried Out As A Measure To Alleviate Problems Of Noise. (WHITE) - Sharp Copying Equipment Technical Bulletin (repair manual). Page 2

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4.Action:
From the start of 1998 June production.
2. Addition of a ferrite core carried out as a measure to alleviate problems of
noise.
1.Model Name:
AR280/285/335
2.General:
The addition of a ferrite core has been carried out to each of the parts described below.
This action has been carried out as a measure to alleviate problems of electrical noise.
Sharp Electronics (UK)Ltd., Technical Services Group
Rear frame
Lower base plate
Cross section diagram
Attachment of the ferrite core to the ICU connection harness.
ICU PWB
To the operation panel
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