SHARP SP2319 Technical Report

COPIER(OPTION) : SF-A18/A57

Date

:

Aug. 24, 1998

1. ESTABLISHMENT OF PARTS CARRIED OUT AS ACTION TO DIMINISH
MOVEMENT NOISE OF THE COOLING FAN.

2. ESTABLISHMENT OF REPLACEMENT PARTS CARRIED OUT IN
ACCORDANCE WITH A HALT IN PRODUCTION.

No. : SP-2319

1. Establishment of parts carried out as action to diminish movement noise of the
cooling fan.

1.Model Name: SF-A18/A57

2.General: There were some changes in parts such as the PBA control PWB which were reported

in Technical Report No. SP-2255 as a measure to diminish the movement noise of the
cooling fan, but in accordance with a demand from the markets the changed parts have
been established as a kit and are now offered as a service part.
Please refer to the explanation below for details concerning the sequence of the
changes.

3.Sequence: (Articles included in the changed parts) 0CW2224K214// (PBA-TH assembled kit)

0CW2224K213//(PBA-TH)

0CW385680//// (Plastic bag A(074))

0CW2224P436// (Th lead wire 4)

(Sequence of changed parts)
(1) The pattern of the PWB is cut (marked portions of the diagram shown below)

Soldered face

Pattern cut

Determine the relevant section using
this corner portion as a marker.

SHARP CORPORATION Reprography Division

1/4

Green

C

(2) Suck out the solder of the through hole

(Through holes No. 1 through No. 4)

Through hole No. 2

Part face

Through hole No. 1

Through hole No. 4

Through hole No. 3

2/4