SHARP SP2304 Technical Report

COPIER : SF-2216/2020

Date

:

Jul. 22, 1998

1. MEASURE TO ALLEVIATE PROBLEMS OF NOISE FROM THE AC CIRCUIT PWB.

2. ESTABLISHMENT OF UNIFORMITY OF THE HIGH VOLTAGE TRANSFORMER.

3. DISCONTINUANCE OF SCREWS CARRIED OUT AS A MEASURE TO IMPROVE
PRODUCTIVITY.

No. : SP-2304

1. Measure to alleviate problems of noise from the AC circuit PWB.

1.Model Name: SF-2216/2020/2120/1020/1120

2.General: A change has been carried out in the capacitor (only Silk No. C203). This action has

been carried out as a measure to alleviate problems of noise from the AC circuit PWB.

Old New

VCFYEG2EA224M (0.22 µF) → VCFYRT2EC334M (0.33 µF)

3.Action: From the start of 1998 June production.

2. Establishment of uniformity of the high voltage transformer.

1.Model Name: SF-2116/2118/1016/1018/2020/2120/1020/1120

2.General: Uniformity of the high voltage transformer has been established by changing the high

voltage transformer used in the models listed above to the unit used in other models.

3.Action: From the start of 1998 June production.

3. Discontinuance of screws carried out as a measure to improve productivity.

1.Model Name: SF-2116/2118/1016/1018/2216/1116/2020/2120/1020/1120

SHARP CORPORATION Reprography Division

1/3

Green

C

2.General: Some of the screws used in the optical unit and in the DV lower paper guide have been

discontinued. This action has been carried out as a measure to improve productivity.

Optical unit section

A change in the ground terminal of the main
harness has been carried out in the same
manner as the screw indicated by the arrow.

Discontinued screw (Qty: 1) of
the balancer attachment plate R.

Discontinued

DV lower paper guide section

Discontinued

3.Action: From the start of 1998 June production.

2/3