SHARP SP2115 Technical Report

Date: May. 9, 1997

COPIER : SF-2120

1.MEASURE TO ALLEVIATE PROBLEMS OF ABNORMAL NOISE IN THE PAPER
DELIVERY SECTION.

2. MEASURE TO ALLEVIATE PROBLEMS WITH THE SWITCH OF THE PAPER
FEEDING UNIT.

3.MEASURE TO IMPROVE THE REAR END VOID ACCURACY.

No. : SP-2115

1. Measure to alleviate problems of abnormal noise in the paper delivery section.

1.Model Name: SF-2120/1 120

2.General: There was a possibility of abnormal noise in the paper delivery bearing shaft support

section of the paper delivery upper paper guide in the paper delivery section of the
models listed above. As a measure to alleviate this problem, a paper delivery bearing
shaft sheet has been added.

Paper delivery bearing shaft sheet.

Paper delivery upper PG.

3.Action: From 1996 December production.

2. Measure to alleviate problems with the switch of the paper feeding unit.

1.Model Name: SF-2020/1020/2120/1 120/CM16

2.General: An electrolytic capacitor has been added to the motor control plate of the models listed

above. This measure has been carried out to improve the noise prevention performance
in the paper feeding unit.

SHARP CORPORATION Reprography Division

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Green

C

Electrolytic capacitor attachment position.

,,,,

,,

The “+” (plus) electrode lead
should be soldered to the No.18
pin of IC 701 (TC9192P).

The “-” (minus) electrode lead
should be soldered to the No.1
pin of IC 701 (TC9192P).

3.Action: From 1996 December production.

Lay down

Less than 8 mm

Soldered surface

IC 701

3. Measure to improve the rear end void accuracy.

1.Model Name: SF-2020/1020/2120/1 120

2.General: A version upgrade of the machine software has been carried out in the models listed

above. This measure has been carried out to improve the rear end void accuracy.

Old version New version
SF-2020/1020 Ver.2.7 Ver.2.8
SF-2120/1120 Ver.3.0 Ver.3.1

3.Action: ∗1 SF-2020/1020: From 1996 December production.(for Japanese domestic production)
SF-2120/1120: From 1996 November production.(for Japanese domestic production)
SF-2020/1020: From 1996 December production.(for French (SMF) production)
SF-2120/1 120: From 1996 mid-November production.(for French (SMF) production.)

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