SHARP ARE154 Technical Report

DIGITAL COPIER : AR-280

Date

Mar. 31, 1999

1.CHANGE IN PARTS TO INCORPORATE PARTS MANUFACTURED BY SHARP INTO ASSEMBLED UNITS CARRIED OUT AS A MEASURE TO IMPROVE PRODUCTIVITY.

2.MEASURE TO ESTABLISH UNIFORMITY OF THE HIGH VOLTAGE PWB CARRIED OUT AS A MEASURE TO IMPROVE PRODUCTIVITY.

3.CHANGE IN PART CODE CARRIED OUT IN ACCORDANCE WITH A CHANGE TO IN-HOUSE PRODUCTION OF THE LSU UNIT.

4.MEASURE TO ESTABLISH UNIFORMITY OF THE PCU PWB CARRIED OUT AS A MEASURE TO IMPROVE PRODUCTIVITY.

5.MEASURE TO ALLEVIATE PROBLEMS OF SCATTERING OF THE WASTE TONER.

No. : ARE-154

1. Change in parts to incorporate parts manufactured by Sharp into assembled units carried out as a measure to improve productivity.

1.Model Name: AR-280/285/335

2.General: A change in some of the parts has been carried out in accordance with the

incorporation of an LSU unit and copy lamp unit which have been manufactured in-house.

3.Description:

Part name Old New

<1> Wire fixing plate LPLTM5434FCZZ LPLTM5434FCZ1

<2> LSU Harness cover PCOVP1455FCZZ PCOVP1513FCZZ

LSU Interface harness

<3>

(Japan market)

LSU Interface harness

<4>

(overseas market)

DHAI-2945FCZZ DHAI-2945FC11

DHAI-2865FCZZ DHAI-2865FC11

Carried out as a measure to establish uniformity between model AR-S400 and model AR-S405.

Change carried out in the length of the harness and change carried out in the color of the distinguishing tape (red has been changed to yellow).

Change carried out in the length of the harness and change carried out in the color of the distinguishing tape (black has been changed to blue).

It is possible to use the new part described in <1> above with either the old copy lamp units or with the new ones, but the old parts can only be used with the old copy lamp units. The same is true for the new part described in <2> above.

The new parts described in both <3> and <4> above are not interchangeable with the corresponding old parts.

4.Action: From the 1st lot of 1999 February production.

SHARP CORPORATION Reprography Division

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Green

2. Measure to establish uniformity of the high voltage PWB carried out as a measure to improve productivity.

1.Model Name: AR-280/285/335

2.General: A change has been carried out in the high voltage PWB used in the models listed

above. The new high voltage PWB is the same one which is used in model AR-405. This action has been carried out as a measure to establish uniformity of the models listed above with model AR-405. It is important to note that both the old parts and the new parts can be used in the models listed above.

3.Action: From the 1st lot of 1999 February production.

3. Change in part code carried out in accordance with a change to in-house production of the LSU unit.

1.Model Name: AR-280/285/335

2.General: A change in the part code of the LSU unit has been carried out in accordance with the

in-house manufacturing of the unit.

3.Action: Model AR-285 (only for machines bound for the US market destinations):

From the 1st lot of 1999 February production.

For all units other than the one listed above:

From the 1st lot of 1999 March production.

4. Measure to establish uniformity of the PCU PWB carried out as a measure to improve productivity.

1.Model Name: AR-405

2.General: The PCU PWB which is in accordance with noise standards (for the 200 V series) had

been established, but in accordance with the loosening of the noise standards, the PCU PWB which is in accordance with the old standards has been discontinued, and the PCU PWB used with other machines is now being used in the model listed above.

3.Action: From the 1st lot of 1999 February production.

5. Measure to alleviate problems of scattering of the waste toner.

1.Model Name: AR-405

2.General: The addition of a mylar sheet and a molt has been carried out. This action has been

carried out as a measure to alleviate problems of scattering of the waste toner. Please rever to the attached supplementary document for details concerning the attachment locations of these new parts. Insert the following figure here.

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