SHARP SP2050 Technical Report

Date: Nov. 5, 1996

COPIER : SF-2050

1. CHANGE IN PARTS IN ACCORDANCE WITH A HALT IN PRODUCTION.

2. MEASURE TO IMPROVE THE MOVEMENT OF THE REVERSION GATE.

3. CHANGE IN THE MET AL MOLD OF THE PAPER DELIVERY P/G AND
ESTABLISHMENT OF SERVICE PARTS.

1. Change in parts in accordance with a halt in production.

1.Model Name: SF-2050

2.General: A halt in the production of the IC (SRAM used in the operation control PWB and in the

main PWB has occurred, and in accordance the part has been changed to a similar one.

No. : SP-2050

3.Description: Old VHI3664BML-12

↓

New VHILC3564SM10-

4.Action: From 1996 mid-May production.

2. Measure to improve the movement of the reversion gate.

1.Model Name: SF-2050

2.General: Problems have occurred with the reversion gate coming in contact with the fusion upper

P/G, causing an adverse effect on the movement of the reversion gate in the production
process of the models listed above. To alleviate these problems the following measure
has been carried out.

SHARP CORPORATION Reprography Division

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3.Description: A fusing washer has been attached to the upper pawl attachment plate in the fusing unit.

When attaching the fusing washer, care should be exercised to avoid blocking the hole
in the upper pawl attachment plate.

4.Action: From the start of 1996 June production.

3. Change in the metal mold of the paper delivery P/G and establishment of service
parts.

1.Model Name: SF-2050

2.General: Problems occurred with the shape of the paper delivery P/G. As a measure to alleviate

these problems, a change in the metal mold was carried out.
Furthermore, the Paper delivery P/G unit has been established as a service part.

3.Description: As shown in the figure below, the position for one of the bends has been moved, and
additional bends have been added in two new locations.

The position for one of the
bends has been moved.

Additional bends

4.Action: From 1996 mid-June production.

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