SHARP SP2104 Technical Report

Date: Feb. 27, 1997

COPIER : SF-2050

1.MEASURE TO IMPROVE THE EFFICIENCY OF THE DISCHARGE BRUSH IN
THE CURL CORRECTION UNIT.

2.MEASURE TO ALLEVIATE PROBLEMS OF STREAKING CAUSED BY THE
ROLLER OF THE PAPER DISCHARGE SECTION.

1. Measure to improve the efficiency of the discharge brush in the curl correction unit.

1.Model Name: SF-2050

2.General: In order to improve the static electricity removal of the curl correction un’s of the above

models during paper transmission, we have changed from non-conductive double-sided
tape for the static removal brush to conductive double-sided tape.

No. : SP-2104

3.Action: ∗1 Japanese production From 1996 mid-November production.
SMF production From 1996 November production.

2. Measure to alleviate problems of streaking caused by the roller of the paper
discharge section.

1.Model Name: SF-2050

2.General: Lines may be transferred to the paper from the roller in the paper discharge section of

the above models. To prevent this, we have made the following changes to the paper
discharge reverse section.

SHARP CORPORATION Reprography Division

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Green

C

3.Description: (1) Addition of a C-roller chamfer to the corner of the paper delivery roller.
(2) Change in the spring pressure of the drive roller.
(3) Addition of a washer to control the position of the drive roller.

Added washer LX-WZ0139FCZZ

Changed drive roller
SP-A (black)
MSPRT2586FCZZ

New Drive roller SP-A (black) — free length 16 mm ← use the longer shaft

{

Drive roller SP-B (r ed) — free l engt h 18 mm ← use the short er shaf t

(Old) Drive roller SP (silver) — free lengt h 15 m m

Roller change content

Changed drive roller SP-B (red)
MSPRT2587FCZZ

Changed paper delivery roller HA

New

Old

With the exception of the center section, roller chamfers
have been added to the edges of both sides of the roller.

4.Action: ∗2 Japanese production From 1996 mid-October production.
French production From 1996 October production.

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