SHARP sp2254 Technical Report

Date: Mar. 9, 1998

DUPLICATOR SF-2050/2052/2150

1. Countermeasure against dirty MC

2. Better productivity of lower main harness

3. Better performance of ADU paper supply

1. Countermeasure against dirty MC

1. Model Name: SF-2050/2052/2150

No. : SP-2254

2. General: As the countermeasure against flying toner on the above models, the side molt and side seal
in the process unit are changed in the shape.

3. Description:

(1) The side molts F/R are abolished, and the side molts FHP/RHP and side molts

FAHP/RAHP are added.

SHARP CORPORATION Reprography Division

1/4

Green

C

(2) The side seals F/R are abolished, and the side seals FHP/RHP are added.
(3) The rear molt HP is newly provided.

4. Action: SF-2050 1st product in November, 1997
SF-2052 1st product in October, 1997

2. Better productivity of lower main harness

1. Model Name: SF-2052/2150

2. General: The HP main harness R of the above models is provided with the core. Whether the cables

are passed through the core or not passed, the same colored cables are used. For better
productivity, the cable colors are changed. However, the part codes are not changed along
with the change.

3. Description:

4. Action:

Gray cable passed through the core → Kept as it is
Gray cable not passed through the core
Pink cable passed through the core → Brown

→

Pink

SEC → Running change during production of December, 1997
SEEG → Running change during production of January, 1998

3. Better performance of ADU paper supply

1. Model Name: SF-2050/2052/2150

2. General: The following change is applied to improve the paper supply function in ADU of the above

models.

3. Description: (1) Change of height of rib of paper supply

guide (1 → 2 mm) → If the rib is short,

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the releasing plate may be incompletely
installed.

(2) In order to increase the durability of the

ADU paper supply roller and reverse
roller, the material is changed. NX220
(yellow) → NS-S1 (gray)