SHARP SP1871 Technical Report

Date: Mar. 31, 1995

COPIER : SF-2014

1. COUNTER ME AS U RE S FO R MANUAL FEE D AR M O P E RATI ON MAL FUNCTIONS IN THE

2. PREVENTION OF FOREIGN MATTER FROM ENTERING THE UPPER COVER OF THE SPF

3. COUNTER MEASURES FOR BLACK STREAKS WHICH OCCUR DURING REDUCTION COPY

1. Counter measures for manual feed arm operation malfunctions in the manual multi
paper feed unit

1.Model name: SF-MF14
SN-MF1 1 (USA only)

No. : SP-1871

MANUAL MULTI PAPER FEED UNIT

(71%) OPERATIONS

2.General: The operations of the manual feed gate arm and the manual feed stopper sometimes
did not run smoothly, due to the small size of the manual feed arm bushing in the
manual multi paper feed unit. To alleviate this problem, the diameter of the bushing hole
has been increased.

3.Description:

(Old) (New)

Bushing hold diameter

φ5 → φ5.1

+ 0.1

-0

+ 0.15

- 0.05

➀ Tem porary measure: Manual alteration
➁ Permanent measure: Change in metal mould

4. Action:

➀ From the start of 1994 October production
➁ From the start of 1995 February production

2. Prevention of foreign matter from entering the upper cover of the SPF

1.Model name: SF-2214
SN-1430 (USA only)

2.General: In order to prevent foreign matter from entering the upper cover of the SPF through the
heat escape holes in the cover, a filter has been attached to the inner surface of the cover.

Green

C

SHARP CORPORATION Reprography Division

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