SHARP SP1736 Technical Report

Date: May. 12, 1994

COPIER : Z-25

1. CHANGE OF SCREWS FOR THE UPPER CABINET UNIT

2. PREVENTION OF COOLING FAN NOISE

3. PROVISIONAL CHANGES TO CORRECT DEFECTS IN THE PAPER SUPP LY

1. Change of screws for the upper cabinet unit

1.Model name: Z-20, 23, 25

2.General: The M3x8P tight screws (XEBSD30P08000: Q’ty 7) used in the upper cabinet unit have

been discontinued. The screws have been changed as follows.

No. : SP-1736

3.Description:

Current New

M3x10P tight

M3x8P tight (XEBSD30P08000) (Q’ty: 7 to 0)

4.Action: From 1993 mass production, 1st unit. (Action has already been taken from the first unit of mass production. Please make corrections to the parts guide.)

2. Prevention of cooling fan noise

1.Model name: Z-20, 25, 27

(XEBSD30P10000) (Q’ty: 0 to 2)

M3x8P tight (XEBSE30P08000) (Q’ty: 0 to 5)

For attachment of L/R handle holder

For use in other areas

2.General: Changes have been made to the material and dimensions of the fan pulley to prevent

fan noise.

Green

SHARP CORPORATION Reprography Division

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3.Description:

(Description of changes)

Changed

17 0.5

0.5

Changed materials and shape

(Current)

Material:

(New)

Material:

φ2

- 22

-0.05

SUS420J2 gas annealing with knurl

- 20

Hard straight pin with knurl

Gloss polishing SUS301 Changed materials and shape

4.Action: USA, Canada : From mid-December 1993 production.

Others: From January 1994 production, 1st unit.

3. Provisional changes to correct defects in the paper supply

1.Model name: Z-20

2.General: The PS upper roller shaft was attached as a provisional change to correct defects in the

paper supply. However, the PS upper shaft roller N has been attached as a permanent change. (Please include this in the parts guide.)

3.Description: As a provisional change, the PS shaft guide wire has been attached from the first unit of

mass production. However, the shape and attachment procedures for the shaft roller have been changed as permanent changes.

(Permanent change) Tighten screws to secure the main chassis to the lower cabinet.

PS shaft guide wire N MSPRC2235FCZZ Q ’ty: 1

New guide wire

PS spring (R)

PF upper roller shaft

PS shaft guide wire for provisional change

PF upper roller shaft

Main chassis UN

4.Action: From 1993 production, 1st unit

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