SHARP SP1936 Technical Report

Date: Oct. 9, 1995

COPIER : SF-2014

1. MEASURES TO PREVENT “Z” FOLDING OF THE COPY P APER DUE TO
TRANSPORT CLUTCH SKIPPING MALFUNCTIONS.

2. MEASURES TO PREVENT DEFORMING OF THE 4/5 MIRROR UNIT.

3. ADDITION OF A ADJUSTMENT SPACER IN THE 2/3 MIRROR UNIT.

4. CHANGE IN THE LED USED IN THE OPERATIONS PWB TO IMPROVE
PRODUCTIVITY.

1. Measures to prevent “Z” folding of the copy paper due to transport clutch skipping
malfunctions.

1.Model name: SF-2014/21 14/2214
Z-800, SN-1420/1430 (only for machines bound for the USA).

No. : SP-1936

2.General: Cases where the lead wire of the transport clutch in the main drive unit got pinched by
the rear cabinet in a manner so that the clutch was pulled by the wire, which caused the
clutch to skip and malfunction, resulting in “z” folding of the copy paper. To alleviate this
problem, the following measures were carried out.

Main PWB.

3.Description: The lead wire of the transport clutch was
lengthened, and rerouted to prevent it from
becoming pinched by the rear cabinet, as shown
in the figure shown to the right.
(Note: Until this measure was carried out, caution
had to be exercised after the rear cabinet was
attached so that the lead wire was not pinched.)

Drive unit.
Transport clutch.
(PCLC-0230FCZZ).

The lead wire of the transport
clutch has been lengthened and
rerouted around the outside of
the drive unit.

Main motor.

4.Action: ∗ Japanese production: From the start of 1995 September production.

Chinese (SOCC) production: From the start of 1995 October production.

Green

C

SHARP CORPORATION Reprography Division

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2. Measures to prevent deforming of the 4/5 mirror unit.

1.Model name: SF-2014
Z-800 (only for machines bound for the USA).

2.General: The following measures have been carried out to prevent the loosening of screws and
deforming of the 4/5 mirror unit caused by rough handling during shipping.

3.Description: (1) In order to prevent the 4/5 mirror unit from becoming deformed during shipping, a 4/5

mirror fixing mylar has been added (refer to fig. 1).

(2) In order to prevent the adjustment screws of the 4/5 mirror unit from become loose

the screw lock has been painted (refer to fig. 2).

4/5 Mirror unit.

Optical base plate.

M4 X 40 Sw.w screw.

(Fig. 2).

Attachment standard A.

(Fig. 1)

Attachment standard B.

4/5 Mirror unit fixing mylar

4.Action: ∗ (1) Japanese production: From the start of 1995 August production.

Chinese (SOCC) production: From the start of mass production.
French (SMF) production: From the start of mass production.

(2) Japanese production: From the start of 1995 July production.

Chinese (SOCC) production: From the start of 1995 July production.
French (SMF) production: From the start of 1995 October production.

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