SHARP SP1915 Technical Report

Date: Aug. 21, 1995

COPIER : SF-2050

No. : SP-1915

1. REGARDING A STRANGE NOISE MADE BY THE FUSING UNIT .

2. A CORRECTION TO THE PART GUIDE.

3. PREVENTING THE VFM RELAY HARNESS AND THE FAN MOTO R FROM RUBBIN G AGAINST EA CH OTHER.

1. Regarding a strange noise made by the fusing unit.

1.Model Name: SF-2050

2.General: When the fusing unit is in motion, a strange noise is sometimes heard from the vicinity

of the heat-resistant bush. In order to eliminate this problem, we are changing the shape of the heat-resistant bush.

3.Description:

The changed shape of the heat-resistant bush.

Before the change After the change

Slit Present

Slit absent

4.Action: From the first unit of May, 1995 production on.

2. A correction to the part guide.

1.Model Name: SF-2050 (the general version for our representative shops only)

2.General: In the part guide, the entry concerning the delivery tray ( 48 -11) states the unit is for

Japan only. However, the same unit is available for general use. Please make the necessary corrections to the part guide.

SHARP CORPORATION Reprography Division

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Green

3. Preventing the VFM relay harness and the fan motor from rubbing against each other.

1.Model name: SF-2050

2.General: There have been instances of the VFM relay harness (P/G no. 11 -2) rubbing against

the fan motor. This produces an odd noise. In order to prevent this problem, we will carry out the following changes.

3.Description: Reverse the attachment direction of the snap band as shown in the figure. This will pull the harness away from the fan motor.

Change direction.

VFM relay harness (DHAI-2468FCZZ)

RM0TE0630FCZZ

4.Action: From the first unit of June, 1995 production on.

Ref.

Model

No.

1 SF-2050 All

1. Interc ha ng ea bl e. 4. N ot i nt er ch an ge ab l e.

2. Current type can be used in place of new type. New type cannot be used in place of current type.

3. Current type cannot be used in place of new type. New type can be used in place of current type.

Parts marked with “ ” is important for maintaining the safety of the set. Be sure to replace these parts with

speci fied ones fo r m ai n ta ini ng t he s a fe ty an d pe r fo rma nc e o f the set .

name

Version P/G No.

16 -38

Current parts New parts

Parts code Parts code

LBSHZ0328FCZZ

(Q’ty: 2)

LBSHZ0330FCZZ

(Q’ty: 2)

Effec-

tive

time

1st lot

’95/5

Inter-

change-

ability

Note

rank

Parts name

Heat-resistant bush

Price

5. Interchangeable if replaced with same types of relate d parts in use .

6. Others .

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