SHARP SP1775 Technical Report

Date: Jul. 11, 1994

COPIER : SF-2022

No. : SP-1775

SLIP PREVENTION OF HEATING ROLLER BEARINGS IN THE FUSER

1.Model name: SF-2022, 2027, 2018, 1025

2.General: The heat insulation bush of the heating roller rubs against the roller stopper and causes

the stopper to slip. Defects were found in the bush and bearings of the fuser’s heating roller. Changes have been made as shown below to prevent this.

3.Description:

(Current)

Heat insulation bush

Chips appear here

1mm

Roller stopper

4.Action: SF-2027, 2018, 1025 : May 1994 production, 1st unit. SF-2022 : Mid-May 1994 production.

Ref.

Model

No.

SF-2027 SF-2018 SF-1025

SF-2022 17 -31 LSTPF0172FCZZ LSTPF0307FCZZ AB Roller stopper

1. Interc ha ng ea bl e. 4. Not int erc h 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 ain taining t he s a fe ty and pe r fo r ma nce o f th e set.

name

Version P/G No.

17 -31 LSTPF0172FCZZ LSTPF0307FCZZ AB Roller stopper

All

Current parts New parts

Parts code Parts code

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

6. Others.

(New)

Changed roller stopper height to 2mm

2mm

Price

Parts name

rank

Effec-

tive

time

1st lot

’94/5

Mid-

’94/5

Inter-

change-

ability

Note

Changed only front side

SHARP CORPORATION Reprography Division

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