SHARP SP2165 Technical Report

COPIER : SF-2050

Date

Aug. 7, 1997

1. PREVENTING PWB BREAKAGE DURING HIGH VOLTAGE TRANSFORMER ASSEMBLY.

2. IMPROVEMENTS TO DRUM MARKING READING.

3. PREVENTING THE UPPER/LOWER PAPER SUPPLY DRIVE UNIT SPRING FROM COMING LOOSE.

No. : SP-2165

1. Preventing PWB breakage during high voltage transformer assembly.

1.Model Name: SF-2050

2.General: The PWBs sometimes break when assembled onto the high voltage transformer

attachment board. To prevent this problem, we have changed the shaped of some of the PWB holders.

3.Description:

High voltage transformer

PWB holder, after change

We have changed the shape of 5 of the PWB holders (indicated by the circles) used in the high voltage transformer attachment board so that they merely touch the attachment board. The other 4 PWB holders remain as before.

4.Action: From the middle of June, 1997 production (running change).

2. Improvements to drum marking reading.

1.Model Name: SF-2050

2.General: The developer unit’s DV side seal sometimes comes into contact with the drum, causing

3.Action: From the first unit of September, 1997 production on.

problems in reading the drum marking (F2-32). To prevent this problem, we have changed the thickness of DV side seal R.

SHARP CORPORATION Reprography Division

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Green

3. Preventing the upper/lower paper supply drive unit spring from coming loose.

1.Model Name: SF-2050

2.General: In order to prevent the auto load spring in the upper/lower paper feed drive unit from

coming loose, we will apply screw lock to the area from which the spring hangs.

Spread screw lock here

3.Action: From the first unit of June, 1997 production on.

Ref.

Model

No.

SF-2050 All

1. Interchangeable. 4. Not interchangeable.

2. Current type can be used in place of new type.

3. Current type cannot be used in place of new type.

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

specified ones for maintaining the safety and performance of the set.

Version P/G No.

name

12 -19 LHLDF6647RCZZ Q’ty: 9 → 4 AB PWB holder A

19 -51

New type cannot be used in place of current type.

New type can be used in place of current type.

Current parts New parts

Parts code Parts code

---- LSUPP0005FCZZ AC PWB holder Q’ty: 5

PSEL-0653FCZ1 PSEL-0756FCZZ AE DV side seal

Effec-

Price

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

6. Others.

Parts name

rank

tive

time

Mid-

’97/6

1st lot

’97/9

Inter-

change-

ability

Note

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