SHARP SP1659 Technical Report

Date: Dec. 28, 1993

COPIER : SF-2035

MAIN ROM SOFTWARE CHANGE.

•CHANGE IN THE METHOD OF PROCESSING ORIGINAL COPIES IN THE ADF.

•CHANGE IN DETECTION OF H TROUBLE DUE TO NOISE .

No. : SP-1659

1.Model name: SF-2035

2.General: The main ROM software of the SF-2035 has been changed.

3.Reason: The main ROM software has been changed in ac cordance with the change in the

method of processing the original copies in the ADF, and to remedy the pr oblem of H-trouble detection errors.

4.Description: • Changes have been implemented so that when the CA key is depressed during copy operations using the ADF (SF-A54), both the original copy being processed at the time and the next, loaded original copy are ejected. (Changes have been m ade according to SF 2022 and SF-2027 specifications.)

• To prevent detection misses of H trouble (H3, H4) due t o noise, detection is changed in the software.

The main ROM version and parts codes and the main PWB parts codes have been changed in accordance with the changes described above.

Old New ROM Version Ver. 3.64 Ver. 3.65 ROM Parts codes VHI27C01019FC VHI27C01022FC Main PWB parts codes CPWBN0968FC57 CPWBN0968FC59

5.Action: (Factory action) Ffrom 1993 November production.

SHARP CORPORATION Reprography Division

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Green

Ref.

No.

Model

name

Version P/G No.

Current parts New parts

Parts code Parts code

Price

rank

Parts name

Effec-

tive

time

Inter-

change-

ability

Note

33 -76

SF-2035 EX

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

sp eci fi e d on es fo r m ai n ta in i ng t he s a fe ty an d pe rformance of th e s et .

9-4

33 -901

VHI27C01019FC VHI27C01022FC BB ROM (Ver 6.03)

’93/11

CPWBN0968FC57 CPWBN0968FC59 CC Main PWB 6

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

6. Others. ( The e x is ti ng m a in P W B c a n be u s ed , i f its ROM is replaced with the new version ROM.)

See T/R

SP-1628

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