SHARP SP1608R Technical Report

REVISED

COPIER : SF-7800

ENHAN CING THE RELIABILI TY WITH A NEW TRIAC

1.Model name: SF-7800 / 7850, Z88 / 85 / 85II /52 / 57 /52II / 57II /72 / 76 / 77 / SF-6100, SF-2010 SF-2022 / 2027

2.General: To improve the reliability against the surge current, the internal structure is changed for the heat lamp control triac (TR101).

Date: Dec. 28, 1993 No. : SP-1608 (R)

3.Reason: This is to improve the reliability for the surge current.

4.Description: The reliability is improved against the surge current by changing the size of the

aluminum wire inside the triac from 400 µ microns (x2) to 500 µ microns (x1).

The new triac has a dot marked to the right of its lot number.

5.Action: (Factory action)

Running change since mid-January 1993 for the Z series copiers. Running change since November 1992 for the SF-7800 / 2022 series copiers.

Dot mark printed.

SHARP CORPORATION Reprography Division

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Green

Ref.

Model

No.

Z-88 SF-2010

Z- 85

Z- 72 Z- 76

SF-6100 SF-7800

Z- 52

SF-2022

1. Interchangeable. 4. Not interchangeable.

2. C urr e nt t y pe c a n be u s ed i n p la ce of new ty pe . New ty pe cann ot be us ed i n place of curr ent type .

3. C urre nt ty pe cann ot be used i n place of new ty pe. New t y pe c a n be u sed in p lac e of c u r ren t ty p e.

Parts m ar ke d wi t h “ ” is import an t fo r m a in ta ini ng t he s a fe ty of the set. B e s u re to r e plac e t he s e pa rts wi t h

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

name

85II

7850 7870

57 52II 57II

2027

Version P/G No.

100V

15 -39

series

15 -30

15 -26

802 -TD201

14 -18

33 -36

Current parts New parts

Parts code Parts code

0CBUDB0040ZZ/ 0CBUDB0045ZZ/ AT Traiac

0CBUDB0040ZZ/ 0CBUDB0045ZZ/ AT Traiac TR101

VHITM1641P-LX No change AM Traiac TD201

VHITM1641P-LX No change AM Traiac TR101

VHITM1641P-L/ No change AM Traiac 1 TD202

Price

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

6. Others.

Parts name

rank

Effec-

tive

time

See

txt.

Inter-

change-

ability

Note

TR101

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