SHARP DTE087 Technical Report

Date: Apr. 27, 1993

DUPLICATOR : SD-3076

No. : DTE-087

AVOIDING THE AE SENSOR (AUTO EXPOSURE)
CONTROL TO SENSE BRIGHTER AFTER PRINTING
THE COUNTER READING

1.Model name: SD-3075/3076

2.General: 1. If a copy is produced with the AE in use after printing the internal counter

reading using the test command 100, you may encounter a bug that the copy is
taken brighter. To correct this, t he master and slave ROM progr ams revised.

2. Correction is made to the program to show the maintenance message that
failed to show it even if the maintenance cycle was et using the test command

140.
Test command 140:

Correction is made t o the program to show any maintenace message
that failed to show what ever selec tion was m ade for 1 t hrough 3 using
a test command (1=125K, 2=250K, 3=500K, 4=NONE).

3. The software is revised to show the following message when it failed to
sense the mark on the drum during the process control. This applies to those
other than US and Japan versions.

“READY TO COPY.

MAINTENANCE REQUIRED: F2"

3.Description: With the change in t he software, new parts codes are iss ued for t he master
and slave ROM. The master ROM needs to be replaced wi th the slave ROM at
the same time.

Maste r PWB

Current New
Master PWB (SEEG) CPWBN0949FC52 CPWBN0949FC55
Master PWB (Other than SSEG) CPWBN0949FC51 CPWBN0949FC54
Master ROM VHI27C1001AFC VHI27C1001BFC
Master ROM label TLABZ3159FCZZ TLABZ3159FCZ1
Label color Black Blue

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SHARP CORPORATION Reprography Division

Green

C

Slave PWB

Slave PWB CPWBN0950FC52 CPWBN0950FC53
Slave ROM VHI27C51220FC VHI27C51221FC
ROM label TLABZ3160FCZ1 TLABZ3160FCZ2
Label color Red Blue

4.Action: (Factory action)
Since February 1993.

Current New

Ref.

Model

No.

SD-3075

<Inter c h an g e>

1. Interchangeable. 4. Not interchangeable.

2. C ur rent type c a n be u s ed i n pl a c e of n ew t y pe .
New ty pe cann ot be us ed in place of curr ent type .

3. C ur r e nt t y pe c a nn ot b e us e d in p l ace of ne w ty p e.
New t y pe c a n be u s ed i n pl a ce of curren t type.

Parts marked with “ ! ”i s importan t for main ta in i ng t he sa fe ty of t he s e t. B e sur e t o rep l ace t he s e pa r ts wi th

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

name

3076

Version P/G No.

33 -2

SEEG

55 -901

Other
than
SEEG

33 -2
55 -901

55 -77 VHI27C1001AFC VHI27C1001BFC AZ

55 TLABZ3159FCZZ TLABZ3159FCZ1 AB Master ROM label 3

All

33 -8
57 -901

57 -62 VHI27C51220FC VHI27C51221FC AX

57 TLABZ3160FCZ1 TLABZ3160FCZ2 AB

Current parts New parts

Parts code Parts code

CPWBN0949FC52 CPWBN0949FC55 CB Master PWB

CPWBN0959FC51 CPWBN0949FC54 CB Master PWB 6

CPWBN0950FC52 CPWBN0950FC53 CB Slave PWB 6

Price
rank

5. Interc ha ng ea ble i f r ep l ace d wi th s a m e typ es of
relate d pa r ts in use.

6. Others. (The ROM is replaceable.)

Parts name

Master ROM
(IC 530)

Slave ROM
(IC 229)

Slave ROM label
(label color: red
to blue)

Effec­tive
time

’93/2

Inter­chang­ability

6

3

3

3

Note

Label
color:
black
to Blue

See
T/R

(DTE-

085)

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