SHARP SP1952 Technical Report

Page 1
Date: Jan. 19, 1996
COPIER : SF-2016
1. IMPROVEMENT MEASURES FOR THE MAIN PWB TO ALLEVIATE PROBLEMS OF NOISE.
2. ADDITION OF A PROTECTIVE SHEET TO THE DC PWB.
3. IMPROVEMENT MEASURES TO PREVENT THE HARNESS PROTECTIVE SHEET FROM PEELING.
4. IMPROVEMENT MEASURES TO STRENGTHEN PACKING MATERIALS.
No. : SP-1952
1. Improvement measures for the main PWB to alleviate problems of noise.
1.Model name: SF-2116/ 2118/1016/1018.
2.General: A capacitor and a diode had been attached to the reverse side of the main PWB as an
3.Description: Diode: VHDDSS133//-1 D56 to D59 Back-attachment has been changed to front-attachment. D60 to D63 Added.
IC: VHIT74LS151-C Changed to VHISN74HC151N.
In accordance with the changes described above, the silk screen printing content has been changed from N1079FC-1 to N1079FC-2.
Main PWB
D56 to D59 Back-attachm ent has been changed to front-attachment. D60 to D63 Added.
IC15: LS151 has been changed to HC151.
N1079FC-1 has been changed to N1079FC-2.
SHARP CORPORATION Reprography Division
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Green
C
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4.Action: From 1995 mid-September production. (after the old PWBs have been used up.)
2. Addition of a protective sheet to the DC PWB.
1.Model name: SF-2116/ 2118/1016/1018.
2.General: A DC power supply PWB protection sheet has been added to lower frame R to protect
the main harness of the lower unit when the DC power supply PWB is attached.
PWB support.
Added DC PWB protection sheet. PSHEP4047FCZZ
Main harness of the lower unit.
Lower frame R.
3.Action: Running change from 1995 mid-September production.
3. Improvement measures to prevent the harness protective sheet from peeling.
1.Model name: SF-2116/ 2118/1016/1018.
2.General: The lower unit main harness which is connected to the paper feeding unit on the left
side of lower frame R is secured by a harness protection sheet. This harness protection sheet peels easily, however , and to alleviate this problem the harness protection sheet has been discontinued and harness fixing tape has been added.
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Harness fixing tape.
Standard
Lower frame harness.
3.Action: Running change from 1995 mid-August production.
4. Improvement measures to strengthen packing materials.
1.Model name: SF-2116/ 2118/1016/1018.
2.General: The packing materials have been changed to stronger materials for better protection
during package handling during transport and warehouse storage. Please refer to the parts list for information concerning changes in parts codes that have been carried out in accordance with the change described above.
3.Action: From the start of 1995 September production.
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Ref.
Model
No.
1
SF-2116 SF-2118
2
SF-1016 SF-1018
3 PSHEP4025FCZZ PTPE-0217FCZZ AC
name
Version P/G No.
29 -51 VHIT74LS151-C VHISN74HC151N AG IC[IC15]
All
20
1
4 SF-2116
2 SPAKC5175FCZZ SPAKC5175FC12
Current parts New parts
Parts code Parts code
PSHEP4047FCZZ AD
SPAKC5174FC12 SPAKC5174FC19
Price
rank
Parts name
DC PWB protection sheet
Harness fixing tape
Packing case A
Effec-
tive
time
Mid-
’95/9
See
text
3 SPAKC5175FC11 SPAKC5175FC13
SF-1016
SF-2118
4 SPAKC5174FC15 SPAKC5174FC22 Packing case
28 -6
5 SPAKC5174FC16 SPAKC5174FC23 Packing case A1 SPAKC5176FC12 SPAKC5176FC192 SPAKC5177FCZZ SPAKC5177FC12
BC
Packing case B
1st lot
’95/9
3 SPAKC5177FC11 SPAKC5177FC13
SF-1018
4
SF-2116 SF-1016
SF-2118 SF-1018
<Interchange>
1. Interc ha ng ea bl e. 4. N ot i nt er ch 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
specifie d ones fo r m ain ta in i ng t he s a fe ty an d pe r fo rma nc e o f th e s et .
4 SPAKC5176FC15 SPAKC5176FCZZ BB Packing case5 SPAKC5176FC16 SPAKC5176FC23 BC Packing case B
CPAKA5181FC01 CPAKA5181FC05
All
28 -5
CPAKA5181FC02 CPAKA5181FC06 Bottom case B
5. Interchangeable if replaced with same types of relate d parts in use .
6. Others .
!
Bottom case A
BB
Inter-
change-
ability
3
6
3
1
Note
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1 With the exception of machines bound for Europe, all machines bound for overseas
markets, but including the U.K.
2 With the exception of machines bound for the UK and Germany , all machines bound
for European markets.
3 Only for machines bound for Germany .4 With the exception of machines bound for South Africa, all machines bound for
overseas markets.
5 Only for machines bound for South Africa.
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