Date: Nov. 30, 1995
COPIER : SF-2116
1. MEASURE TO PREVENT U2 TROUBLE.
2. MEASURE TO PREVENT THE CLUTCH IN THE MANUAL MULTI PAPER FEEDING UNIT
FROM SLIPPING.
3. MEASURE TO PREVENT THE CORNERS OF THE LEADING EDGE OF THE COPY PAPER
FROM FOLDING.
4. MEASURE TO PREVENT PRINTING MIS-COPIES (WASHED-OUT COPIES) DUE TO
MOISTUR E ABS O RBANCE OF TH E CO PY PAPER.
No. : SP-1972
1. Measure to prevent U2 trouble.
1.Model name: SF-2116/ 2118/1016/1018
2.General: The IC (ROM) in the main PWB was changed to version 2.5 from the start of 1995 July
production, but there was a possibility of U2 trouble occurring due to the extremely rare
conditions described below. To alleviate this problem, a change was carried out on the
software, and version 2.5 was changed to version 2.6.
There was a possibility of U2 trouble occurring when the power supply of the machine
was turned off immediately after delivery of the last copy during multi copy operations,
and then turned back on again. This problem occurred as a result of a particular timing
between the delivery of the last copy and the turning off of the power supply of the
machine, and as a result, there is basically no problem during normal operations.
The ROM label shown below has been used with a portion of the August production lot
of model SF-2118, but the ROM version is the same, version 2.6.
SWALLOW
Main V2.5
Green
3.Action: From the start of 1995 August production.
2. Measure to prevent the clutch in the manual multi paper feeding unit from slipping.
1.Model name: SF-MF15
2.General: Slipping sometimes occurred in the one-way clutch in the manual multi paper feeding
unit. This problem was considered to be a result of the diameter of the manual paper
feeding bearing being a little too small. To alleviate this problem, a change was carried
out on the tolerance of the diameter of the bearing.
Old New
φ5 → φ5
-002
-007
0
-003
SHARP CORPORATION Reprography Division
1/3
Green
C
3.Action: From the start of 1995 October production.
3. Measure to prevent the corners of the leading edge of the copy paper from folding.
1.Model name: SD-21 16/21 18/ 1016/1018
2.General: There is a possibility of the corners of the leading edge of the copy paper folding when
thin copy paper for use in the Japanese domestic market is used in machines with a
sorter installed. To alleviate this problem, the measure described below has been
carried out.
3.Description: A change has been carried out in the material used in the discharge brush of the fusing
unit, and the pressure of the brush has been lessened (softened).
4.Action: Running change from 1995 mid-September production.
4. Measure to prevent printing mis-copies(washed-out copies)due to moisture
absorbance of the copy paper.
1.Model name: SF-2116/ 2118/1016/1018
2.General: The resistance of the rubber of the PS lower roller is low and the electrical charge
during printing operations is transferred through the PS roller from the copy paper to
GND. When copy paper that has absorbed moisture is used, printing mis-copies
occurs (washed out copies). To alleviate this problem, the measure described below
has been carried out.
3.Description: The rubber of the PS roller has been changed to one with a higher resistance.
In accordance with the change described above, the parts code for the PS lower roller
has also been changed, and the old and new parts can be distinguished apart by the
method described below.
Method of distinguishing between the old and new parts:
Temporary: Black marking on the end of the bearings.
Permanent: A center hole has been added to the end of the bearings
(toward the front of the machine).
2/3
Center hole
4.Action: ∗ UK → From 1995 mid-September production.
For machines bound for agencies → From 1995 mid-October production.
For machines bound for destinations other than those listed above → Running
change in accordance with consumption of stock.
Ref.
Model
No.
SF-2116
SF-2118
1
SF-1016
SF-1018
2 SF-MF15
SF-2116
SF-2118
3
SF-1016
SF-1018
SF-2116
SF-2118
4
SF-1016
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
speci fied ones fo r m ain taining t he s a fe ty and performa nc e o f the set .
name
Version P/G No.
29 -54 VHI27C01060FC VHI27C01061FC AY IC [IC7]
35 -11 NSFTZ2183FCZZ NSFTZ2183FCZ1 AM
All
16 -14 PBRSR0140FCZZ PBRSR0140FCZ1 AH Discharge brush
19 -10 NROLR1055FCZZ NROLR1055FCZ1 AY PS roller lower
!
Current parts New parts
Parts code Parts code
5. Interchangeable if replaced with same types of
6. Others .
Price
relate d parts in use .
Parts name
rank
Manual paper
feeding shaft
Effec-
tive
time
Mid-
’95/8
1st lot
’95/10
See
text
∗
Mid-
’95/10
Inter-
change-
ability
3
1 Q’ty: 2
Note
3/3
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