Date :Jan. 7, 1998
Copier SF-2050
1.Model Name:
No. :SP-2234
1. Countermeasure against shrinkage during copying on
both sides
2. Change of shape of paper discharge cabinet installing
plate due to addition of fan
3. Increase of draw-in performance margin of 500 tray paper supply unit
1. Countermeasure against shrinkage during copying on both sides
SF-2050 /2052 / 2150
2.General:
3.Description:
4.Action:
If the paper in the ADU unit is largely curled downward during copying on both sides, the
paper resupplied from ADU comes into contact with the sensor in front of PS roller. Since
the head of the paper is sometimes damaged to cause shrinkage because of the
resistance of the actuator, the following countermeasure is taken.
The damage of the paper is reduced by weakening the actuator spring of the sensor
(P/G 24 -13).
Sensor
Before change QSW-Z0492FCZZ (Spring, gold color, thicker wire diameter)
After change QSW-Z0157FCZZ (Spring, silver color, thinner wire diameter)
SF-2050 : First product of October, 1997
SF-2052 / 2150 : First mass production
SHARP CORPORATION Reprography Division
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Green
C
2. Change of shape of paper discharge cabinet installing plate due to addition of fan
1.Model Name:
2.General:
3.Action:
1.Model Name:
2.General:
SF-2050 / 2052 / 2150
As the countermeasure against double feed in ADU of SD-2052/SF-2052, the fan has
been added since 1st mass production but the shape of the paper discharge cabinet
installing plate is changed along with addition of the fan.
SF-2050 : Production of November, 1997 (running change)
SF-2052 / 2150 : First produced product
3. Increase of draw-in performance margin of 500 tray paper supply unit
SF-2050 / 2052 / 2150
In order to improve the draw-in performance of the 500 tray paper supply unit, the material
of the pick-up roller is changed.
Here, the part code of the 500 tray paper supply unit is changed along with the above
3.Action:
change.
Discrimination of new and old pick-up rollers
Before change Color of roller : Black
After change Color of roller : Green
SF-2050 : First product of September, 1997
SF-2052 / 2150 : First mass production
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Ref.
Model
No.
name
SF-2050
1
SF-2052
SF-2150
SF-2050
2
SF-2052
SF-2150
SF-2050
SF-2052
SF-2150
3
SF-2050
SF-2052
SF-2150
<Interchange>
1. Interchangeable. 4. Not interchangeable.
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 specified ones
for maintaining the safety and performance of the set.
Version P/G No.
24 -13 QSW-Z0492FCZZ QSW-Z0517FCZZ AR
11 -10 LPLTM4807FCZZ LPLTM4807FCZ1 AU
All
44 -4
61 -4
44 -4
70 -4
44 -901 DUNT-6546FC12 DUNT-6546FC14 BN
Current parts New parts
Parts code Parts code
NROLR0920FCZZ NROLR1114FCZZ AL
Price
rank
5. Interchangeable if replaced with same types of related
parts in use.
6. Others.
Parts name
DETECT
SENSOR N
DELIVERY
EXTERIOR
FIXING PLATE
PICK UP
ROLLER
500 TRAY
PAPER
FEEDING UNIT
Effec-
tive
change-
time
1st lot
’97/10
1st lot
Mid-
’97/11
1st lot 3
1st lot
’97/9
1st lot
1st lot
’97/9
1st lot 3
Inter-
ability
3
1
3
1
Note
3/3
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