Date: Feb. 27, 1997
COPIER : SF-2050
1.MEASURE TO IMPROVE THE EFFICIENCY OF THE DISCHARGE BRUSH IN
THE CURL CORRECTION UNIT.
2.MEASURE TO ALLEVIATE PROBLEMS OF STREAKING CAUSED BY THE
ROLLER OF THE PAPER DISCHARGE SECTION.
1. Measure to improve the efficiency of the discharge brush in the curl correction unit.
1.Model Name: SF-2050
2.General: In order to improve the static electricity removal of the curl correction un’s of the above
models during paper transmission, we have changed from non-conductive double-sided
tape for the static removal brush to conductive double-sided tape.
No. : SP-2104
3.Action: ∗1 Japanese production From 1996 mid-November production.
SMF production From 1996 November production.
2. Measure to alleviate problems of streaking caused by the roller of the paper
discharge section.
1.Model Name: SF-2050
2.General: Lines may be transferred to the paper from the roller in the paper discharge section of
the above models. To prevent this, we have made the following changes to the paper
discharge reverse section.
SHARP CORPORATION Reprography Division
1/3
Green
C
3.Description: (1) Addition of a C-roller chamfer to the corner of the paper delivery roller.
(2) Change in the spring pressure of the drive roller.
(3) Addition of a washer to control the position of the drive roller.
Added washer LX-WZ0139FCZZ
Changed drive roller
SP-A (black)
MSPRT2586FCZZ
New Drive roller SP-A (black) — free length 16 mm ← use the longer shaft
{
Drive roller SP-B (r ed) — free l engt h 18 mm ← use the short er shaf t
(Old) Drive roller SP (silver) — free lengt h 15 m m
Roller change content
Changed drive roller SP-B (red)
MSPRT2587FCZZ
Changed paper delivery roller HA
New
Old
With the exception of the center section, roller chamfers
have been added to the edges of both sides of the roller.
4.Action: ∗2 Japanese production From 1996 mid-October production.
French production From 1996 October production.
2/3
Ref.
No.
Model
name
Version P/G No.
Current parts New parts
Parts code Parts code
Price
rank
Parts name
Effec-
tive
time
Inter-
change-
ability
Note
1
SF-2050 All
2
<Interchange>
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 t y 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 la c e of c u rr en t ty p e.
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.
27 -20
20 -15 NROLR1070FCZ1 NROLR1070FCZ2 AR Paper delivery roller
20 -3 MSPRT2075FCZZ Discontinued — Drive roller SP 6 Q’ty: 4
20
!
PBRSR0148FCZZ PBRSR0148FCZ1 AL Discharge brush ∗1
— MSPRT2586FCZZ
— MSPRT2587FCZZ Drive roller SP B
— LX-WZ0139FCZZ AA Washer 6
5. Interchangeable if replaced with same types of
relate d parts in use .
6. Others .
Drive roller SP A
AC
∗2
3
3 Q’ty: 2
3/3
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