Date: Jul. 6, 1994
DUPLICATOR: SD-2060
No. : DTE-119
TROUBLE SHOOTING WHITE SPOT ON THE
REAR END OF BACK SIDE COPIES.
1.General: Problems with white spot occurring on the rear end of half tone, and back side copies
have occurred in the SD-2060 models. T o remedy the problem, the following changes
have been carried out. SD-3062 have been changed from first lot production.
2.Description: 1. Change in the TC / AC case unit.
By moving the copy point further down in the flow (on the AC side), sagging of the rear
end of the copy paper can be prevented.
Changed AC guide (Black → White).
Changed TC holder F.
Discontinued
TC holder spacer F.
Changed TC case.
The center plate has been moved
3.5 mm toward the AC side.
Change the number of AC wires from 2 to 1.
Changed TC holder R.
The position of the wire has
been moved 3.5 mm toward
the TC side only. On the AC
side it has been moved
downward 1 mm. (The same
change has been carried out
on TC holder F.)
Discontinued
TC holder spacer R.
Changed TC guide sheet
assembly.
TC electrode plate sheet assembly.
(CSHEP3636FC31)
Pre-transfer guide sheet
assembly.
SHARP CORPORATION Reprography Division
1/7
Green
C
In accordance with the change in the TC / AC case units, the adjustment values for the
printer charger drum current and break away voltage have changed.
Old New
Electric current of the printer charger drum.
Break away voltage. +320 ±20V +440 ±20V
-55 ±5µA
<
F-R 5µA
=
-50 ±5µA
<
F-R 7µA
=
2. Change in the center tray unit.
(Change in the transport path of the suction area, and addition of starting powder
coating below the suction belts affected by the change in the transport path, described
above.
Discontinuation of the S reinforcement paper guide. (quantity: 1).
Discontinuation of the S roller D shaft. (quantity: 2).
Discontinuation of M3 roller. (quantity: 4).
Discontinuation of SC DC brush. (quantity: 2).
Discontinuation of SUB P/G tape A. (quantity: 2).
Discontinuation of SUB P/G tape B. (quantity: 1).
Change in screw quantity (M4 x 8 tight). (10 → 4).
All parts within the outlined area
have been discontinued.
2/7
Starting powder coating.
Starting
powder
coating.
The parts codes for the center tray unit have been changed in accordance with the
changes described above.
3. Change in the suction fan unit.
The air volume control mylar has been discontinued to increase the suction absorption
capacity.
Air volume control mylar
4. Change in the front frame unit.
(Discontinued in accordance with the changes in the suction area, described above.)
Discontinuation of the upper suction guide. (quantity: 1).
Discontinuation of the front separation pawl. (quantity: 1).
Discontinuation of the rear separation pawl. (quantity: 1).
Discontinuation of the separation pawl washers. (quantity: 4).
Discontinuation of screw (M4 x 8 hexagonal) (quantity: 1).
Screw (M4 x 8 hexagonal).
Separation pawl F.
FU acuride attachment plate (right side).
Upper suction guide.
Separation pawl R.
Separation washer.
3/7
5. Change in pulleys in each of the drive units, main motor, multi, fusing, feeding.
Tightening of the internal diameter of the pulleys in the drive units listed above.
Transport drive pulley 32 T
NPLYZ0285F CZ Z → NPLYZ0285FCZ1 (main motor, multi drive units).
Feeding drive pulley 38T
NPLYZ0278F CZ Z → NPLYZ0278FCZ1 (main motor, fusing, feeding drive units).
Change in 32T and 38T pulleys in the main motor drive unit.
Changed 32T pulley.
Changed 38T pulley.
Change in 32T pulley in the multi drive unit.
4/7
Changed 32T pulley.
Change in 38T pulley in the fusing drive unit.
Changed 38T pulley.
Change in 38T pulley in the feeding drive unit.
Changed 38T pulley.
3.Action: (Factory action)
From 1993 December production.
Note: When changing various parts individually in machines already out on the market,
problems such as printing misalignment and white outs on the rear end of copies can
sometimes occur simultaneously.
Parts to be changed simultaneously
are shown below in the
chart.
Changed unit. Units
requiring change at the same time.
➀ TC/AC case unit. O X O XXXX
➁ Suction fan unit. O X O XXXX
➂ Center tray unit. O O O XXXX
➃ Front frame area. X X X XXXX
➄ Multi drive unit. O O X O X X X
➅ Main motor drive unit. O O X O X X X
➆ Fusing drive unit. O O X O X X X
➇ Feeding drive unit. XXXXXXX
➀➁ ➂➃ ➄➅➆➇
O: Change necessary. X: Change unnecessary (no problems).
5/7
Ref.
No.
Model
name
Version P/G No.
41 -8 CCASZ0248FC02 CCASZ0248FC03 AU
41 -7 LHLDZ1131FCZZ LHLDZ1209FCZZ AP TC holder F.
41 -4 LHLDZ1132FCZZ LHLDZ1210FCZZ AT TC holder R.
Current parts New parts
Parts code Parts code
Price
rank
Parts name
TC case
assembly.
Effec-
tive
time
Inter-
change-
ability
3
Note
1
2
SD-2060
SD-3062
All
All
(except
for the
UK).
41 -12 CSHEP3485FC01 CSHEP3635FC31 AS
41 -16 PSPAZ0629FCZZ Discontinued. — Holder spacer F.
41 -17 PSPAZ0628FCZZ Discontinued. —
41 -1 PGIDM0638FCZZ PGIDM1125FCZZ AE AC guide B7.
41 — CSHEP3636FC31 —
Pre transfer
guide sheet.
Holder spacer
R.
TC electrode
sheet.
5
SD-2060:
’93/12,
SD-3062:
1st lot.
41 -901 CCASZ0248FC51 CCASZ0248FC52 GT TC / AC unit. 3
30 -10 XHBSD40P08000 Change in quantity. —
30 -41
NROLP0650FCZZ Discontinued. — Roller M3. — Q’ty: 4
Screws
(M4 x 8 tight).
Q’ty:
—
10 to 4
30 -42 NSFTZ2035FCZZ Discontinued. — S roller D shaft. — Q’ty: 2
30 -43 PGIDM1477FCZ1 Discontinued. —
Sreinforcement
paper guide.
— Q’ty: 1
30 -44 PBRS0133FCZZ Discontinued. — SC DC brush. — Q’ty: 2
30 -45 PTPE-0192FCZZ Discontinued. — SUB PG tape A. — Q’ty: 2
30 -46 PTPE-0193FCZZ Discontinued. — SUB PG tape B. — Q’ty: 1
30 -901
DUNT-6621FC50 DUNT-6621FC53 CV Center tray unit.
3
31 -901
6/7
30 -901
U.K
DUNT-6621FC52 DUNT-6621FC54 CY Center tray unit. 3 U.K
31 -901
3
4
36 PSHEP3456FCZZ Discontinued. —
7
7
7
All
7
7
PGIDH1483FCZZ Discontinued. —
PTME-0224FCZZ Discontinued. —
PTME-0225FCZZ Discontinued. —
LX-WZ0324FCZZ Discontinued. —
LX-BZ0689FCZZ Discontinued. —
26 -28
5
NPLYZ0285FCZZ NPLYZ0285FCZ1 DS
27
Air volume
control mylar.
Upper suction
guide.
Separater pawl
F.
Separater pawl
R.
Separater pawl
washers.
Screw (M4 x 8
hexagonal).
Transport drive
pulley - 32T.
SD-2060:
’94/2,
SD-3062:
1st lot.
—
—
—
—
— Q’ty: 4
—
3 Q’ty: 2
23 -22
5 SD-2060 Export
<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 ype .
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 m ar ke d wi t h “ ” is i mp ort an t fo r m a inta i ni ng t he sa fe ty of t he s e t. B e su r e to re pl ace these pa rts wi t h
specified ones for maintaining the safety and performance of the set.
25 -16
27 -8
!
NPLYZ0278FCZZ NPLYZ0278FCZ1 DJ
5. Interchangeable if replaced with same types of
relate d parts in use .
6. Others .
Feeding drive
pulley - 38T.
SD-2060:
’94/2,
SD-3062:
1st lot.
3 Q’ty: 3
7/7
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