Date: Jan. 13, 1994
LASER PRINTER: JX-9400
1. PCU CIRCUIT BOARD PARTS CHANGE TO IMPROVE IMAGE QUALITY.
2. PS GUIDE ASSEMBLY CHANGE IN ACCORDANCE WITH CHANGE IN PS
SHEET C.
3. CHANGE IN PARTS IN ACCORDANCE WITH ELECTROMAGNETIC
INTERFERENCE LEVEL IMPROVEMENTS.
No. : LPE-180
1. PCU circuit board parts change to improve image quality.
1.Model name: JX-9400
2.General: The parts changes and additions described below have been carried out to maximize
black and white distinction in the main scanning direction.
3.Description: The parts changes and additions described below have been carried out.
Parts name (location) Description Remarks
IC2 LS00 HC00
R2 6.2KΩ 2.2KΩ
R6 10Ω 5.6KΩ
R12 4.7KΩ 560Ω
Capacitor (added) 100 pF
<Current> <New>
Change
Change
Change
Change
Added between the No. 2 pin and the No. 4 pin
of integrated circuit 2 on the soldered side of
the circuit board.
4.Action: From 1993 June production.
SHARP CORPORATION Printer and Scanner Division
1/5
Orange
C
2. PS guide assembly change in accordance with change in PS sheet C.
1.Model name: JX-9400 / 9400PS / 9460 / 9460PS / 9600 / 9600PS
2.General: The PS sheet attached to the PS guide has been changed to improve productivity and
product quality.
3.Description: To improve productivity and product quality.
PS guide parts.
Changed PS sheet C.
4.Action: From 1993 September production.
3. Change in parts in accordance with electromagnetic interference level
improvements.
1.Model name: JX-9460 / JX-9460PS
2.General: Parts have been changed in accordance with electromagnetic interference level
improvements.
3.Description: ➀ The shape of the AC grounding plate has been changed to increase the connecting
surface area of the shield plate and the base plate.
2/5
AC grounding plate.
<Current>
<New>
➁ The AC rounding tape and filament tape which had been affixed to the AC grounding
plate and base plate has been eliminated in accordance with the change in the AC
grounding plate.
Base plate.
Eliminated AC grounding tape.
➂ ICU shield sheet A has been eliminated and an FCC shield sheet, which has a larger
shielding area, has been added. This change has been carried out to prevent jumping
of electric waves.
Eliminated ICU shield sheet.
Added FCC shield sheet.
3/5
➃ The TM grounding spring has been eliminated.
➄ A TM shield plate and screw has been added to prevent jumping of electric waves
from the left side of the machine (for the 200 V line only).
Added TM shield plate.
Added screw (M3 x 8 P-tight).
Eliminated TM grounding spring.
Eliminated screw.
➅ An electric discharge brush has been added to the base plate (for the 200 V line
only).
4.Action: From 1993 October production.
Base plate.
Added electric discharge brush.
4/5
Ref.
Model
No.
1 JX-9400
2
JX-9460
JX-9460PS
3
<Inter ch ang e>
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 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.
name
Version P/G No.
9 -40
9 -48
9 -52 VRD-RC2EY100J VRD-RC2EY562J AA
9 -58
9 — VCKYPU1HB101K AA
All
2 -14 CGIDM0033GC01 CGIDM0033GC02 AT PS guide parts ’93/9 1
3 -38 QEARP0009GCZZ QEARP0011GCZZ AK
2 -85
2 -74
3 -26
3 -15 — XEBSD30P08000 AA Screws (3 x 8) ’93/10 6
3 — LPLTM0155GCZZ AF TM shield plate ’93/10 6
200 V
series
3 — XEBSD30P08000 AA Screws (3 x 8) ’93/10 6
2
!
Current parts New parts
Parts code Parts code
VHISN74LS00-1 VHISN74HC00-1 AD IC (SN74HC00) ’93/6 3 IC2
VRD-RC2EY622J VRD-RC2EY222J AA
VRD-RC2EY472J VRD-RC2EY561J AA
PTEP-0007GCZZ — —
PSHEP0080GCZZ PSHEP0107GCZZ AF FFC shield sheet ’93/10 3
MSPRC0123GCZZ — —
— PBRSS0005GCZZ AD
Price
5. Interchangeable if replaced with same types of
relate d parts in use .
6. Others .
Parts name
rank
Resistor (1/4W
2.2 KΩ ±5%)
Resistor (1/4W
5.2 KΩ ±5%)
Resistor (1/4W
560 Ω ±5%)
Capacitor
(50 WV 100pF)
AC grounding
plate N
AC grounding
tape
TM grounding
spring
FCC electric
discharge brush
Effec-
tive
time
’93/6 3 R2
’93/6 3 R6
’93/6 3 R12
’93/6 6
’93/10 3
’93/10 6
’93/10 6
’93/10 6
Inter-
change-
ability
Note
Q‘ty:
13 to 12
Q‘ty:
2 to 3
5/5
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