Epson 3800 Service Manual - Page 117

Board Assy., Sub

Page 117 highlights

EPSON Stylus Pro 3800/3800C/3850 4.3.4.4 BOARD ASSY., SUB 1. Remove the HOUSING, UPPER. (p106) 2. Remove the COVER, CR. (p150) C A U T IO N Do not disconnect/insert the FFCs from/into the connectors at an angle. Doing so may damage, short, or break the terminals in the connector resulting in a breakdown of the elements on the board. 3. Disconnect the all connectors and FFCs from the BOARD ASSY., SUB. Connect the FFCs to their correct positions matching the numbers written on the FFCs with those printed on the board as shown in Figure 4-29 and Table 4-3. 4. Remove the two screws that secure the BOARD ASSY., SUB to the CARRIAGE, ASSY., and remove the BOARD ASSY., SUB. „ Two C.B.S. 3 x 6 screws (6 ± 1 kgf.cm) Secure the grounding terminal of the MOTOR, INK SELECTOR together with the BOARD ASSY., SUB with the C.B.S. 3 x 6 screw on the right. See Figure 4-37. Table 4-4. List of Connectors on the BOARD ASSY., SUB Connector No. Color CN1 (FFC) CN2 White CN3 (FFC) CN4 White CN5 Black CN6 (FFC) Number of Pins Destination 17 BOARD ASSY., MAIN 2 MOTOR, INK SELECTOR 4 INK MARK SENSOR 3 APG SENSOR 3 SWITCH, INK SELECTOR 8 BOARD ASSY., DETECT, PW; B CN5 CN4 CN6 CN3 Revision A CN2 CN1 Figure 4-36. Connector Layout of the BOARD ASSY., SUB C.B.S. 3x6 The Board and the grounding terminal are secured together. BOARD ASSY., SUB Grounding Wire (MOTOR, INK SELECTOR) Figure 4-37. Removing the BOARD ASSY., SUB DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 117

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EPSON Stylus Pro 3800/3800C/3850
Revision A
DISASSEMBLY & ASSEMBLY
Disassembly/Assembly Procedure (Group 1)
117
4.3.4.4
BOARD ASSY., SUB
1.
Remove the HOUSING, UPPER.
(p106)
2.
Remove the COVER, CR.
(p150)
3.
Disconnect the all connectors and FFCs from the BOARD ASSY., SUB.
4.
Remove the two screws that secure the BOARD ASSY., SUB to the CARRIAGE,
ASSY., and remove the BOARD ASSY., SUB.
±
Two C.B.S. 3 x 6 screws (6 ± 1 kgf.cm)
Figure 4-36.
Connector Layout of the BOARD ASSY., SUB
Figure 4-37.
Removing the BOARD ASSY., SUB
C
A
U
T
I
O
N
Do not disconnect/insert the FFCs from/into the connectors at an
angle. Doing so may damage, short, or break the terminals in the
connector resulting in a breakdown of the elements on the board.
Connect the FFCs to their correct positions matching the numbers
written on the FFCs with those printed on the board as shown in
Figure 4-29
and
Table 4-3
.
Secure the grounding terminal of the MOTOR, INK SELECTOR
together with the BOARD ASSY., SUB with the C.B.S. 3 x 6 screw
on the right.
See Figure 4-37.
Table 4-4.
List of Connectors on the BOARD ASSY., SUB
Connector No.
Color
Number of Pins
Destination
CN1
(FFC)
17
BOARD ASSY., MAIN
CN2
White
2
MOTOR, INK SELECTOR
CN3
(FFC)
4
INK MARK SENSOR
CN4
White
3
APG SENSOR
CN5
Black
3
SWITCH, INK SELECTOR
CN6
(FFC)
8
BOARD ASSY., DETECT, PW; B
C
N
5
C
N
1
C
N
2
C
N4
C
N
6
C
N
3
C.B.S. 3x6
BOARD ASSY., SUB
The Board and the grounding
terminal are secured together.
Grounding Wire
(MOTOR, INK SELECTOR)