Epson Stylus Pro 3800 Service Manual page 119

Epson Stylus Pro 3800/3800C/3850/3880/3885/3890
4.3.4.4 BOARD ASSY., SUB
1. Remove the HOUSING, UPPER.
2. Remove the COVER, CR. (p152)
Do not disconnect/insert the FFCs from/into the connectors at an
C A U T I O N
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
Route the cables of the APG SENSOR (CN4) keeping them
from contact with the spring as shown below.
Spring
APG SENSOR
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.
DISASSEMBLY & ASSEMBLY
(p107)
and Table 4-4.
Cables
CN4
Disassembly/Assembly Procedure (Group 1)
Table 4-5. List of Connectors on the BOARD ASSY., SUB
Connector No. Color Number of Pins
(FFC)
CN1 17
White
CN2 2
(FFC)
CN3 4
White
CN4 3
Black
CN5 3
(FFC)
CN6 8
CN5 CN4
CN2
Figure 4-36. Connector Layout of the BOARD ASSY., SUB
C.B.S. 3x6
BOARD ASSY., SUB
Figure 4-37. Removing the BOARD ASSY., SUB
Revision C
Destination
BOARD ASSY., MAIN
MOTOR, INK SELECTOR
INK MARK SENSOR
APG SENSOR
SWITCH, INK SELECTOR
BOARD ASSY., DETECT, PW; B
CN6 CN3
CN1
The Board and the grounding
terminal are secured together.
Grounding Wire
(MOTOR, INK SELECTOR)
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