Epson Stylus Pro 3800 - Paper Handling; Notes on Epson Special Media and Other Media

Epson Stylus Pro 3800/3800C/3850/3880/3885/3890 Revision C
DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 119
4.3.4.4 BOARD ASSY., SUB
1. Remove the HOUSING, UPPER. (p107)
2. Remove the COVER, CR. (p152)
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 4-4.
 Route the cables of the APG SENSOR (CN4) keeping them
from contact with the spring as shown below.
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.
Cables
CN4
Spring
APG SENSOR
Table 4-5. 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
CN5
CN1CN2
CN4 CN6 CN3
C.B.S. 3x6
BOARD ASSY., SUB
The Board and the grounding
terminal are secured together.
Grounding Wire
(MOTOR, INK SELECTOR)