Epson Stylus Pro 3850 - Removing the Circuit Boards

Epson Stylus Pro 3800/3800C/3850/3880/3885/3890 Revision C
DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 113
4.3.4 Removing the Circuit Boards
4.3.4.1 BOARD ASSY., MAIN
1. Pull out the BASE, ENCLOSURE. (p111)
2. Disconnect the all connectors and FFCs from the BOARD ASSY., MAIN.
Note that CN13 connector is locking the Power Board Cable. Be sure to unlock
CN13 to disconnect the cable.
Figure 4-29. Connector Layout of the BOARD ASSY., MAIN
Figure 4-30. Disconnecting the Power Board Cable from CN13
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.
 CN3, CN59 are not in use.
CN44
CN61
CN57
CN46
CN40
CN13
CN53
CN50
CN51
CN3
CN71
CN70
CN69
CN72CN64
CN49CN30
CN63
CN78
CN77
CN76
CN62
CN58 CN43 CN41
CN54
CN52
CN45
CN59
Power Board Cable
CN13
BOARD ASSY., MAIN