Epson Stylus Pro 3800 Service Manual page 115

Epson Stylus Pro 3800/3800C/3850/3880/3885/3890
3. Remove the nine screws that secure the BOARD ASSY., MAIN to the BASE,
ENCLOSURE.
Nine C.B.S. 3 x 6 screws (6 ± 1 kgf.cm)
4. Remove the HEATSINK of the BOARD ASSY., MAIN to remove it from the
BASE, ENCLOSURE to remove the BOARD ASSY., MAIN.
5. Peel off the SHEET, HEATSHINK from the HEATSHINK of the BOARD
ASSY., MAIN.
The BOARD ASSY., MAIN and the BASE, ENCLOSURE are
C H E C K
P O I N T adhered to each other with the SHEET, HEATSHINK.
Do not put the board directly on conductive surfaces with its
C A U T I O N
component side is facing down.
A lithium battery is pre installed on the boards provided as
service parts. Therefore, direct contact between the component
side of the board and conductive materials, or putting
conductive materials on the circuits must be avoided.
DISASSEMBLY & ASSEMBLY
HEATSINK
SHEET,
HEATSHINK
C.B.S. 3x6
Disassembly/Assembly Procedure (Group 1)
C.B.S. 3x6
BASE, ENCLOSURE
Figure 4-31. Removing the BOARD ASSY., MAIN
Revision C
BOARD ASSY.,
MAIN
115