EPSON Stylus Pro 3800/3800C/3850 Revision A
DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 114
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.
Figure 4-31. Removing the BOARD ASSY., MAIN
C H E C K
P O I N T
The BOARD ASSY., MAIN and the BASE, ENCLOSURE are
adhered to each other with the SHEET, HEATSHINK.
C A U T I O N
Do not put the board directly on conductive surfaces with its
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.
A D J U S T M E N T
R E Q U I R E D
Whenever the BOARD ASSY., MAIN is replaced,
the corresponding adjustments must be carried out.
See Chapter 5 "ADJUSTMENT" (p190).
HEATSINK
BOARD ASSY.,
MAIN
C.B.S. 3x6
C.B.S. 3x6
BASE, ENCLOSURE
SHEET,
HEATSHINK
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