Epson Stylus Pro 7400 Service Manual page 233

EPSON Stylus Pro 7400/7800/9400/9800
3. Remove the seven screws that secure the BOARD ASSY., MAIN and remove it.
Seven C.C.S. M3 x 6 screws
Do not put the board directly on conductive surfaces with its
C A U T I O N
side that components are soldered to facing down.
A lithium battery is preinstalled on the boards provided as
service parts. So, direct contact between the board surface that
components are soldered to and conductive materials, or
putting conductive materials on the circuits must be avoided.
Whenever the BOARD ASSY., MAIN is replaced, the
A D J U S T M E N T
R E Q U I R E D
corresponding adjustments must be carried out.
page 292.
Disassembly & Assembly
See Chapter 5 on
Disassembly Procedure
C.C.S. 3x6
C.C.S. 3x6
Figure 4-40. Removing the BOARD ASSY., MAIN
Revision B
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