Epson DFX 9000 Revision B
Disassembly and Assembly ROM BOARD 137
4.2.3.2 ROM BOARD
1. Remove the PR MECHA ASY (p. 149)
2. Remove the OP CABLE (p. 144)
3. Remove the two C.B.S. 3 × 12 screws that secure the Type B board
cover, and remove the Type B board cover.
4. Remove the five C.B.P. 3 × 10 screws that secure the ROM
BOARD.
5. Slightly lift the rear of the ROM BOARD to release it from the tabs,
and slide it to the front. Lift the rear of the ROM BOARD to remove
it upward.
Figure 4-10. ROM BOARD Removal (1)
W A R N I N G
Be careful with the edges of the shield plate, as they are
very sharp.
C H E C K
P O I N T
When replacing the ROM BOARD, be sure to first try to
backup the parameters stored on the EEPROM of the
board, using the “EEPROM Data Copy” function of the
adjustment program, before replacing it.
If you can successfully make a backup, all software
adjustment can be omitted by restoring the backed up
parameters to the replacement ROM BOARD.
C A U T I O N
When removing the ROM BOARD, be careful not to
snag the parallel I/F cable connector clasps. (A)
Remove the ROM BOARD slowly in order not to peel
off the cooling sheets shown in Figure 4-10
3)-1
3)-1
Type B board cover
Tabs
4)
4)
4)
4)
4)
ROM BOARD
Cooling Sheets
A