Epson DFX-9000 Service Manual page 144

Epson DFX 9000
4.2.3.2 ROM BOARD
Be careful with the edges of the shield plate, as they are
W A R N I N G
very sharp.
When replacing the ROM BOARD, be sure to first try to
C H E C K
P O I N T
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.
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.
When removing the ROM BOARD, be careful not to
C A U T I O N
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
Disassembly and Assembly
Figure 4-10
ROM BOARD
4)
4)
A
3)-1
3)-1
Tabs
Type B board cover
Figure 4-10. ROM BOARD Removal (1)
Revision B
4)
4)
4)
ROM BOARD
Cooling Sheets
137