Service Guide
111
Phaser 750
Swap components.
If you are replacing the image processor board, transfer
from the old board to the new board.
■
The 8-pin NVRAM chip (DIP). It contains important customer-created
parameters. The printer may not operate correctly without the NVRAM
chip being swapped.
■
The RAM module(s) 1 and 2
■
The network card or internal hard drive (if installed)
■
PostScript ROM DIMM (if installed)
Note
If any DIP switches are mounted on the board, they should be set to
“Open.”
Removing the image processor board
740-4-40
Image
processor
board
3102-43
RAM
module 1
RAM
module 2
NVRAM
Battery
(not replaceable)
CPU
Network
card or
hard disk
drive
PostScript ROM DIMM
(updates standard PostScript
ROM soldered to board)