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)
Summary of Contents for Phaser 740
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Page 48: ...36 Phaser 740 and 750 Color Printers ...
Page 102: ...90 Phaser 740 and 750 Color Printers ...
Page 104: ...92 Phaser 740 and 750 Color Printers ...
Page 124: ...112 Phaser 740 and 750 Color Printers ...
Page 129: ...Service Guide 117 Figure 3 Motor and fan FRUs 3102 37 1 10 9 5 8 7 2 6 4 3 ...
Page 131: ...Service Guide 119 Figure 4 Sensor switch and flag FRUs 3102 40 1 7 2 3 4 8 5 6 ...
Page 135: ...Service Guide 123 Figure 6 Imaging and paper feed component FRUs 3102 39 1 2 3 7 9 4 6 8 5 ...