
Note:
The entire length of the connector on the card must touch and be flush against the controller
board.
Warning—Potential Damage:
Improper installation of the card may cause damage to the card and the
controller board.
6
Close the access cover.
7
Connect the power cord to the printer, and then to the electrical outlet.
CAUTION—POTENTIAL INJURY:
To avoid the risk of fire or electrical shock, connect the power cord
to an appropriately rated and properly grounded electrical outlet that is near the product and easily
accessible.
8
Turn on the printer.
Installing a printer hard disk
CAUTION—SHOCK HAZARD:
To avoid the risk of electrical shock, if you are accessing the controller
board or installing optional hardware or memory devices sometime after setting up the printer, then turn
the printer off, and unplug the power cord from the electrical outlet before continuing. If you have any
other devices attached to the printer, then turn them off as well, and unplug any cables going into the
printer.
1
Turn off the printer.
2
Unplug the power cord from the electrical outlet, and then from the printer.
3
Using a flat
‑
head screwdriver, open the controller board access cover.
Warning—Potential Damage:
Controller board electronic components are easily damaged by static
electricity. Touch a metal surface on the printer before touching any controller board components or
connectors.
4
Unpack the printer hard disk.
Upgrading and migrating
191
Summary of Contents for M5255
Page 107: ...2 Remove the toner cartridge 3 Remove the used imaging unit Maintaining the printer 107 ...
Page 118: ...2 Remove the used pick roller 3 Unpack the new pick roller Maintaining the printer 118 ...
Page 119: ...4 Install the new pick roller 5 Close the multipurpose feeder Maintaining the printer 119 ...
Page 141: ...2 Remove the staple cartridge holder 3 Remove the loose staples Clearing jams 141 ...