Epson AcuLaser C2900N Service Manual page 448

Chapter 3 Removal and Replacement Procedures Revision B
[Replacement]
Note: Ensure proper electrostatic discharge procedures are followed to prevent damage to the
PWBA ESS SFP and options during replacement.
Note: The replacement steps of procedure 1) to 3) are to be required for changing the PWBA
ESS SFP. Those steps are not required for only removing it.
Note: Avoid applying excessive pressure when removing and replacing the ROM chips.
Note: Take care not to bend the terminal section of ROM when carrying out the job described
below.
1) Remove the ROM, using a miniature
screwdriver or the like, from the IC sockets
on old PWBA ESS SFP that was removed
from the printer.
2) Remove the ROM from IC socket on
new PWBA ESS SFP using a miniature
screwdriver or the like.
Note: Do not use ROMs removed from new PWBA ESS SFP.
3 - 194 Confidential
Epson AcuLaser C2900N