Oki IP-6620 Maintenance Manual page 329

5.9.2 IC (EEPROM)
<Removal>
To remove the IC(EEPROM) on the PCB-ASSY-IPB5-100, insert a flat-head precision
screwdriver under it.
Notes
 Confirm that the power has been turned off before replacing the EEPROM.
 Take measures against static electricity.
 Pay attention not to bend the legs of the EEPROM when removing it.
 Pay attention to the position of the pin 1 when installing the EEPROM.
 The indentation on the pin 1 side should be placed on the right side. If the orientation of the
EEPROM is wrong, it will break when turning the printer on.
 See 6.7.1 PCB-ASSY-IPB5-100 and PCB-ASSY-ACT3 when replacing the IC(EEPROM).
5-170
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
IC(EEPROM)
OKI Data Infotech Corporation CONFIDENTIAL
PCB-ASSY-IPB5-100