Oki IP-6620 Maintenance Manual page 190

PRIME INK SYSTEM
<Description>
The ink system is not primed.
<Action>
Follow the instruction in the message displayed.
If this message is displayed while the ink system has been primed, set the service menu INK
SYSTEM STATUS to PRIMED.
If the message is still displayed, check the Items to be Checked on the table below, and perform
the actions starting from the top until the problem is solved.
No Items to be Checked
1 Firmware
2 EEPROM
3 PCB-ASSY-IPB5-100
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
Upgrade the firmware to the latest version.
Replace the EEPROM (see 5.9.2).
Replace the PCB-ASSY-IPB5-100.
Action
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