Oki IP-6620 - Page 185

OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-26
(CIS model)
(With the ink box cover closed)
(With the ink box cover open)
<Description>
Possible causes are as follows:
- One ink cartridge is not installed to the
printer.
- The contact of the electrode used to check
that an ink cartridge is installed is
defective.
- The harness, connectors, or boards
connected to the electrode above are
defective.
<Action>
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
Action
1
Firmware
Upgrade the firmware to the latest version.
2
Contact between the ink cartridge
electrode and the PCB-ASSY-INK4
connector.
Reinstall the ink cartridge. If the problem is not solved,
softly wipe the ink cartridge electrode and the
PCB-ASSY-INK4 connector using a soft cloth or lint-free
paper dampened with ethanol.
3
PCB-ASSY-INK4’s connector
connection
Check that the harness connectors are connected to the
PCB-ASSY-INK4’s connector securely.
4
PCB-ASSY-ACT3’s connector
connection
Check that the harness connectors are connected to the
PCB-ASSY-ACT3’s connector securely.
5
CABLE(Cartridge)-ASSY(MW)’s
condition
Check that the condition is proper as follows.
- The connectors are connected securely.
- The cable is not disconnected.
- The harness is not pinched by other parts.
- The cable jacket is not damaged.
6
INKBOX-UNIT-MW’s condition
Check that no part is misaligned, worn, or damaged.
Reassemble the ink box or replace a part as necessary.
7
PCB-ASSY-ACT3
Replace the PCB-ASSY-ACT3.
SET CC INK CARTRIDGE
NO CC CARTRIDGE
OPEN INK BOX COVER
CC: Color, position
7-color mode: Y, Lm, C, Gy, K, Lc, M
6-color mode: Y, Lm, C, K, Lc, M