Oki IP-6620 Maintenance Manual page 208

AUTO NOZZ MAP ERROR
Lc Lm C Y K M Gy
<Description>
1 voltage variation error or 2 position adjustment error has not been detected but the total
number of clogged nozzles and overwrite protected nozzles exceeds the limit of 10.
<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
Firmware
1
The total number of clogged
2
nozzles
The media
3
Dirt or damage on the pattern
4
Dirt on the PCB-ASSY-ADJ1
5
sensor surface
The connection of the
6
PCB-ASSY-ADJ1 harness
connectors
The PCB-ASSY-ADJ1 harness
7
condition
PCB-ASSY-ADJ1
8
PCB-ASSY-HCB1M
9
SUBSCRIPTION CODE
HAS EXPIRED
<Description>
The expiration date for the subscription code has passed (23:59:59 of the expiration date).
<Action>
Enter a new subscription code.
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
< Error print result of automatic nozzle map >
nn
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◎
Upgrade the firmware to the latest version.
- Remove the unnecessary overwrite protection settings.
- Perform cleaning to clear the clogged nozzle.
- Replace print heads as necessary.
Try with a different media.
Try again with a media with no dirt or damage.
If soiled, clean the sensor surface with a soft cloth.
Check that the harness connectors are properly connected
to the board connectors.
- Check that the cables are not disconnected, caught in
order parts, and that the jackets are not damaged.
- Check that the AUTO ADJFFC,MW terminal is not
damaged.
- If a problem is found, replace the part.
Replace the PCB-ASSY-ADJ1.
Replace the PCB-ASSY-HCB1M.
ERROR 3 PERFORM CLEANING
3 Limit exceeded error
Action
5-49