Oki IP-6620 - Page 248

248
Troubleshooting
4
>STRONG
2
PRINT HEAD:1234567
, ,
Select the print heads to clean.
The correspondence between the ink colors and the print
head numbers is shown in the table below.
Head group 1 Head group 2 Head group 3
Lc Lm C Y K M Gy
1 2 3 4 5 6 7
(1) Press the Left and Right buttons to select the print head
number.
(2) Then press th Down and Up buttons to display or hide
the number. Display it to clean the print head, or hide it
not to clean the print head.

You cannot select print heads independently
to clean them if a given length of media has
been printed since the last cleaning operation.
5
>STRONG
2
PRINT HEAD: 34567
Press the OK button.
In the example to the left, the print heads C, Y, and K, and M
and Gy will be cleaned.
6
>STRONG 34567
BOTTLE IS EMPTY?
Press the OK button.
Check visually that the waste ink bottle is not full.
PH RECOVERING 34567
REQUIRED TIME 2:40
The time is counted down every ten seconds.
Cleaning starts.
Print head cleaning takes several minutes.
When the cleaning starts, the required time is displayed and
the time is counted down every 10 seconds.
7
PRINTER READY
01: PAPER / 1626mm
The cleaning is complete.
The printers return to its state before cleaning.
- Online idle and online: Switches to online state
- Printing: Resume printing
- In pause: Stays in pause