Oki IP-6620 Maintenance Manual page 64

(h) COLOR HISTORY
>>>CC COLOR HISTORY
↕ K C M Y Lc Lm Gy
CC: Print head color
The ink colors that have been used are displayed.
If the information cannot be determined because of the case below:
- No print head is installed on the printer; or
- A print head information error is detected,
?? is displayed.
Example: When Y and Lc ink have been used, Y Lc is displayed.
(i) PRINT HEAD TYPE
>>>CC PRINT HEAD TYPE
↕ X
CC: Print head color
X:
If the information cannot be determined because of the case below:
- No print head is installed on the printer; or
- A print head information error is detected,
? is displayed.
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Print head type
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 3 Maintenance Mode Functions and Operations