Oki IP-6620 Maintenance Manual page 62

(b) SERIAL NUMBER
>>>CC SERIAL NUMBER
 XXXXYYYYYY
CC: Print head color
XXXX: Four ASCII characters
YYYYYY: Serial number (without zero suppression)
(c) VOLTAGE RANK A
>>>CC VOLTAGE RANK A
 XX. XV
CC: Print head color
XX.X: Print head voltage rank (aligned to the left)
Unit
Range
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,
??.?V is displayed.
(d) VOLTAGE RANK B
>>>CC VOLTAGE RANK B
 XX. XV
CC: Print head color
XX.X: Print head voltage rank (aligned to the left)
Unit
Range
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,
??.?V is displayed.
3-22
V
00.0 to 99.9
V
00.0 to 99.9
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 3 Maintenance Mode Functions and Operations