Oki IP-6620 Maintenance Manual page 133

3.4.3.5 CHECK PATTERN
(1) NOZZLE CHECK
Select NOZZLE CHECK with the Up and Down buttons, and then press the OK button.
>CHECK PATTERN
 NOZZLE CHECK
Press the OK button to confirm the execution.
>>NOZZLE CHECK
EXECUTE OK?
You may press the CANCEL button to interrupt the printing.
>>NOZZLE CHECK
EXECUTING...
(2) PH SLANT CHECK
Select PH SLANT CHECK with the Up and Down buttons, and then press the OK button.
>CHECK PATTERN
 PH SLANT CHECK
Press the OK button to confirm the execution.
>> PH SLANT CHECK
EXECUTE OK?
You may press the CANCEL button to interrupt the printing.
>> PH SLANT CHECK
EXECUTING...
(3) ADJUSTMENT CHECK
Select ADJUSTMENT CHECK with the Up and Down buttons, and then press the OK button.
>CHECK PATTERN
 ADJUSTMENT CHECK
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 3 Maintenance Mode Functions and Operations
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