Oki IP-6620 - Page 109

OKI Data Infotech Corporation CONFIDENTIAL
Chapter 3 Maintenance Mode Functions and Operations
3-69
(3) PH CHECK PATTERN
This menu is used to print a pattern to evaluate the need to replace the print heads.
Select PH CHECK PATTERN with the Up and Down buttons, and then press the OK button.
Move the cursor with the Right and Left buttons, and toggle a digit with the Up and Down
buttons.
A digit that has been toggled disappears.
Finish the selection and press the OK button.
Press the OK button to execute the operation.
The print head check pattern is printed.
>>PH CHECK PATTERN
EXECUTING...
>>PH CHECK PATTERN
EXECUTE OK? ◎
>>PH CHECK PATTERN
 PRINT HEAD : 1 5 ◎
>>PH CHECK PATTERN
 PRINT HEAD : 1234567 ◎
>PH MAINTENANCE
 PH CHECK PATTERN ◎