Oki PACEMARK 4410 Service Manual page 157

I Images are faint.
• End of Ink Ribbon life?
No Yes
• Replace Ink Ribbon.
• Head Gap adjusted properly?
Yes No
• Adjust it properly.
• Check +44V output at PMA-Board.
Slide Control Block toward outside without unplugging the cables. (Stop sliding when the cables
becomes straight. Do not extend the cables by force.)
• In this state, turn Printer on and check the voltage between CN3 -1 pin and CN3 Pin 12.
• More than +38V output?
Yes No
• Replace Power Supply Unit.
• Replace Print Head. Recovered?
No Yes
• End
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