OKIDATA Pacemark 3410 Service Manual page 155

Uneven Print Density
Possible Causes:
1. Printhead gap not within specification. Perform the printhead gap adjustment.
2. Defective platen. Replace the platen.
Smeared Print
Possible Causes:
1. Head gap lever is in the incorrect position. Place the lever in correct position.
2. Paper is not within specification. Refer to Section One for paper specification.
3. Ribbon protector is missing or broken. Replace the ribbon protector.
Inconsistent Line Feed
Possible Causes:
1. Power OFF the printer. Turn the platen knob. The platen should rotate smoothly. If it does not, remove
the cause of the binding.
2. Make sure that the line feed belt tension is within specification. If it is not, tighten the line feed belt.
3. Defective line feed motor. Replace the line feed motor.
Drifting Margin
Possible Causes:
1. Power OFF the printer. Move the carriage assembly. The carriage should move smoothly. If it does not,
remove the cause of the binding.
2. Make sure that the space belt tension is within specification. If it is not, tighten the belt.
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