Unisys EFP9800 manual Overall Print is Light or Smudged, Action

When Something Goes Wrong

Overall Print is Light or Smudged

Cause

Ribbon cassette worn

Slip out of specification

Printhead gap too large or small

Some Dots are Printing Light

Cause

Printhead worn; causing some dots to print light on a consistent basis

Ribbon worn

Action

Replace the ribbon cassette.

For step-by-step instructions, see “Changing the Ribbon Cassette” in section 2.

Check that the slip you are using meets the specifications for the EFP9800 printer. For more information see, “Ordering Paper and Supplies” in section 1.

Slips should not be more than five parts thick. Total thickness should be no greater than 0.014 inches (0.355 mm).

Note: The receipt is included as one or two of the parts depending if it is one-ply or two-ply.

Five-part slips should be double-printed by the host computer program.

Some slips may have poor quality carbons or chemicals that don’t react properly, causing poor print quality.

If the print is light, the gap between the printhead and the paper may be too large; if print is smudged, the gap may be too small. Adjust the printhead gap.

Open the cover and the clamshell. Move the anti-rotation bearing one click to the back to decrease the printhead gap or one click to the front to increase the printhead gap.

See “Adjusting the Printhead Gap” in section 3 for an illustration and instructions.

Action

The printhead must be replaced. Contact a Unisys- authorized service representative..

Check for wear in the ribbon and replace the cassette if necessary. For more information, see “Changing the Ribbon Cassette” in section 2.

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