Unisys EFP9800 Series User Manual

 

 

4–6  

3255 

4073–002 

Ribbon cassette worn 

Replace the ribbon cassette.  

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

Slip out of specification 

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. 

Printhead gap too large or small 

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. 

Some Dots are Printing Light 

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

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

Ribbon worn 

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