Lexmark X850e Connection Guide

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Print quality guide
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Print quality guide
You can solve many print quality problems by replacing a supply or maintenance item that has reached the end 
of its intended life. Check the operator panel for a message about a printer consumable.
Use the following table to find solutions to print quality problems.
Symptom
Cause
Solution
Repeating defects
Either the print cartridges are defective, 
the image transfer unit and transfer 
roller are defective, or the fuser is 
defective.
Marks occur repeatedly only in one 
color and multiple times on a page:
Replace the cartridge if the defects 
occur every:
– 38 mm spacing
– 46 mm (1.8 in.)
– 93.3 mm (3.7 in.)
Marks occur down the page 
repeatedly in all colors:
• Replace the transfer roll if the defects 
occur every 59.4 mm (2.3 in.)
• Replace the image transfer unit if the 
defects occur every 101 mm (4 in.)
• Replace the fuser if the defects occur 
every 148 mm (5.8 in.)
Marks occur on every third or sixth 
page in any color:
Replace the image transfer unit.
Color 
misregistration
Color has shifted outside of the 
appropriate area or has been 
superimposed over another color area.
Top to Bottom or Left to Right:
Re-seat the cartridges by removing 
them from the printer and then 
reinserting them.
Invoke a Color Adjust operation from 
the Settings
Æ Quality menu
White or colored 
line
Either the print cartridges are defective, 
the image transfer unit and transfer 
roller are defective, or the fuser is 
defective.
Replace the color print cartridge 
causing the line.
If you still have the problem, replace 
the image transfer unit and transfer 
roller.
If you still have the problem, replace 
the fuser.
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