Instruction Manual
Solving Print Quality Problems
Chapter 6: Troubleshooting  ❖   6-15
Repetitive horizontal dark 
streaks
Black lines running across the page 
perpendicular to the direction of 
paper movement
Contaminated paper path Clean paper path. Print several 
blank sheets of paper to remove 
any toner accumulations
Defective Printer Cartridge, or the 
Printer Cartridge is at its end of life
Replace Printer Cartridge
(Perform the Printer Cartridge 
cleaning procedure discussed on 
page 6-16 before replacing the 
Printer Cartridge)
Dark spots/marks
Contaminated paper path Clean paper path. Print several 
blank sheets of paper to remove 
any toner accumulations
Defective Printer Cartridge Replace Printer Cartridge
(Perform the Printer Cartridge 
cleaning procedure discussed on 
page 6-16 before replacing the 
Printer Cartridge)
Unfused or partially fused 
image
The printed image is not fully fused 
to the paper and easily rubs off
Damp paper stock Replace paper stock
Heavy or unusual paper stock Use only approved paper/media
Use thick paper setting for heavy 
stock
Defective Fuser Module Contact your dealer or Xerox/Rank 
Xerox
Wrinkled prints
Prints are wrinkled, creased, or 
torn
Poor paper condition Inspect/replace paper stock
Paper is damp Replace paper stock
Fuser module is at its end of life Contact your dealer or Xerox/
Rank Xerox
Blurred prints
Image is blurred at the edges
Poor paper condition Inspect/replace paper stock
Paper is damp Replace paper stock
Contaminated Printer Cartridge Replace Printer Cartridge
(Perform the Printer Cartridge 
cleaning procedure discussed on 
page 6-16 before replacing the 
Printer Cartridge)
Table 6.3 Solving print quality problems (continued)
Problem Possible Cause(s) Corrective Action(s)
Table6.3  Page3 of 4
4508-c06.frm Page 15 Wednesday, May 22, 1996 7:48 AM










