OKI 2426 Manuale Utente

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Executive Series 2426 Printer Family User’s Guide
Troubleshooting  • 540
Print Quality Problems
Stripes:  White
The stripes appear in the same direction as the paper was printed 
(moved through the printer).
   
Stripes:  Black
The stripes appear in the same direction as the paper was printed 
(moved through the printer).
  
Possible cause
Remedy
LED head is dirty.
Clean LED head with lens cleaner or soft tissue.    
See “Cleaning the LED heads” on page 517.
Toner is low.
Image drum 
damaged.
Possible cause
Remedy
Image drum is 
damaged.
Toner is low.
Periodic black lateral 
lines or spots.                 
• If the lines or spots occur at intervals of approximately 
44 - 94 mm, the image drum (green tube) is damaged 
or dirty.             
If damaged, replace the image drum cartridge. 
If dirty, wipe the image drum gently with soft 
tissue. If this does not work, replace the image 
drum.
• If the lines or spots occur at intervals of approximately 
113 mm, the fuser roller is damaged. Change the 
fuser unit.            
The image drum has 
been exposed to light.
Remove the image drum from the printer and store it in 
a dark place for several hours. If this does not work, 
replace the image drum.