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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. Change toner cartridge.
See “Changing the Toner Cartridge” on page 498.
Image drum
damaged.
Change image drum.
See “Changing the Image Drum” on page 505.
Possible cause Remedy
Image drum is
damaged.
Replace image drum.
“Changing the Image Drum” on page 505.
Toner is low. Change toner cartridge.
See “Changing the Toner Cartridge” on page 498.
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.
See “Changing the Fuser” on page 514.
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.