Filter
Top Products
150
CHAPTER SEVENTEEN
DIFFICULTY SUGGESTIONS
Vertical streaks appear in Sometimes you may see vertical streaks on your copies.
copies. Either the scanner or the primary corona wire for printing is
dirty. Clean them both.
Printouts are too dark or Adjust the print conditions by setting the Print Density
light. function, It has been factory set to the middle position.See
“Setting the Print Density” in chap. 5.
Printed pages contain white You may fix this by wiping the scanner windows with a clean
stripes. soft cloth. (See “Regular Maintenance” and “Cleaning the
Drum Unit” in this chapter.) If you still see white stripes or
faint images and the display shows CHANGE DRUM SOON,
replace the drum unit with a new one.
Printed pages are stained Clean the machine’s interior and the primary corona
with toner or have vertical wire of toner cartridge. See “Regular Maintenance” and
stripes. “Cleaning the Drum Unit” in this chapter. Make sure that
the tab of the corona wire is at the home position. If after
cleaning, you still see dark stripes or toner stains and
the display shows CHANGE DRUM
SOON
, replace the
drum unit with a new one.
Printed pages have white Make sure that you use paper that meets the specifications.
spots in black text and Rough surface or thick media can cause the problem. If
you graphic areas. you still see white spots and the display shows CHANGE
DRUM
SOON
, replace the drum unit with a new one.
Toner scatters and stains Adjust the print conditions by setting the Print Density
the printed page. function. Clean the machine’s interior. See “Regular
Maintenance” and “Cleaning the Drum Unit” in this
chapter. Make sure that you use paper that meets
specifications. See chap. 18. If you still have scattered
toner and the display shows CHANGE DRUM
SOON
,
replace the drum unit with a new one.
The whole page is printed Wipe the electric terminals. Also, do not use heat-
black. sensitive paper as it will cause this problem. After
cleaning, if the printed pages are still black and the display
shows CHANGE DRUM
SOON
, replace the drum unit
with a new one.
Nothing is printed on the Make sure that the toner cartridge is not empty. Wipe the
page. electric terminals referring to “Regular Maintenance” and
“Cleaning the Drum Unit” in this chapter. Make sure
that a torn piece of paper does not remain on the scanner
window.
Copy Quality
Difficulties
Print Quality
Difficulties
White Stripes or
Faint lmages
Dark Stripes or Toner Stains
White Spots
Scattering Toner
White page
Black Page