HP LaserJet 4000 Printer series - Manual (Page 94)

EN
Chapter 4: Problem Solving 83
1. Paper might be too smooth.
Ligh
t Prin
t or Fa
de
To
n
e
r Sp
ec
ks
Dropo
uts
L
ines
Gra
y
Ba
ck
grou
nd
To
ner Smear
Lo
os
e Ton
er
Repe
atin
g
Defect
s
Mi
sf
orme
d
Ch
ara
c
ters
Pa
ge
S
k
e
w
Curl or Wave
Wri
nk
le
s or
Crea
ses
Troubleshooting Steps
(Follow the steps in the
order they are listed.)
✓ ✓ ✓ ✓ ✓ ✓ 1. Print a few more pages to see if the
problem will correct itself.
✓ ✓ ✓ 2. Clean the inside of the printer or use the
printer’s cleaning page.
✓ 3. Make sure EconoMode is off in the
software and in the control panel.
✓ ✓ 4. Turn over the stack of paper in the tray.
Also try rotating the paper 180°.
✓ ✓ ✓ 1 ✓ ✓ 1 ✓ 1 ✓ 1 ✓ ✓ ✓ 5. Check the paper (or other print media)
type and quality.
✓ ✓ ✓ ✓ ✓ 6. Check the printer’s environment .
✓ ✓ 7. Make sure paper is loaded correctly and
that the guides fit properly against the
paper stack.
✓ ✓ 8. Print to a different output bin.
✓ ✓ ✓ 9. Adjust the toner density setting.
✓ ✓ 10. Change the fuser mode setting to High
or choose rough paper type from the
printer driver.
✓ 11. Redistribute the toner in the toner
cartridge.
✓ ✓ ✓ ✓ ✓ ✓ ✓ 12. Install a new HP toner cartridge. (See
instructions with the toner cartridge.)
✓ ✓ 13. To alternate small and standard paper,
from the Configuration Menu set
5/#..2#2'452''& 5.19
.
✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ 14. After trying all the steps suggested
above, contact an HP-authorized
service or support provider. (See the
HP Support pages at the front of this
user’s guide.)