HP color laserjet 4500 Manuale Utente
188 Chapter 9 Image quality
EN
•
If the problem is dust, remove the dust with isopropyl alcohol applied
with a lint-free, static-free wipe. Try this only if the print defect is
unacceptable and the only other alternative is replacing the imaging
drum.
with a lint-free, static-free wipe. Try this only if the print defect is
unacceptable and the only other alternative is replacing the imaging
drum.
•
Defects caused by exposure to light might clear up over time. If
severe, replace the imaging drum.
severe, replace the imaging drum.
Defect spacing chart
Consumable
Roller
Distance
Drum
Charge roller
40 mm
(1.6 in)
(1.6 in)
Imaging drum
152 mm
(6 in)
(6 in)
Developer sleeve
Black developer
37 mm
(1.5 in)
(1.5 in)
Color developer
30 mm
(1.2 in)
(1.2 in)
Fuser
131 mm
(5.2 in)
(5.2 in)
ITB
ICL roller
40 mm
(1.6 in)
(1.6 in)
Transfer roller
53 mm
(2.1 in)
(2.1 in)