HP 33440/HP
33449 COMBINED
SERVICE
MANUAL
Repetitive Defect Ruler, HP 33440 and HP 33449
Repetitive print defeck are usually associated tith a specific roller tithin the printer or the EP-S
Cartridge. The folloting diagram illustrates the diameters of the main printer rollers in a linear
format. To use the diagram, align the first occurrence of the defect tith the top of the "'ruler" and
measure to the ne~ occurrence of the defect to determine the roller in question.
Firsl occurrence
of the print defect
Rcgistfiltion :tsscml~ly tr~lnsrcr roller
().5 in (13 mm)~
Upper registr:ltion roller
1.5 in (38 mm) ~-
Lo\vcr rcgistrtltion roller
1.75 in (44
mm) ~–
EP cartridge clcvclopcr roller
2.0 in f51 mm)~
Lo\Ycr fusing ~Isscm~Ily roller
2.56
in
(65 mnl)~
Upper fusing asscm[>ly roller
3.16 in (80 mm) ~-
EP cartridge pllotoconcluctivc
drum
3.7j in ({)5 nlnl)~
Figure 7-32. Repetitive
Defect Ruler
7-87