Repeating Print Defects On Print - Xerox Phaser 8400 Service Manual

Repeating Print Defects on Print

Step Question and Actions
1 Repeating defect 11.6 cm (4.58 in.) are caused by the transfix roller. Clean the transfix
roller. Defect does not move in X-position.
NOTE: To clean the transfix roller: use a rag saturated with a small amount of isopropyl
alcohol to lightly scrub the transfix roller.
2 If the problem persists, replace the transfix roller.
3 A single repeating defect on the page with the defect on each page having a different
Y-Axis position and is always in the same X-position is probably due to a defect on the
drum. home position of the drum changes every print. Clean or replace the drum
assembly.
5-20
The distance between each artifact of
a repeating image defect reveals
which imaging component is causing
the defect. Transfix Roller defects
show up as light spots in solid fill
areas.
s8400-165
Phaser 8400 Color Printer