Xerox 6200B - Phaser Color Laser Printer Service Manual page 122

Repeating and/or Random Spots
Spots of toner are randomly scattered across the page or at a fixed repeating interval.
Step Check
1 Print the Repeating Defects Page
from the Support<-> Improve Print
Quality? Menu.
Do the defects correspond to a
Customer Replaceable
Consumable?
See "Repeating Defects
Identification Chart" on page 95.
2 Does the image quality improve if
the Imaging Unit is replaced?
3 Check the Heat Roller and NIP Belt
in the Fuser Assembly for evidence
of contamination or damage. See
"Transfer Roller and Fuser
Assembly" on page 331.
4 Does the imaging quality improve if
the Transfer Roller is replaced?
5 Does the image quality improve if
the SUB HVPS is replaced?
6 Does the image quality improve if
the Laser Unit is replaced?
104
S6200-276
Yes
Replace the
indicated CRU.
Replace the
Imaging Unit (CRC),
PL 9.1.3
Replace the Fuser
Assembly, PL 8.1.1.
Replace the
Transfer Roller
(CRC), PL 8.1.12
Replace the
SUB-HVPS,
RRP 10.6.
Replace the Laser
Unit, RRP 9.1.
Phaser 6200 Color Laser Printer - Service Manual
No
Go to step [2].
Go to step [3].
Go to step [4].
Go to step [5].
Go to step [6].
Replace the Engine
Control Board,
RRP 12.7.