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magicolor 330 - Base Engine Service Manual 5-15
Primary Fault Isolation Procedures
5.6 - Vertical Streaks, continued
Step Actions and Questions Yes No
5
FUSER INSPECTION
1. Generate a test print and slide the Fuser Assembly out of the
printer just as the sheet of paper exits the Fuser.
2. Inspect the image on the sheet of paper just after the paper exits
the Fuser.
Is there a normal test print image on the sheet of paper before
entering the Fuser but the image has visible vertical streaks after
it exits the Fuser?
Go to step 6
6
1. Replace the Oil Roll Assembly (RRP 9.82).
2. Generate a test print.
3. Inspect the image on the sheet.
Is the image now normal, without vertical streaks as it exits the
Fuser?
Problem
Solved
Replace the
Pressure Roll
(RRP 9.83) and
the Heat Roll
(RRP 9.84)
7
1. Replace the Xerographic Cartridge (RRP 9.48).
2. Generate a test print.
Is the image now normal, without vertical streaks?
Problem solved Go to step 8
8
DEVELOPER ASSEMBLY INSPECTION
1. Remove the Top Cover (RRP 9.3).
2. Turn the Rotary Frame and inspect the Magnet Roll of each of
the four Developer Assemblies.
Do the Magnet Rolls of each Developer Assembly appear smooth,
evenly formed and without obvious contamination?
Go Suspect
Components
Replace the
faulty Devel-
oper Assembly