Xerox Phaser 6115MFP Service Manual page 170

Print-Quality Troubleshooting
5-12
Troubleshooting Reference Table
Applicable Parts
Scanner Unit, PL3.1.1
Troubleshooting Procedure Table
Step Actions and Questions
1 Execute a print job sent
from a computer.
Does the defect occur on
the printed output?
This defect often occurs
2
when foreign material (i.e.
paper dust, toner or other
material) deposits on the
document glass or CVT
window. The scanhead will
detect the foreign material
while scanning, and the
defect will appear as
streaks or spots on the
copy output.
Thoroughly clean both the
document glass and CVT
window. Does the defect
still occur?
Example Print
Chrysanthemum x morifolium
Yes
The problem is not
with Scanner Unit, it is
a problem within the
print image system.
Go to page 5-28 to
continue
troubleshooting the
image print image
process.
Print out new original.
If problem persists, go
to Step 3.
Phaser 6115MFP Multifunction Product Service Manual
Random Spots
No
The problem is
associated with the
scanner system.
Go to Step 2.
Complete.