Foggy Background - Xerox Phaser 6121MFP Service Manual

Print-Quality Troubleshooting

Foggy Background

Initial Actions
5-12
The background image is either distorted or foggy.
Perform the initial actions listed on page 5-5.
Troubleshooting Reference Table
Applicable Parts
Scanner Unit, PL2.0.4
Toner Cartridge (See consumables
parts list)
Imaging Unit, PL4.0.13
Laser Unit, PL4.0.2
Troubleshooting Procedure Table
Step Actions and Questions
1 Print Test Pattern 3 (see
page 5-7).
Does the defect occur on
the printed output?
2 This defect often occurs
when copying books or
other material that
prevents the ADF from
fully closing. If the ADF
does not fully close,
external light can produce
background on the copy.
Open and Close the ADF
and verify it closes
completely.
Does the defect still
occur?
Example Print
Chrysanthemum x morifolium
Background Contamination
Yes No
The problem is in the The problem is in the
print image system. Scanner system. Go
Go to step 4. to step 2.
Go to step 3. Complete.
Phaser 6121MFP Service Manual