5-24 Phaser 6121MFP Service Manual
Print-Quality Troubleshooting
Blurred Image
The overall image density is blurry.
Initial Actions
Perform the initial actions listed on page 5-5.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Laser Unit, PL4.0.2
■ Imaging Unit, PL4.0.13
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Inspect the Laser Unit.
Is the window surface 
dirty?
Carefully clean the 
window surface. If 
the problem persists, 
go to step 2.
Go to step 2.
2 Has the problem been 
eliminated?
Complete. Replace the following 
units, listed in order, 
until problem is 
eliminated:
Imaging Unit 
(page 8-6),
Laser Unit 
(page 8-50).
Fuzzy Text
Chrysanthemum x morifolium
nthemum xChrysanthemum x morifolium
nthemum xChrysanthemum x morifolium