5-56 Phaser 6180 Color Laser Printer Service Manual
Print-Quality Troubleshooting
Color Registration
A printed yellow or black image is not overlapped on a cyan or magenta image 
correctly.
Initial Actions
■ Check the paper transfer path.
■ Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Notes Example Print
■ Feeder Unit, PL3.2.1
■ MCU Board, PL9.1.20
■ Transfer Unit, PL4.1.1
■ Print Cartridge (C/M/Y/K),
PL5.1.18-21
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Turn the printer power Off and back 
On.
Does the image quality improve?
Complete. Go to step 2.
2 Check the paper condition. Is the 
paper dry, recommended type, and 
loaded in the correct position?
Go to step 3. Replace the 
paper.
ABCDE abcde 12345
s6180-331