5-52 Phaser 6180 Color Laser Printer Service Manual
Print-Quality Troubleshooting
4 Check the Print Cartridge (C/M/Y/K) 
for correct installation. Reseat the 
Print Cartridge.
Does the error still occur?
Go to step 5. Complete.
5 Check the Fuser for correct 
installation. Reseat the Fuser.
Does the error still occur?
Go to step 6. Complete.
6 Was the damaged paper fed from Tray 
1 (MPT)?
Go to step 7. Go to step 11.
7 Check the paper for correct placement. 
Reseat the paper in Tray 1 (MPT).
Does the error still occur?
Go to step 8. Complete.
8 Check the Tray 1 (MPT) Side Guides. 
Reseat the Side Guides.
Does the error still occur?
Go to step 9. Complete.
9 Check the paper path. Are there any 
debris on the paper path?
Remove the 
debris.
Go to step 10.
10 Replace the Tray 1 (MPT) Feed Roll 
(page 8-39). Does the error still 
occur?
Replace the Tray 
1 (MPT) Retard 
Holder 
(page 8-24).
Complete.
11 Replace the Feeder Unit (page 8-43). Go to step 12. Complete.
12 Was the damaged paper fed from the 
Duplex Unit?
Go to step 13. Complete.
13 Check the Duplex Unit for correct 
installation. Reseat the Duplex Unit.
Does the error still occur?
Go to step 14. Complete.
14 Check the paper path. Are there any 
debris on the paper path?
Remove the 
debris.
Replace the 
Duplex Unit 
(page 8-94).
15 Check the paper tray for correct 
installation. Reseat the tray.
Does the error still occur?
Go to step 16. Complete.
16 Check the paper for correct placement. 
Reseat the paper.
Does the error still occur?
Go to step 17. Complete.
17 Check the paper tray Side Guides. 
Reseat the tray Side Guides.
Does the error still occur?
Go to step 18. Complete.
18 Check the paper path. Are there any 
debris on the paper path?
Remove the 
debris.
Go to step 19.
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No