5-50 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 skewed tray. Is the skewed 
paper fed from Tray 1 (MPT)?
Go to step 6. Go to step 10.
6 Check the paper for correct placement. 
Reseat the paper.
Does the error still occur?
Go to step 7. Complete.
7 Check the Tray 1 (MPT) Side Guides. 
Reset the Side Guides.
Does the error still occur?
Go to step 8. Complete.
8 Check the paper path. Are there any 
debris on the paper path?
Remove the 
debris.
Go to step 9.
9 Replace the Tray 1 (MPT) Feed Roll 
(page 8-39).
Does the error still occur?
Replace the Tray 
2 Retard Roll 
(page 8-33).
Complete.
10 Replace the Feeder Unit (page 8-43). Go to step 11. Complete.
11 Check the skewed mode. Is the 
skewed paper fed the from the 
Duplex?
Go to step 12. Go to step 14.
12 Check the Duplex Unit for correct 
installation. Reseat the Duplex Unit.
Does the error still occur?
Go to step 13. Complete.
13 Check the paper path. Are there any 
debris on the paper path?
Remove the 
debris.
Replace the 
Duplex Unit 
(page 8-94).
14 Check the paper tray for correct 
installation. Reseat the tray.
Does the error still occur?
Go to step 15. Complete.
15 Check the paper for correct placement. 
Reseat the paper in the tray.
Does the error still occur?
Go to step 16. Complete.
16 Check the paper tray Side Guides. 
Reset the Side Guides.
Does the error still occur?
Go to step 17. Complete.
17 Check the paper path. Are there any 
debris on the paper path?
Remove the 
debris.
Go to step 18.
18 Replace the Feed Roll (Tray 2, 
page 8-49) (Tray 3, page 8-104).
Does the error still occur?
Replace the 
Retard Roll (Tray 
2, page 8-33) 
(Tray 3, 
page 8-109).
Complete.
Troubleshooting Procedure Table (continued)
Step Action and Questions Yes No