Phaser 6180MFP Multifunction Printer Service Manual 5-29
Print-Quality Troubleshooting
5 Does the error still occur? Replace the
Scanner
Controller Board
(page 8-99).
Complete.
6 1.Check the paper condition.
2.Is the paper dry, recommended
type, and loaded in the correct
position?
Go to step 7. Replace the
paper.
7 1.Check the Print Cartridge (C/M/Y/K)
for damages.
2.Is the Print Cartridge damaged?
Replace the
Print Cartridge
(page 8-11).
Go to step 8.
8 1.Check the Transfer Unit for correct
installation.
2.Reseat the Transfer Unit (page 8-9).
3.Does the image quality improve?
Complete. Go to step 9.
9 1.Check the laser beam path.
2.Are there any debris between the
Laser Unit and Transfer Unit?
Remove the
debris.
Go to step 10.
10 1. Check the wiring harness
connectors P/J12 and P/J151
between the Laser Unit and the MCU
Board.
2.Are the connectors securely
connected?
Go to step 11. Reconnect the
connectors.
Go to step 11.
11 1. Perform Yellow/Magenta/Cyan/Black
Toner Motor test (Yellow, page 4-61;
Magenta, page 4-62; Cyan,
page 4-63; Black, page 4-64):
Service Mode > Printer Diag >
Engine Diag > Motor Test > Toner
Motor.
2.Does the Toner Dispenser Motor
rotate properly?
Go to step 12. Replace the
MCU Board
(page 8-88).
If not, replace
the Toner
Dispenser
Motor
(page 8-59).
12 1. Check the Image Processor Board
for correct installation. Reseat the
Image Processor Board
(page 8-90).
2.Does the image quality improve?
Complete. Go to step 13.
13 1. Check the MCU Board for correct
installation. Reseat the MCU Board
(page 8-88).
2.Does the image quality improve?
Complete. Go to step 14.
14 1. Check the HVPS for correct
installation. Reseat the HVPS
(page 8-64).
2.Does the image quality improve?
Complete. Go to step 15.
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No