4-74 Phaser 6180 Color Laser Printer Service Manual
General Troubleshooting
5 1. Check the Main Drive for correct 
installation.
2. Reseat the Main Drive.
3. Perform the Main Motor test (page 4-40): 
Service Mode > Engine Diag > Motor 
Test > Main Motor.
4. Does the noise come from the printer?
Replace the 
following 
parts, one 
after another.
■ Fuser 
(page 8-10)
■ Black Print 
Cartridge 
(page 8-9)
■ Transfer 
Unit 
(page 8-7)
■ Main Drive 
(page 8-73)
Complete.
6 Perform the Sub Motor test (page 4-41): 
Service Mode > Engine Diag > Motor Test 
> Sub Motor.
Does the noise come from the printer?
Go to step 7. Go to step 9.
7 1. Check the Print Cartridges for correct 
installation.
2. Reseat the Print Cartridges.
3. Perform the Sub Motor test (page 4-41): 
Service Mode > Engine Diag > Motor 
Test > Sub Motor.
4. Does the noise come from the printer?
Go to step 8. Complete.
8 1. Check the Main Drive for correct 
installation.
2. Reseat the Main Drive.
3. Perform the Sub Motor test (page 4-41): 
Service Mode > Engine Diag > Motor 
Test > Sub Motor.
4. Does the noise come from the printer?
Replace the 
following 
parts, one 
after another.
■ Print 
Cartridges (C/
M/Y/K) 
(page 8-9)
■ Main Drive 
(page 8-73)
Complete.
9 Perform the Deve Motor test (page 4-43): 
Service Mode > Engine Diag > Motor Test 
> Deve Motor. Does the noise come from 
the printer?
Go to step 10. Go to step 12.
10 1. Check the Print Cartridges for correct 
installation.
2. Perform the Deve Motor test (page 4-43): 
Service Mode > Engine Diag > Motor 
Test > Deve Motor.
3. Does the noise come from the printer?
Go to step 11. Complete.
Troubleshooting Procedure Table  (continued)
Step Actions and Questions Yes No