Error Messages and Codes 3-83
Disk Failure
An error was detected in the Hard Disk.
Applicable Status Code:
Code 80: Disk Failure
Initial Actions:
■ Cycle the printer's power.
■ If the problem persists follow the procedure below.
Troubleshooting Procedure Table 
Step Actions and Questions Yes No
1
Check the motors.
Run the Service Diagnostics motor tests to 
determine the failed part.
Is the failed part the Main Drive Motor?
Go to (page 3-81). Test the Fuser 
Motor.
2
Is the failed part the Fuser Drive Motor? Go to (page 3-82). Test the Developer 
Motor.
3
Is the failed part the Developer Drive 
Motor?
Go to (page 3-82). Replace the 
Engine Control 
Board 
(
page 8-104).
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Hard Drive PL9.1.25  
■ Image Processor Board PL9.1.3
Troubleshooting Procedure Table 
Step Actions and Questions Yes No
1
Check the Hard Drive installation.
Is the Hard Drive properly installed?
Go to Step 2. Correct the 
installation.
2
Replace the Internal Hard Drive.
Does the error persist?
Replace the Image 
Processor Board 
(
page 8-98)
Complete