3-66 Phaser 6300/6350 Color Laser Printer Service Manual
Fatal Error Procedures
Laser Failure
An error was detected in the Laser Unit.
Applicable Status Codes:
Code 07: Laser power has failed
Code 08: Start of Scan (SOS) failure 1
Code 09: Start of Scan (SOS) failure 2
Code 10: Warm up failure
Code 11: This is the generic laser fault used by the engine if a lower level error
cannot be reported to the controller.
2
Replace the 550-Sheet Feeder.
Does the error persist?
Replace the
Engine Control
Board
(
page 8-104).
Complete
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
â– Laser Unit, PL6.1.2
â– ROS Harness, PL6.1.3
â– Engine Control Board, PL9.1.16
â– Print Engine Map 3 - P/J locator (page 10-7)
â– Print Engine Laser Unit Wiring (page 10-23)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the Laser Unit connections.
Are P/J15 and P/J151 connected?
Go to Step 2. Connect the Laser
Unit.
2
Remove and reseat ROS Harness
connector J151 to the Laser Unit.
Does the error persist?
Go to Step 3. Complete
3
Replace the Laser Unit (page 8-76).
Does the error persist?
Go to Step 4. Complete
4
Check all pins on the ROS Harness
PL6.1.3 for continuity.
1. Disconnect P/J15 and P/J151.
2. Check continuity between J15 <=>
J151.
Replace the Engine
Control Board
(
page 8-104).
Replace the ROS
Harness.
Troubleshooting Procedure Table (Continued)
Step Actions and Questions Yes No