Phaser 3250 Laser Printer Service Manual 3-29
Error Messages and Codes
Laser Unit Not Ready
All LEDs are blinking on the Control Panel. An error was detected in the Laser
Unit. Error includes PMotor Error or HSYNC Error.
Applicable Error Message
■ LSU Not Ready (LSU Scanner Motor not ready)
■ LSU Not Ready (HSYNC signal not output)
■ Black LSU Lock Error
■ Black HSYNC Error
Initial Actions
■ Cycle printer power.
■ If the problem persists, refer to the following procedure.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Main Controller Board, PL1.1.2
■ Laser Unit, PL1.1.12
■ “Map 8 - Laser Unit” on page 10-16
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1.Check the wiring harness
connections between the Laser Unit
and the Main Controller Board.
2.Are the wiring harness connectors
securely connected?
Go to step 2. Reconnect the
connectors.
2 1.Check the Laser Unit for correct
installation. Reseat the Laser Unit
(page 8-57).
2.Does the error still occur?
Replace the
Laser Unit
(
page 8-57).
Replace the
Main Controller
Board
(
page 8-62).