Xerox Phaser 8400

3-48 Phaser 8400/8500/8550 Color Printer
Solenoid, Clutch and Pick Troubleshooting Procedure
Step Questions and Actions Yes No
1
1. Run the appropriate diagnostic test:
■ 37,017.44 = Head Maintenance Clutch
■ 37,018.45 = Deskew Clutch
■ 37,019.46 = (8500/8550) Main tray
pick Clutch
■ 37,019.46 =(8400) Pick Solenoid
■ 37,020.47 = (8500/8550) Multipurpose
Pick Solenoid
■ 37,020.47 = (8400) Strip Solenoid
■ 37,021.48 = (8500/8550) Strip
Solenoid
■ 37,022.40 = (8400) Preheat Solenoid
■ 37,023.41 = (8500/8550) Head Tilt
Solenoid
2. Did the test pass?
Go to Step 3. Go to Step 2.
2
1. Check the wiring for the problem clutch or
solenoid.
2. Is the wiring damaged or not working
properly?
Replace the
problem wiring
harness.
Replace the
problem
component:
■ Head
maintenance
clutch
■ Media path
drive assembly
■ Pick solenoid
■ Strip
solenoid
■ Head tilt
solenoid
■ Preheater
solenoid
8400 8500/8550 PEST Description
37,021.48: 37,024.48:
Tray 1 elevator disconnect. The main tray elevator is not
drawing the expected power from the supply.
Troubleshooting Procedure for Tray 1 Elevator
Step Questions and Actions Yes No
1
1. Run the Tray 2 Lift Motor test.
2. Did the test pass?
Replace the
electronics
module.
Go to Step 2.
2
1. Check the wiring to the tray 2 lift motor.
2. Is the wiring damaged?
Replace the
wiring harness
Replace the
tray lift motor.