Specifications

Chapter 7: Using the Diagnostic Tool
7-22
DG 93 HVPS (DEV BIAS)
This Diagnostic code tests the HVPS D/C voltage to the Magnet Roll.
WARNING: DG93 switches on the HVPS. HIGH VOLTAGE is present in many areas of the
printer. Be careful working around the HVPS when in DG 93.
To run DG 93.
1. Open the Front Cover.
2. Remove the CRU.
3. Enter Diagnostics Mode.
4. Repeatedly press [2] until the LCD displays
DG 93.
5. Set the multimeter range to 500 VDC.
6. Place the red (+) probe of your multimeter on the DB Terminal of the
Earth Plate Assembly.
7. Place the black ( ) probe of your multimeter on the LVPS frame.
8. Use the blade of an insulated screwdriver to close the LVPS interlock
switch.
9. Press [1] to start the test.
10. You should get a reading of approximately 250VDC.
11. To Exit DG 93, repeatedly press [2] to cycle the LCD to
DG 00 Exit Diag.
12. Press [1] to exit DG 93.