Specifications

Chapter 7: Using the Diagnostic Tool
7-20
DG 91 HVPS (C. ROLL AC)
This Diagnostic code tests the HVPS A/C voltage to the BCR.
WARNING: DG 91 switches on the HVPS. HIGH VOLTAGE is present in
many areas of the printer. Be careful working around
the HVPS when in DG 91.
To run DG 91.
1. Open the Front Cover.
2. Remove the CRU.
3. Enter Diagnostics Mode.
4. Repeatedly press [2] until the LCD displays
DG 91.
5. Set the multimeter range to 500 µA.
6. Place the red (+) probe of your multimeter on the CR 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 -500 µA.
11. To Exit DG 91, repeatedly press [2] to cycle the LCD to
DG 00 Exit Diag.
12. Press [1] to exit DG 91.