Xerox 4400DT - Phaser B/W Laser Printer Service Manual page 102

DC (LVPS) Troubleshooting Procedure (cont'd.)
Step Actions and Questions
8 Check the Front Cover.
Is the Front Cover closed and actuating the
interlock switch?
9 Check the voltages listed in the LVPS Voltages table.
Are all voltage measurements correct?
LVPS Voltages
Red Lead
P/J281 pin 7
P/J281 pin 10
P/J281 pin 1
Phaser 4400 Laser Printer Service Manual
Black Lead
Frame Ground
Frame Ground
Frame Ground
Voltage
+5.0 VDC
+3.3 VDC
+24.0 VDC
Yes No
Check the Repair or
continuity replace the
through the defective
interlock cover or
switch. interlock
Replace if switch as
necessary. necessary.
Return to Go to
Service Power
Flowchart on Loading
page 2-2 or page 3-6.
to the
procedure
that sent you
here.
DC
on
3-5