Table 93 500-Sheet Feeder Motor Troubleshooting Procedure - Xerox 5400N - Phaser B/W Laser Printer Service Quick Reference Manual

RAP 63 500-Sheet Motor
Logic Control on the Print Engine Controller Board detects a problem with the
500-Sheet Feeder Main Motor.
Table 93 500-Sheet Feeder Motor Troubleshooting Procedure
Step Actions and Questions
+24 V CHECK AT P/J 140 ON 500-SHEET
1
FEEDER BOARD
1. Remove the 500-Sheet Feeder Left Cover [RRP 11.6,
page 333].
2. Disconnect P/J 140 on the 500-Sheet Feeder Board.
3. Measure the voltage at P/J 140-1 to frame ground.
Does the voltage measure +24 VDC?
2 +24 V CHECK AT P/J 132 ON 500-SHEET
FEEDER BOARD
Measure the voltage at P/J 132-3 on the 500-Sheet
Feeder Board to frame ground.
Does the voltage measure +24 VDC?
3 +24 V CHECK AT P/J 13 ON THE PRINT ENGINE
CONTROLLER BOARD
Measure the voltage at P/J 13-3 on the Print Engine
Controller Board to frame ground.
Does the voltage measure +24 VDC?
4 SUSPECT COMPONENTS
The following printer components and areas are
associated with this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Repair Analysis Procedure, replace each
component or troubleshoot each area listed below, one
at a time, until you isolate and solve the problem.
Print Engine Controller Board [RRP 8.5,
I
500-Sheet Feeder Board [RRP 11.7,
I
Wiring and connectors linking the components
I
Phaser 5400 Laser Printer Service Guide
Yes
Replace the
500-Sheet
Feeder
Motor
[RRP 11.6,
page
Replace the
500-Sheet
Feeder
Board
[RRP 11.7,
page
Perform
continuity
check on the
harness
from P/J 13
to P/J 132
on the Print
Engine
Controller
Board.
Repair /
replace as
necessary.
page 310]
page 334]
No
Go to
Step 2.
333]
Go to
Step 3.
334].
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310
163