Table 97 Hcs Motor Assembly Message Troubleshooting Procedure - Xerox 5400N - Phaser B/W Laser Printer Service Quick Reference Manual

RAP 67 HCS Motor Assembly
Table 97 HCS Motor Assembly Message Troubleshooting Procedure
Step Actions and Questions
+24 VDC MEASUREMENT
1
1. Switch printer power OFF.
2. Remove the HVPS Cover [RRP 1.6,
3. Disconnect P/J506 from the Duplex Interface Board.
4. Switch printer power ON.
5. Measure the voltage between J506-2 and frame
ground.
Does the voltage measure +24 VDC?
2 "YES" FROM STEP 2 ABOVE
1. Switch printer power OFF.
2. Reconnect P/J506.
3. Remove the HCS Front Cover [RRP 10.4,
4. Disconnect P/J514 on the HCS Board.
5. Measure the voltage between J514-8 and frame
ground.
Does the voltage measure +24 VDC?
3 CONTINUITY CHECK
1. Switch printer power OFF.
2. Check for continuity between P/J504 and P/J514 as
follows:
J504-1 and J514-1
I
J504-2 and J514-2
I
J504-3 and J514-3
I
J504-4 and J514-4
I
J504-5 No Connection
I
J504-6 and J514-6
I
J504-7 and J514-7
I
J504-8 and J514-8
I
J504-9 and J514-9
I
Is there continuity between the pins?
4 "YES" FROM STEP 2 ABOVE
1. Switch printer power OFF.
2. Reconnect P/J514.
3. Switch printer power ON.
4. On the HCS Board, measure the voltage between
P/J517-3 and frame ground, then between P/J517-4
and frame ground.
Do both voltages measure +24 VDC?
170
.
page
Phaser 5400 Laser Printer Service Guide
Yes
Go to
Step 2.
255].
Go to
Step 4.
page 321].
Replace the
Duplex
Board
[RRP 8.3,
page 308]
Replace the
HCS Motor
Assembly
[PL 10.2,
page 410].
No
Replace the
LVPS
[RRP 8.6,
page 312].
Go to
Step 3.
Repair or
replace the
STK-O
Harness
Assembly
[PL 10.2]
and the
SK-1
Harness
Assembly
[PL 9.1,
page 404].
Replace the
HCS Board
[PL 10.2,
page 410].