Xerox 5400N - Phaser B/W Laser Printer, Service Quick Reference Manual

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86 Phaser 5400 Laser Printer Service Guide
RAP 22 Error Code: E9-1 Duplex Unit Fail
or Removed
.
Table 42 Duplex Unit Fail or Removed Message
Troubleshooting Procedure
Step Actions and Questions Yes No
1 PROCEDURE
1. Switch printer power OFF.
2. Remove the Left Side Cover [RRP 1.1, page 250 ] and
the Print Engine Controller Board Cover [RRP 8-5,
page 310 ].
3. Disconnect P/J19 from the Print Engine Controller
Board.
4. Switch printer power ON.
5. Measure the voltage between P19-4 on the Print
Engine Controller Board and frame ground.
Does the voltage m3.3 VDC?
Go to
Step 2. Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310 ].
2 “YES” FROM STEP 1 ABOVE
1. Switch printer power OFF.
2. Reconnect P/J19 to the Print Engine Controller Board.
3. Remove the HCS, if installed.
4. Switch printer power ON.
5. Measure the voltage between P19-4 on the Print
Engine Controller Board and frame ground.
Does the voltage m1.6 VDC?
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310 ].
Go to
Step 3.
3 “NO” FROM STEP 2 ABOVE
1. Switch printer power OFF.
2. Open the Rear Cover and remove the Duplex
Assembly [RRP 9.1, page 404 ].
3. Remove the HVPS Cover [RRP 8.2, page 307 ].
4. Disconnect P/J501 from the Duplex Interface Board
and P/J19 from the Print Engine Controller Board.
5. Check for continuity between the following pins:
■
P501-1 and P19-13
■
P501-2 and P19-12
■
P501-3 and P19-11
■
P501-4 and P19-10
■
P501-5 and P19-9
■
P501-6 and P19-8
■
P501-7 and P19-7
■
P501-8 and P19-6
■
P501-9 and P19-5
■
P501-10 and P19-4
■
P501-11 and P19-3
■
P501-12 and P19-2
■
P501-13 and P19-1
Is there continuity between all pins measured?
Replace the
Duplex
Assembly
[PL 13.1,
page 426 ]. If
problem
persists,
replace the
Duplex
Interface
Board
[RRP 8.3,
page 308 ].
Replace the
Duplex
Interface
Board
Harness
[PL 9.1,
page 404 ].