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

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56 Phaser 5400 Laser Printer Service Guide
5 “YES” FROM STEP 3 ABOVE
1. Switch printer power OFF.
2. Reconnect P/J19 to the Print Engine Controller Board.
3. Enter Diagnostics mode.
4. From the Main Menu, select Component Test / Sensor
Input / press [4] to start, [0] to stop.
5. ON the Print Engine Controller Board, measure the
voltage between P/J19-13 and frame ground while
actuating and deactuating the Stack Full Sensor
Actuator.
Does the voltage m3.3 VDC when the
Stack Full Sensor is deactuated and 0.0 VDC
when actuated?
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310 ].
Go to
Step 6.
6 “NO” FROM STEP 5 ABOVE
1. Switch printer power OFF.
2. Open the Rear Cover.
3. Disconnect P/J527 (3-pin connector on HVPS Cover).
4. Switch printer power ON.
5. Measure the voltage between P/J527-3 and frame
ground, then between P/J527-1 and frame ground.
Do both voltages m3.3 VDC?
Go to
Step 9. Go to
Step 7.
7 “NO” FROM STEP 6 ABOVE
1. Switch printer power OFF.
2. Remove the HVPS Cover [RRP 8.2, page 307 ].
3. Check for continuity between P/J502 and P/J527 as
follows:
■
J527-1 and J502-1
■
J527-2 and J502-2
■
J527-3 and J502-3
Is there continuity between the pins?
Go to
Step 8. Repair or
replace the
HCS Stack
Full Sensor
Harness
[PL 6.1,
page 398 ],
as
necessary.
8 “YES” FROM STEP 7 ABOVE
1. Disconnect P/J501 from the Duplex Interface Board
and P/J19 form the Print Engine Controller Board.
2. Check for continuity between P/J501 and P/J19 as
follows:
■
J501-1 and J19-13
■
J501-2 and J19-12
■
J502-3 and J19-11
Is there continuity between each of the pins?
Replace the
Duplex
Interface
Board
[RRP 8.3,
page 308 ].
Repair or
replace the
Duplex
Interface
Harness
[PL 9.1,
page 404 ],
as
necessary.
9 “YES” FROM STEP 6 ABOVE
1. Switch printer power OFF.
2. Disconnect P/J507 from the Stack Full Sensor.
3. Check for continuity between P/J507 and P/J526 as
follows:
■
J507-1 and J527-3
■
J507-2 and J527-2
■
J507-3 and J527-1
Is there continuity between the pins?
Replace the
HCS Stack
Full Sensor
[RRP 10.6,
page 323 ].
Repair or
replace the
HCS Stack
Full Sensor
[RRP 10.6]
or the Stack
Full Sensor
Harness
[PL 10.2,
page 410 ],
as
necessary.
Table 27 Error Code C5: Stacker Bin Full
Troubleshooting Procedure (cont'd.)
Step Actions and Questions Yes No