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

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Phaser 5400 Laser Printer Service Guide 53
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.
Does the voltage m3.3 VDC between
P19-13 and frame ground when the Stack Full
Sensor is deactuated and 0.0 V 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 each of the pins?
Go to
Step 8. Repair or
replace the
harness
[PL 9.1,
page 404 ] as
necessary.
8 “YES” FROM STEP 7 ABOVE
1. Disconnect P/J501 from the Duplex Interface Board
and P/J19 from 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
■
J501-3 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, as
necessary
[PL 9.1,
page 404 ].
9 “YES” FROM STEP 6 ABOVE
1. Switch printer power OFF.
2. Disconnect P/J507 from the Full Stack Sensor.
3. Check for continuity between P/J507 and P/J527 as
follows:
■
J507-1 and J527-3
■
J507-2 and J527-2
■
J507-3 and J527-1
Is there continuity between each of the pins?
Replace the
Full Stack
Sensor
[RRP 5.2,
page 289 ].
Repair or
replace the
Full Stack
Sensor
Harness
[PL 6.1,
page 398 as
necessary.
Table 26 Error Code C5: Standard Bin Full
Troubleshooting Procedure (cont'd.)
Step Actions and Questions Yes No