Table 82 Tray 1 No Paper Sensor Troubleshooting Procedure - Xerox 5400N - Phaser B/W Laser Printer Service Quick Reference Manual

RAP 53 Tray 1 No Paper Sensor
Table 82 Tray 1 No Paper Sensor Troubleshooting Procedure
Step Actions and Questions
PROCEDURE
1
1. Remove Tray 1.
2. Enter Diagnostics mode.
3. From the Main Menu, select Component Test / Sensor
Input / press [4] to start, [0] to stop.
4. Actuate the Tray No Paper Sensor Actuator.
Does the LCD counter increment each time you
press and release the actuator?
2 TRAY 1 NO PAPER SENSOR ACTUATOR
INSPECTION
1. Manipulate the Tray 1 No Paper Sensor Actuator.
2. Visually inspect the Tray 1 No Paper Sensor Actuator.
Does the actuator move freely and appear to be
in good condition (not broken or damaged)?
3 "YES" FROM STEP 2 ABOVE
1. Switch printer power OFF.
2. Remove the Left Side Cover [RRP 1.1,
the Print Engine Controller Board Cover [RRP 8.5,
page 310].
3. Disconnect P/J12 from the Print Engine Controller
Board.
4. Switch printer power ON.
5. On the Print Engine Controller Board, measure the
voltage between P12-4 and frame ground, then
measure the voltage between P12-6 and frame
ground.
Do both voltages measure +3.28 VDC?
4 "YES" FROM STEP 3 ABOVE
1. Switch printer power OFF.
2. Remove the Left Side Cover [RRP 1.1,
the Print Engine Controller Board Cover [RRP 8.5,
page 310].
3. Disconnect P/J12 from the Print Engine Controller
Board.
4. Switch printer power ON.
5. On the Print Engine Controller Board, measure the
voltage between P12-6 and frame ground.
Does the voltage between P12-6 and frame
ground measure +3.28 VDC when the Tray 1 No
Paper Sensor is deactuated and 0.0 VDC when
actuated?
140
Yes
It appears
the Tray 1
No Paper
Sensor is
working
correctly. If a
problem
persists,
replace the
Print Engine
Controller
Board
[RRP 8.5,
page
Go to
Step 3.
Go to
Step 4.
page 250] and
Replace the
Print Engine
Controller
page 250] and
Board
[RRP 8.5,
page
Phaser 5400 Laser Printer Service Guide
No
Go to
Step 2.
310].
Replace the
Tray 1 No
Paper
Sensor
Actuator
[RRP 2.6,
page 266].
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page 310].
Go to
Step 5.
310].