Table 38 2000-Sheet Feeder Cover Open Troubleshooting Procedure; Rap 18 Close Tray 2 Rear Door Close Tray 3 Rear Door - Xerox 5400N - Phaser B/W Laser Printer Service Quick Reference Manual

RAP 18 Close Tray 2 Rear Door
Close Tray 3 Rear Door
The 2000-Sheet Feeder Rear Door is open.
Table 38 2000-Sheet Feeder Cover Open Troubleshooting Procedure
Step Actions and Questions
1 UPPER REAR COVER INTERLOCK SWITCH
1. Manually open and close the 2000-Sheet Feeder
Upper Rear Cover Assembly.
2. Make certain the Upper Rear Cover actuates the
Interlock Switch.
Does the 2000-Sheet Feeder Upper Rear Cover
Assembly actuate the Interlock Switch?
UPPER REAR COVER INTERLOCK SWITCH
2
INPUT TEST
1. Enter Diagnostics mode.
2. From the Main Menu, select Component Test / Sensor
Input / press [4] to start, [0] to stop.
3. Open and close the 2000-Sheet Feeder Upper Rear
Cover.
Does the LCD counter increment each time you
open and close the cover?
3 "NO" FROM STEP 3 ABOVE
1. Switch printer power OFF.
2. Remove the 2000-Sheet Feeder Lower Rear Cover
[RRP 12.4,
3. Switch printer power ON.
4. Check the voltage between P/J604-3 and frame
ground as you open and close the Upper Rear Cover.
Does the voltage measure +3.2 VDC when the
cover is open and 0.0 VDC when the cover is
closed?
4 CONTINUITY CHECK
1. Switch printer power OFF.
2. Remove the Left Side Cover [RRP 1.1,
the Print Engine Controller Board [RRP 8.5,
page 310].
3. Disconnect P/J13 from the Print Engine Controller
Board and P/J604 form the 2000-Sheet Feeder
Board.
4. Check for continuity between the pins as follows:
P601-1 and P13-1
I
P601-2 and P13-2
I
P601-3 and P13-3
I
P601-4 and P13-13
I
P601-5 and P13-10
I
P601-6 and P13-14
I
P601-7 and P13-15
I
Is there continuity between all pins measured?
78
page 356].
Yes
Go to
Step 2.
Replace the
Print Engine
Controller
Board
[RRP 8.5,
page
Go to
Step 4.
Replace the
Print Engine
Controller
page 250] and
Board
[RRP 8.5,
page
or the
2000-Sheet
Feeder
Board
[RRP 12.8,
page
Phaser 5400 Laser Printer Service Guide
No
Reinstall the
Interlock
Switch. If the
bracket is
deformed,
reshape or
replace the
bracket.
Go to
Step 3.
310].
Replace the
Upper Rear
Cover
Interlock
Switch
[PL 12.2,
page 420].
Replace the
appropriate
harness.
310],
360].