Table 63 Registration Clutch Troubleshooting Procedure - Xerox 5400N - Phaser B/W Laser Printer Service Quick Reference Manual

RAP 39 Registration Clutch
Table 63 Registration Clutch Troubleshooting Procedure
Step Actions and Questions
PROCEDURE
1
1. Enter Diagnostics mode.
2. From the Main Menu, select Component Test / Reg.
Clutch / press [4] to test, [0] to stop.
Can you hear the Registration Clutch energize?
"NO" FROM STEP 1 ABOVE
2
1. Switch printer power OFF.
2. Remove the Left Side Cover [RRP 1.1 on
and remove the Print Engine Controller Board Cover
[RRP 8.5 on
3. Disconnect P/J22 on the Print Engine Controller
Board.
4. Measure the resistance between pins 1 and 2 on the
disconnected plug.
Is the resistance approximately 170 to
185 ohms?
3 "NO" FROM STEP 2 ABOVE
1. Remove the Print Cartridge and the MBF Assembly
[RRP 2.1 on
2. Disconnect P/J222 from the Registration Clutch.
3. Check for pin to pin continuity between P22 and P222.
Is there continuity between both pins?
4 "YES" FROM STEP 2 ABOVE
1. Switch printer power ON.
2. Measure the voltage between P/J22-1 and frame
ground.
Does the voltage between P/J22-1 and frame
ground measure +24 VDC?
"NO" FROM STEP 4 ABOVE
5
Measure the voltage between P/J16-9 and frame
ground.
Does the voltage between P/J16-9 and frame
ground measure +24 VDC?
6 "YES" FROM STEP 4 ABOVE
1. Switch printer power OFF.
2. Reconnect P/J22.
3. Enter Diagnostics mode.
4. From the Main Menu, select Component Test / Reg.
Clutch.
5. Measure the voltage between P/J22-2 and frame
ground.
6. While watching the voltmeter, press [4].
Does the voltage drop from +24 VDC to 0.0 VDC?
112
.
page 310].
page 259].
Yes
Go to
Step 8.
Go to
Step 4.
page 250]
Replace the
Registration
Clutch
[RRP 4.3 on
page
Go to
Step 6.
Replace the
Print Engine
Controller
Board
[RRP 8.5 on
page
Go to
Step 7.
Phaser 5400 Laser Printer Service Guide
No
Go to
Step 2.
Go to
Step 3.
Repair or
replace the
Registration
Clutch
286]. Harness as
necessary
[PL 9.1,
page 404].
Go to
Step 5.
Replace the
LVPS
[RRP 8.6 on
page 312].
286].
Replace the
Registration
Clutch
[RRP 4.3 on
page 286] or
Paper
Transport
Assy
[RRP 4.1 on
page 283].