Fuji Xerox Phaser 5500 Service Manual page 276

Toner Empty Troubleshooting Procedure (Continued)
Step Actions and Questions
4 Check the Toner Dispense Assembly for
clogging.
Is the tube located at the lower part of
the Toner Dispense Assembly clogged?
5 Check the Toner CRUM PWB installation.
Is the Toner CRUM PWB installed
correctly?
6 Check the Toner CRUM PWB connections.
Are P127 and P/J419 connected?
7 Check continuity between the Toner CRUM
PWB and Engine Logic Board.
1. Disconnect P/127 and P/J419.
2. Check for continuity at the following:
P127-6 <=> P/J419-6
P127-5 <=> P/J419-7
P127-4 <=> P/J419-8
P127-3 <=> P/J419-9
P127-2 <=> P/J419-10
P127-1 <=> Not connected
Are these conductive?
8 Check for +5 V to the Toner CRUM PWB.
Is there +5 V across P127-6 (+) <=>
ground?
9 Test the Toner Dispense Motor.
Run the Service Diagnostics Toner
Dispense Motor test.
Does the motor rotate?
10 Check Toner Dispense Motor connections.
Are P/J216 and P/J420 connected?
11 Check continuity between the Toner
Dispense Motor and Engine Logic Board.
1. Disconnect P/J420 and P/J216.
2. Check for continuity at the following:
P/J420-1 <=> P/J216-2
P/J420-2 <=> P/J216-1
Are these conductive?
12
Check for +24 V to the Toner Dispense
Motor
Is there +24 V across P/J216-1 (+) <=>
ground?
3-198
Yes
Clean the tube.
Go to Step 6.
Go to Step 7.
Go to Step 8.
Go to Step 9.
Replace the
Engine Logic
Board
(page 8-89).
Go to Step 11.
Go to Step 12.
Replace the Toner
Dispense Motor
(page 8-73).
Phaser 5500 Printer Service Manual
No
Go to Step 5.
Correct the
installation.
Connect P127
and P/J419.
Repair the wiring.
Replace the
Engine Logic
Board
(page 8-89).
Go to Step 10.
Connect P/J216
and P/J420.
Repair the wiring.
Replace the
Engine Logic
Board
(page 8-89).