3-198 Phaser 5500 Printer Service Manual
4
Check the Toner Dispense Assembly for
clogging.
Is the tube located at the lower part of
the Toner Dispense Assembly clogged?
Clean the tube. Go to Step 5.
5
Check the Toner CRUM PWB installation.
Is the Toner CRUM PWB installed
correctly?
Go to Step 6. Correct the
installation.
6
Check the Toner CRUM PWB connections.
Are P127 and P/J419 connected?
Go to Step 7. Connect P127
and P/J419.
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?
Go to Step 8. Repair the wiring.
8
Check for +5 V to the Toner CRUM PWB.
Is there +5 V across P127-6 (+) <=>
ground?
Go to Step 9. Replace the
Engine Logic
Board
(
page 8-89).
9
Test the Toner Dispense Motor.
Run the Service Diagnostics Toner
Dispense Motor test.
Does the motor rotate?
Replace the
Engine Logic
Board
(
page 8-89).
Go to Step 10.
10
Check Toner Dispense Motor connections.
Are P/J216 and P/J420 connected?
Go to Step 11. Connect P/J216
and P/J420.
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?
Go to Step 12. Repair the wiring.
12
Check for +24 V to the Toner Dispense
Motor
Is there +24 V across P/J216-1 (+) <=>
ground?
Replace the Toner
Dispense Motor
(
page 8-73).
Replace the
Engine Logic
Board
(
page 8-89).
Toner Empty Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No
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