Phaser 6180 Color Laser Printer Service Manual 3-93
Error Messages and Codes
6 Check the Tray 3 Drive Feeder for 
correct installation. Is the Tray 3 Drive 
Feeder correctly installed?
Go to step 7. Reseat the Tray 
3 Drive Feeder. 
Go to step 7.
7 Does the error still occur? Go to step 8. Complete.
8 Check the C2 Motor Harness for 
continuity.
1. Disconnect P/J422 and P/J4222.
2. Check continuity between P/J422 
<=> P/J4222.
Go to step 9. Replace the C2 
Motor Harness.
9 Check the Tray 3 Feeder Drive for 
signal.
1. Disconnect P/J422 from the Tray 3 
Feeder Board.
2. Is the +24 V across ground <=> 
J422-6 when the Interlock Switch is 
activated?
Replace the Tray 
3 Feeder Drive 
(page 8-106).
Go to step 10.
10 Check the wiring harness connectors 
P/J419, P/J273, and P/J27 between 
the Tray 3 Feeder Board and the MCU 
Board. Are the connectors securely 
connected?
Go to step 11. Reconnect the 
connectors.
11 Check the Feeder Unit Harness for 
continuity.
1. Disconnect P/J419 and P/J273.
2. Check continuity between P/J419 
<=> P/J273.
Go to step 12. Replace the 
Feeder Unit 
Harness.
12 Check the Right Side Harness for 
continuity.
1. Disconnect P/J273 and P/J27.
2. Check continuity between P/J273 
<=> P/J27.
Go to step 13. Replace the 
Right Side 
Harness.
13 Check the Tray 3 Feeder Board signal.
1. Disconnect P/J27 from the MCU 
Board.
2. Are there +24 V across ground <=> 
J27-B4/J27-B5 when the Interlock 
Switch is activated?
Replace the 
Optional 550-
Sheet Feeder 
(page 8-96).
Replace the 
MCU Board 
(page 8-87).
Troubleshooting Procedure Table  (continued)
Step Actions and Questions Yes No