3-20 Phaser 3600 Printer Service Manual
Error Messages
Fuser Failure, Engine Fuser Low Heat Error, or Engine Fuser Over Heat Error
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Fuser Assembly, PL1.4.1
■ Switched Mode Power Supply,
PL1.1.29.2
■ Main Board, PL1.1.19
■ “Map 3- SMPS Board” on page 9-6
■ “Main Drive/Joint Board and Optional
Tray Wiring Diagram” on page 9-15
Troubleshooting Procedure Table
Step Action and Questions Yes No
1. Does the error report Fuser
Fail
ure?
Go to Step 2. Go to Step 3.
2. Check the thermistor.
Is the circuit open?
Replace the Fuser
(page 7-54).
Replace the Main
Boar
d
(page 7-39).
3. Check the line voltages across the
thermostats.
A
re they open?
Replace the Fuser
(page 7-54).
Go to Step 4.
4. Is the Fuser getting power? Replace the Fuser
(page 7-54).
Replace the SMPS
(page 7-76).
Replace the Main
Boar
d
(page 7-39).