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Phaser 6121MFP Service Manual
3-73
Error Messages and Codes
004C Exhaust Fan Failure
The Ventilation Fan Motor does not rotate evenly even after the lapse of a given
period of time while it is starting.
Initial Actions
Power down and reboot the printer.
Procedure
Troubleshooting Reference Table
Applicable Parts
Wiring and Plug/Jack References
■
Ventilation Fan Motor, PL7.2.20
■
Engine Control Board, PL13.0.20
■
Power Supply, PL13.0.17
■
Board Locations (page 2-10)
■
Motors, Fans, and Solenoids
(page 2-12)
■
Map 1 - Engine Control Board
Plug/Jack Locator (page 10-5)
■
Engine Control Board Wiring
(page 10-14)
Troubleshooting Procedure Table
Step Action and Questions
Yes
No
1
Check the Engine Control Board
connector P/J16.
Is the connector seated properly?
Go to step 2.
Reseat the
connector. If
the problem
persists, go to
step 2.
2
Check the operation of the Ventilation
Fan Motor.
Is the motor faulty?
Replace the
motor
(page 8-95). If
the problem
persists, go to
step 5.
Go to step 5.
3
On the Engine Control Board, check for
+24 VDC at P/J2-1, 5, and 7. Check for
+5 VDC at P/J2-2.
Are the voltages present and within
specification?
Go to step 4.
Replace the
Power Supply
(page 8-72). If
the problem
persists, go to
step 4.
4
Replace the Engine Control Board
(page 8-59).
Complete.
Summary of Contents for PHASER 6121MFP
Page 1: ...Phaser 6121MFP Multi Function Printer Phaser 6121MFP Service Manual...
Page 2: ......
Page 12: ...x Phaser 6121MFP Service Manual Contents...
Page 22: ...xx Phaser 6121MFP Service Manual...
Page 42: ...1 20 Phaser 6121MFP Service Manual General Information...
Page 106: ...2 64 Phaser 6121MFP Service Manual Theory of Operation...
Page 109: ...Phaser 6121MFP Service Manual 3 3 Error Messages and Codes s6121mfp 372...
Page 194: ...3 88 Phaser 6121MFP Service Manual Error Messages and Codes...
Page 306: ...6 44 Phaser 6121MFP Service Manual Adjustments and Calibrations...
Page 405: ...Phaser 6121MFP Service Manual 8 85 Service Parts Disassembly 3 Remove the spring s6121mfp 255...
Page 432: ...8 112 Phaser 6121MFP Service Manual Service Parts Disassembly...
Page 437: ...Phaser 6121MFP Service Manual 9 5 Parts List...
Page 477: ...Phaser 6121MFP Service Manual 9 45 Parts List...
Page 488: ...9 56 Phaser 6121MFP Service Manual Parts List...
Page 489: ...10 Chapter Wiring In this chapter Plug Jack Designations and Locator Diagrams Wiring Diagrams...
Page 530: ...1 6 Phaser 6121MFP Service Manual Index...
Page 531: ......