Phaser 6121MFP Service Manual
3-77
Error Messages and Codes
0300 Laser Motor Failure and 0310 Laser Unit Failure
Possible causes:
•
The Polygon Motor does not rotate evenly even after the lapse of a given
period of time after it has been started.
•
The motor lock signal remains HIGH for a given period of consecutive time
while the Polygon Motor is being rotated.
•
The SOS signal is not detected within a given period of time after the output
of the laser has been started.
Initial Actions
Power down and reboot the printer.
Procedure
4
Check the 2nd Image Transfer
Retraction Position Solenoid for proper
drive coupling and correct as
necessary.
Does the problem persist?
Go to step 5.
Complete.
5
Check the 2nd Image Transfer
Retraction Position Sensor control
signal for a voltage change at P/J12-3
on the Engine Control Board.
Is the signal operating correctly?
Go to step 6.
Replace the
Engine Control
Board
(page 8-59). If
the problem
persists, go to
step 6.
6
Replace the 2nd Image Transfer
Retraction Position Solenoid.
Does the problem persist?
Go to step 7.
Complete.
7
Replace the 2nd Image Transfer
Retraction Position Sensor.
Complete.
Troubleshooting Reference Table
Applicable Parts
Wiring and Plug/Jack References
■
Laser Unit, PL4.0.13
■
Engine Control Board, PL13.0.20
■
Power Supply, PL13.0.17
■
Board Locations (page 2-10)
■
Map 1 - Engine Control Board
Plug/Jack Locator (page 10-5)
■
Engine Control Board Wiring
(page 10-14)
Troubleshooting Procedure Table (continued)
Step Action and Questions
Yes
No
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...
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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...
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