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3-78
Phaser 6121MFP Service Manual
Error Messages and Codes
Troubleshooting Procedure Table
Step Action and Questions
Yes
No
1
Check the Engine Control Board
connectors P/J18 and P/J19.
Are the connectors seated properly?
Go to step 2.
Reseat the
connectors. If
the problem
persists, go to
step 2.
2
On the Engine Control Board, check:
■
P/J19-1 for +24V
■
P/J18-10 and -11 for +5V
Are the voltages present?
Go to step 4.
Go to step 3.
3
On the Engine Control Board, check
P/J2-2 for +5 V. Check P/J2-1, -5, and -7
for +24V.
Are the voltages present?
Go to step 4.
Replace the
Power Supply
(page 8-72). If
the problem
persists, go to
step 4.
4
Replace the Laser Unit.
Does the problem persist?
Go to step 3.
Complete.
5
Replace the Engine Control Board.
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: ......