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5-32
Phaser 6121MFP Service Manual
Print-Quality Troubleshooting
6
Check the document
setting.
Is the document placed
on the document glass
correctly?
Replace the Scanner
(page 8-31).
Reseat the document.
7
Is the paper dry, a
recommended type, and
loaded in the correct
position?
Go to step 8.
Replace the paper
with paper that is
new, dry, and
approved for the
printer, then go to
step 8.
8
Print Test Pattern 3.
Does the defect persist?
Go to step 9.
Complete.
9
Check that the paper tray
paper guides are set
correctly.
Does the defect persist?
Go to step 10.
Complete.
10
Reseat the Imaging Unit.
Does the defect persist?
Go to step 11.
Complete.
11
Inspect the Feed Roller.
Clean (page 7-5) or
replace as necessary.
Does the problem persist?
Go to step 12.
Complete.
12
Replace the Laser Unit
(page 8-50).
Does the problem persist?
Go to step 13.
Complete.
13
Replace the Engine
Control Board
(page 8-59).
Troubleshooting Procedure Table (continued)
Step Actions 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...
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: ......