5-20
Phaser 6121MFP Service Manual
Print-Quality Troubleshooting
Gradation Reproduction Failure
The overall image becomes less and less clear with each copy.
Initial Actions
Perform the initial actions listed on page 5-5.
•
Verify the media settings are correct at the Control Panel.
Troubleshooting Reference Table
Applicable Parts
Example Print
■
Laser Unit, PL4.0.2
■
Imaging Unit, PL4.0.13
■
High Voltage Board,
PL13.0.6
■
Toner Cartridge (See
consumables parts list)
Troubleshooting Procedure Table
Step Actions and Questions
Yes
No
1
Print Test Pattern 3
(page 6-32).
Is the error present in only
one color?
Replace the toner
cartridge associated
with the defect. If the
defect persists, go to
step 2.
Go to step 2.
2
Inspect the Imaging Unit.
Is the outside of the unit
dirty?
Clean the unit. If
problem persists, go
to step 3.
Go to step 3.
3
Inspect the laser window.
Is the outside of the
surface dirty?
Carefully clean the
surfaces. If the
problem persists, go
to step 4.
Go to step 4.
s6121mfp-329
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...
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