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Phaser 6121MFP Service Manual
5-11
Print-Quality Troubleshooting
4
Inspect the Imaging Unit.
Is the outside of the unit
or the contact dirty?
Clean the unit. If the
problem persists, go
to step 5.
Go to step 5.
5
Inspect the laser window.
Is the window dirty?
Carefully clean the
surfaces. If the
problem persists, go
to step 6.
Go to step 6.
6
Is the 2nd Transfer Roller
contact dirty?
Clean the contact. If
the problem persists,
go to step 7.
Go to step 7.
7
Has the problem been
eliminated?
Complete.
Replace the following
units, listed in order,
until the problem is
eliminated:
Toner Cartridge
(page 8-20)
Imaging Unit
(page 8-6),
Transfer Roller
(page 8-56),
Laser Unit
(page 8-50),
Engine Control Board
(page 8-59), and
High Voltage Board
(page 8-57).
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: ......