5-16
Phaser 6121MFP Service Manual
Print-Quality Troubleshooting
White or Colored Lines and Bands in Scan Direction
Horizontal lines or bands in the copy indicate problems in the scan direction.
Initial Actions
Perform the initial actions listed on page 5-5.
10
Replace the Fuser
(page 8-9).
Does the problem persist?
Go to step 11.
Complete.
11
Replace the Imaging Unit.
If the problem persists,
replace the toner
cartridges (page 8-20).
If the problem persists,
replace the Laser Unit
(page 8-50).
Troubleshooting Reference Table
Applicable Parts
Example Print
■
Imaging Unit,
PL4.0.13
■
Transfer Roller,
PL7.1.10
■
Fuser, PL11.0.18
■
Laser Unit,
PL4.0.2
■
Power Supply,
PL13.0.17
Troubleshooting Procedure Table (continued)
Step Actions and Questions
Yes
No
Horizontal Band, Void, or Streaks
Chrysanthemum x morifolium
Horizontal Stripes
Chrysanthemum x morifolium
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: ......