5-10
Phaser 6121MFP Service Manual
Print-Quality Troubleshooting
Light Print
The overall image density is too light.
Initial Actions
Perform the initial actions listed on page 5-5.
Troubleshooting Reference Table
Applicable Parts
Example Print
■
Scanner Unit, PL2.0.4
■
Imaging Unit, PL4.0.13
■
Transfer Roller, PL7.1.10
■
High Voltage Board, PL13.0.6
■
Laser Unit, PL4.0.2
■
Toner Cartridge (See consumables
parts list)
Troubleshooting Procedure Table
Step Actions and Questions
Yes
No
1
Print Test Pattern 3 (see
page 5-7).
Does the defect occur on
the printed output?
Go to step 4.
The problem is
associated with the
scanner system.
Go to step 2.
2
Increase the copy
darkness level using the
control panel adjustment,
and then make another
copy.
Does the defect still
occur?
Go to step 3.
Complete.
3
Reseat all connectors and
cables between the
Scanner Unit and the
Image Processor Board,
and then make another
copy.
Does the defect still
occur?
Replace the Scanner
Unit (page 8-31).
Complete.
Light or Undertone Print
Chrysanthemum x morifolium
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...
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