5-18
Phaser 6128MFP Service Manual
Print-Quality Troubleshooting
Horizontal Band, Voids, or Streaks
There are areas of the image that are extremely light or are missing entirely. These
missing areas form wide bands which cover a wide area horizontally, perpendicular
to the paper feed direction.
Initial Actions
•
Check the paper transfer path.
•
Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Parts
Example Print
■
Laser Unit Kit (PL4.1.99)
■
HVPS Board (PL4.1.19)
■
Imaging Unit (PL4.1.21)
■
Toner Cartridge K (PL5.1.21)
■
Toner Cartridge C (PL5.1.22)
■
Toner Cartridge M (PL5.1.23)
■
Toner Cartridge Y (PL5.1.24)
■
Transfer Belt (PL6.1.7)
■
IP Board (PL10.6.6)
■
MCU Board (PL10.7.7)
Troubleshooting Procedure Table
Step
Actions and Questions
Yes
No
1
Run the Contamination Check test
print:
Service Mode > Test Print >
Contamination Chk
Compare any defects with the Pitch
Chart (page 5-51).
Do any of the horizontal bands
match the chart?
Replace the
corresponding
parts
Go to step 2.
2
Check the paper condition
Is the paper dry and approved for
use?
Go to step 4.
Replace with
dry, approved
paper, then go
to step 3.
3
Is the image printed correctly?
Complete
Go to step 4.
4
Inspect the transfer belt surface.
Is there any damage to the belt?
Replace the
Transfer Belt
(page 8-103).
Go to step 5.
Horizontal Band, Void, or Streaks
Содержание Phaser 6128 MFP
Страница 1: ...Phaser 6128MFP Multi Function Printer Phaser 6128MFP Service Manual ...
Страница 2: ......
Страница 14: ...xii Phaser 6128MFP Service Manual Contents ...
Страница 24: ...xxii Phaser 6128MFP Service Manual ...
Страница 54: ...1 30 Phaser 6128MFP Service Manual General Information ...
Страница 120: ...2 66 Phaser 6128MFP Service Manual Theory of Operation ...
Страница 270: ...3 150 Phaser 6128MFP Service Manual Error Messages and Codes ...
Страница 408: ...5 62 Phaser 6128MFP Service Manual Print Quality Troubleshooting ...
Страница 409: ...6 Chapter Adjustments and Calibrations In this chapter Adjustments Calibrations Parameter Settings ...
Страница 420: ...6 12 Phaser 6128MFP Service Manual Adjustments and Calibrations ...
Страница 421: ...7 Chapter Cleaning and Maintenance In this chapter Service Maintenance Procedure Cleaning Maintenance ...
Страница 424: ...7 4 Phaser 6128MFP Service Manual Cleaning and Maintenance ...
Страница 587: ...A Appendix Reference In this chapter Phaser 6128MFP Menu Map Firmware Update Acronyms and Abbreviations ...
Страница 604: ...I 6 Phaser 6128MFP Service Manual ...
Страница 605: ......