Chapter 7
7-8
7.1.8 ITB Cleaning Block
0013-8470
/ / / / iR C3380i / iR C3380 / iR C2880i / iR C2880
In this block, the ITB is cleaned to prevent image faults that otherwise could occur because of soiling on the ITB.
step 8: ITB cleaning
In this step, the residual toner on the ITB is scraped by the cleaning blade of the ITB cleaning unit. The toner that has been scraped off by the blade is collected in
the waste toner case found at the front left of the machine.
F-7-12
7.1.9 Photosensitive Drum Cleaning Block
0013-8471
/ / / / iR C3380i / iR C3380 / iR C2880i / iR C2880
In this block, the photosensitive drum is both physically and electrostatically cleaned (by removing residual charges) to prevent image faults otherwise caused by
soiling on the photosensitive drum or uneven charges remaining on the surface of the drum.
step 9: photosensitive drum cleaning
In this step, the toner remaining on the surface of the photosensitive drum is scraped off by the cleaning blade. The toner that has been scraped from the drum is
collected in the waste toner case found at the left front of the machine.
F-7-13
step 10: post-exposure
In this step, the laser light from the laser/scanner unit is directed to the surface of the photosensitive drum to free the surface from residual charges in preparation
for the next print job, thus preventing uneven density.
This mechanism is executed for every post rotation at the end of a job.
ITB
IITB cleaning blade
Tension roller
Residual toner
Photosensitive drum
Drum cleaning blade
ITB
Primary transfer roller
Residual toner
Содержание iR C2880 series
Страница 1: ...Aug 29 2006 Service Manual iR C3380 2880 Series ...
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Страница 23: ...Chapter 1 Introduction ...
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Страница 53: ...Chapter 2 Installation ...
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Страница 127: ...Chapter 3 Basic Operation ...
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Страница 137: ...Chapter 4 Main Controller ...
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Страница 161: ...Chapter 5 Original Exposure System ...
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Страница 188: ...Chapter 5 5 24 F 5 68 4 Remove the original sensor 2 hook 1 F 5 69 ...
Страница 189: ...Chapter 6 Laser Exposure ...
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Страница 207: ...Chapter 7 Image Formation ...
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Страница 257: ...Chapter 8 Pickup Feeding System ...
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Страница 303: ...Chapter 9 Fixing System ...
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Страница 321: ...Chapter 10 Externals and Controls ...
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Страница 336: ...Chapter 10 10 10 F 10 10 2 Remove the check mark from SNMP Status Enabled ...
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Страница 359: ...Chapter 11 MEAP ...
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Страница 401: ...Chapter 12 RDS ...
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Страница 411: ...Chapter 13 Maintenance and Inspection ...
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Страница 416: ...Chapter 13 13 2 F 13 1 8 9 1 2 3 3 5 6 7 10 11 12 13 14 4 ...
Страница 421: ...Chapter 14 Standards and Adjustments ...
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Страница 431: ...Chapter 15 Correcting Faulty Images ...
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Страница 459: ...Chapter 16 Self Diagnosis ...
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Страница 481: ...Chapter 17 Service Mode ...
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Страница 571: ...Chapter 18 Upgrading ...
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Страница 603: ...Chapter 19 Service Tools ...
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Страница 605: ...Contents Contents 19 1 Service Tools 19 1 19 1 1 Special Tools 19 1 19 1 2 Solvents and Oils 19 2 ...
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Страница 609: ...Aug 29 2006 ...
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