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Phaser 6128MFP Service Manual
Theory of Operation
Charging
The drum surface is charged with negative electricity by discharging of the bias
charge roller (BCR) while rotating at a constant speed. This process is performed in
parallel for Cyan, Magenta, Yellow, and Black colors.
The BCR is kept in contact with the drum and rotates following the rotations of the
drum. The BCR is a conductive roller, which receives negative voltage from the
High-Voltage Power Supply (HVPS) and discharges a negative Direct Current (DC)
voltage.
The drum surface is uniformly and negatively charged with DC bias voltage. The
drum surface is a photoreceptor (which is an insulator in a dark area and a
conductor when receiving light) and the drum inside is composed of conductor.
The cleaning roller is a sponge that contacts the BCR to catch the toner.
s6128mfp-003
Cleaning Roller
BCR
Photoreceptor
Conductor
Drum
HVPS
Содержание Phaser 6128 MFP
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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 ...
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