CHAPTER 5 IMAGE FORMATION SYSTEM
COPYRIGHT© 2002 CANON INC.
2000
CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002
5-10
4.4 Correcting the Voltage Level (ATVC control)
To make up for the changes occurring in transfer efficiency caused by changes in the
environment or deterioration of the transfer charging roller, the level of application volt-
age of the transfer bias is controlled automatically during initial rotation and between
sheets.
4.5 Controlling the Output According to Operation Mode
4.5.1 Type of Mode
The transfer charging output has the following mode item, each with different output
levels:
a.Bias for Image Transfer
It is a bias used to transfer toner images from the photosensitive drum to paper, and is
a positive voltage.
b. Cleaning Bias
It is a bias used to return toner from the transfer charging roller to the photosensitive
drum, and is a negative voltage applied during initial rotation and last rotation.
c. Sheet-to-Sheet Bias
It is a bias with a lower level, used to prevent toner from adhering to the transfer
charging roller in no-image area (between sheets) during continuous printing.
Summary of Contents for iR2000 Series
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Page 665: ...COPYRIGHT 2002 CANON INC CANON FAX BOARD REV 0 MAR 2002 CHAPTER 1 INTRODUCTION ...
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Page 671: ...COPYRIGHT 2002 CANON INC CANON FAX BOARD REV 0 MAR 2002 CHAPTER 2 BASIC OPERATION ...
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Page 679: ...COPYRIGHT 2002 CANON INC CANON FAX BOARD REV 0 MAR 2002 CHAPTER 3 TROUBLESHOOTING ...
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