Chapter 9
9-3
9.1.2 Interval Speed Increase Control
0020-8556
To increase printing speed, the machine increases the speed in an interval which does not affect image formation.
The DC controller increases the process speed four times faster when the paper is fed to the reverse assembly. It also increases the process speed of duplex printing
four times faster at the duplex feed assembly.
T-9-1
F-9-3
SR708: pre-registration sensor
Timing
Single-sided printing
Duplex printing
Timing of increasing the speed
After the trailing edge of the paper passes through the
fixing delivery roller
After the trailing edge of the paper passes through the
fixing delivery roller
Timing of decreasing the speed
After the trailing edge of the paper passes through the
holding roller 2
When the leading edge of the paper reaches the pre-
registration sensor
Duplexing feed assembly
Reverse assembly
Decreasing
the speed
Increasing
the speed
Increasing the speed
SR708
Holding roller 2
Fixing delivery roller
Summary of Contents for iR C1020 Series
Page 1: ...Sep 8 2008 Service Manual iR C1020 Series iR C1021i ...
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Page 6: ......
Page 18: ...Contents ...
Page 19: ...Chapter 1 Introduction ...
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Page 57: ...Chapter 2 Installation ...
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Page 73: ...Chapter 3 Basic Operation ...
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Page 81: ...Chapter 4 Main Controller ...
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Page 97: ...Chapter 5 Original Exposure System ...
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Page 113: ...Chapter 6 Original Feeding System ...
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Page 133: ...Chapter 7 Laser Exposure ...
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Page 143: ...Chapter 8 Image Formation ...
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Page 181: ...Chapter 9 Pickup and Feed System ...
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Page 213: ...Chapter 9 9 29 F 9 79 1 2 3 ...
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Page 215: ...Chapter 10 Fixing System ...
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Page 233: ...Chapter 11 External and Controls ...
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Page 263: ...Chapter 12 e maintenance imageWARE Remote ...
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Page 275: ...Chapter 12 12 9 F 12 27 ...
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Page 281: ...Chapter 13 Maintenance and Inspection ...
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Page 287: ...Chapter 14 Measurement and Adjustments ...
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Page 293: ...Chapter 15 Correcting Faulty Images ...
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Page 317: ...Chapter 16 Error Code ...
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Page 331: ...Chapter 16 16 11 ...
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Page 333: ...Chapter 17 Special Management Mode ...
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Page 343: ...Chapter 17 17 7 ...
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Page 345: ...Chapter 18 Service Mode ...
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Page 389: ...Chapter 19 Upgrading ...
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Page 396: ...Chapter 19 19 4 3 Click Next F 19 4 4 Select a USB connected device and click Next F 19 5 ...
Page 397: ...Chapter 19 19 5 5 Click Start F 19 6 6 Click Yes F 19 7 Download will be started F 19 8 ...
Page 399: ...Chapter 19 19 7 ...
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Page 401: ...Chapter 20 Service Tools ...
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Page 407: ...Sep 8 2008 ...
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