Chapter 8
8-3
8.1.2 Interval Speed Increase Control
0020-8556
imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
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-8-1
F-8-3
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 imageCLASS MF9170c
Page 16: ...Chapter 1 Introduction ...
Page 55: ...Chapter 2 Basic Operation ...
Page 61: ...Chapter 3 Main Controller ...
Page 75: ...Chapter 4 Original Exposure System ...
Page 88: ...Chapter 5 Original Feeding System ...
Page 105: ...Chapter 6 Laser Exposure ...
Page 113: ...Chapter 7 Image Formation ...
Page 150: ...Chapter 8 Pickup and Feed System ...
Page 184: ...Chapter 9 Fixing System ...
Page 200: ...Chapter 10 External and Controls ...
Page 230: ...Chapter 11 Maintenance and Inspection ...
Page 233: ...Chapter 12 Measurement and Adjustments ...
Page 237: ...Chapter 13 Correcting Faulty Images ...
Page 260: ...Chapter 14 Error Code ...
Page 272: ...Chapter 15 Special Management Mode ...
Page 280: ...Chapter 16 Service Mode ...
Page 322: ...Chapter 17 Upgrading ...
Page 327: ...Chapter 17 17 4 3 Click Next F 17 4 4 Select a USB connected device and click Next F 17 5 ...
Page 328: ...Chapter 17 17 5 5 Click Start F 17 6 6 Click Yes F 17 7 Download will be started F 17 8 ...
Page 330: ...Chapter 18 Service Tools ...
Page 334: ...Appendix ...
Page 349: ......